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altera corporation 1 ep220 & ep224 classic eplds may 1995, ver. 1 data sheet a-ds-220/224-01 features n high-performance, low-power erasable programmable logic devices (eplds) with 8 macrocells combinatorial speeds as low as 7.5 ns counter frequencies of up to 100 mhz pipelined data rates of up to 115 mhz maximum 5.5-ns clock-to-output time; minimum 4.5-ns setup time n replacement or upgrade for 16v8/20v8 pal and gal devices n up to 18 inputs (10 dedicated inputs) in ep220, 22 inputs (14 dedicated inputs) in ep224; up to 8 outputs in both ep220 and ep224 n macrocells independently programmable for both registered and combinatorial logic n programmable inversion control supporting active-high or active- low outputs n low power consumption typical i cc = 90 ma at 25 mhz (for -7a speed grades) quarter-power mode (i cc = 40 ma) programmable zero-power mode with typical i cc = 50 m a (for -10a and -12 speed grades) n programmable security bit for total protection of proprietary designs n low output skew for clock driver applications n 100 % generically tested to provide 100 % programming yield n software and programming support from altera and a wide range of third-party tools n available in windowed ceramic and one-time-programmable (otp) plastic packages 20-pin plastic j-lead package (plcc) 20-pin ceramic and plastic dual in-line packages (cerdip and pdip) 24-pin pdip 28-pin plcc general description the eprom-based ep220 and ep224 devices feature a flexible i/o architecture and implement 150 usable (300 available) gates of custom user logic functions. ep220 and ep224 devices can be used as upgrades for high-speed bipolar programmable logic devices (plds) or for 74-series ls and cmos (ssi and msi) logic devices in high-performance microcomputer systems.
2 altera corporation ep220 & ep224 classic eplds compared to bipolar devices of equivalent speed, the ep220 and ep224 offer lower power consumption, faster input-to-non- registered-output delay ( t pd ) in combinatorial mode, and higher counter frequencies in registered applications. this added performance supports faster state machine designs compared to bipolar devices, and provides additional timing margin for existing designs. the ep220 and ep224 are ideal for high-volume manufacturing of high-performance systems. these devices improve performance and decrease system noise, power consumption, and heat generation. functional description figure 1 shows block diagrams of the ep220 and ep224 device architectures. the ep220 has 10 dedicated inputs and 8 i/o pins; the ep224 has 14 dedicated inputs and 8 i/o pins.
altera corporation 3 ep220 & ep224 classic eplds figure 1. ep220 & ep224 block diagram numbers in parentheses refer to the pin-out number. the ep220 and ep224 architecture is based on a sum-of-products, programmable- and /fixed- or structure. each macrocell can be individually programmed for combinatorial or registered output. an inversion option allows each output to be configured for active-high or active-low operation. each i/o pin can be programmed to function as an input, output, or bidirectional pin. the ep220 and ep224 device architecture offers the following features: n macrocells n high-frequency, low-skew global clock ep220 i/o (19) i/o (18) i/o (17) i/o (16) i/o (15) i/o (14) i/o (13) i/o (12) macrocell 1 macrocell 2 macrocell 3 macrocell 4 macrocell 5 macrocell 6 macrocell 7 macrocell 8 global clock global bus (1) (2) (3) (4) (5) (6) (7) (8) (9) (11) input/clk input input input input input input input input input ep224 global bus macrocell 1 macrocell 2 macrocell 3 macrocell 4 macrocell 5 macrocell 6 macrocell 7 macrocell 8 global clock i/o (22) i/o (21) i/o (20) i/o (19) i/o (18) i/o (17) i/o (16) i/o (15) (1) (2) (3) (4) (5) (6) (7) (8) (9) (10) (11) (13) (14) (23) input/clk input input input input input input input input input input input input input
4 altera corporation ep220 & ep224 classic eplds macrocells each macrocell includes a product-term block with 8 and product terms feeding an or gate. one product term is dedicated to the output enable ( oe ) control of the tri-state buffer. the global logic array allows each product term to connect to the true or complement of each input?6 inputs for the ep220, 44 inputs for the ep224?nd i/o feedback signal. see figure 2 . figure 2. ep220 & ep224 macrocell macrocells can be individually configured for registered or combinatorial operation, providing a mixed-mode operation not available in fixed- architecture pal devices. when registered output is selected, feedback from the register to the logic array bypasses the output buffer. when combinatorial output is selected, feedback comes from the i/o pin through the output buffer, and can be used for bidirectional i/o. unlike pal and gal devices, all eight outputs on the ep220 and ep224 allow a combinatorial feedback signal from the i/o pin to feed the logic array. data is clocked into the macrocell? d register on the rising edge of the global clock. feedback select dq clk inversion control programmable register output enable feedback to logic array pin, i/o, and macrocell feedback
altera corporation 5 ep220 & ep224 classic eplds the xor gate can implement active-high or active-low logic, and can use demorgan? inversion to reduce the number of product terms needed to implement a function. if the ep220 and ep224 register outputs do not require an oe signal, the internal product term can hold the output in an enabled state; if a global oe signal is required, any input can be dedicated to the task, and all eight product terms can be programmed accordingly. high-frequency, low-skew global clock ep220 and ep224 devices have extremely low output-pin skew: registered output skew ( t ocr ) is typically less than 300 ps; combinatorial output skew ( t osc ) is typically less than 400 ps. this low output-skew rate makes ep220 and ep224 devices ideal for high-frequency system clock applications, including intel pentium microprocessors, 486-based pcs, and pci bus designs. pld compatibility the ep220 and ep224 devices are a logical superset of most high-speed, 24-pin pal/gal devices. industry-standard jedec files from compatible devices can be programmed into ep220 or ep224 devices. table 1 summarizes some of the devices that can be replaced or upgraded with ep220 and ep224 devices. table 1. ep220- and ep224-compatible devices (part 1 of 4) pal/gal vendor pal/gal device altera replacement device speed grade advanced micro devices pal16l8 ep220-7 -7 pal16r8 palce16v8 pal20l8 ep224-7 pal20r8 palce20v8 pal16l8 ep220-10 -10 pal16r8 palce16v8 pal20l8 ep224-10 pal20r8 palce20v8
6 altera corporation ep220 & ep224 classic eplds advanced micro devices (continued) pal16l8d ep220-10a -10a pal16r8d pal16r8-7 palce16v8 pal20l8-10 ep224-10a pal20r8-10 pal20r8-7 palce20v8 pal16l8 ep220-12 -12 pal16r8 palce16v8 pal20l8 ep224-12 pal20r8 palce20v8 lattice semiconductor corp. gal16v8b ep220-7 -7 gal20v8b ep224-7 gal16v8a ep220-10 -10 gal16v8b gal20v8a ep224-10 gal20v8b national semiconductor pal16l8 ep220-7 -7 pal16r8 pal16l8 ep220-10 -10 pal16r8 gal16v8a pal20l8 ep224-10 pal20r8 gal20v8a pal16l8d ep220-10a -10a pal16r8d gal16v8a pal20l8d ep224-10a pal20r8d gal20v8a table 1. ep220- and ep224-compatible devices (part 2 of 4) pal/gal vendor pal/gal device altera replacement device speed grade
altera corporation 7 ep220 & ep224 classic eplds national semiconductor (continued) pal16l8 ep220-12 -12 pal16r8 gal16v8a pal20l8 ep224-12 pal20r8 gal20v8a philips semiconductor plus16l8 ep220-7 -7 plus16r8 plus20l8 ep224-7 plus20r8 plus16l8 ep220-10 -10 plus16r8 plus20l8 ep224-10 plus20r8 plus16l8d ep220-10a -10a plus16r8d plus16r8-7 plus20l8-10 ep224-10a plus20r8-10 plus20r8-7 plus16l8 ep220-12 -12 plus16r8 plus20l8 ep224-12 plus20r8- texas instruments, inc. tibpal16l8 ep220-7 -7 tibpal20l8 ep224-7 tibpal16l8 ep220-10 -10 tibpal20l8 ep224-10 tibpal16l8-10 ep220-10a -10a tibpal16r8-10 tibpal16r8-7 tibpal20l8-10 ep224-10a tibpal20r8-10 tibpal20r8-7 table 1. ep220- and ep224-compatible devices (part 3 of 4) pal/gal vendor pal/gal device altera replacement device speed grade
8 altera corporation ep220 & ep224 classic eplds power-on characteristics the ep220 and ep224 inputs and outputs respond a maximum of 1 m s after v cc power-up (v cc = 4.75 v), or after a power-loss/power-up sequence. all macrocells that are programmed as registers are set to a logic low on power-up. design security ep220 and ep224 devices contain a programmable security bit that controls access to the data programmed into the device. when this bit is turned on, a proprietary design implemented in the device cannot be copied or retrieved. this feature provides a high level of design security, because programmed data within eprom cells is invisible. the security bit that controls this function, as well as all other program data, is reset when a device is erased. turbo bit the -10a and -12 speed grades of the ep220 and ep224 devices contain a programmable turbo bit to control the automatic power-down feature that enables the low-standby-power mode (i cc ). when the turbo bit is turned on, the low-standby-power mode is disabled. all ac values are tested with the turbo bit turned on. when the device is operating with the turbo bit turned off (non-turbo mode), a non-turbo adder must be added to the appropriate ac parameter to determine worst-case timing. the non-turbo adder is specified in the ?c operating conditions tables in this data sheet. generic testing ep220 and ep224 devices are fully functionally tested and guaranteed. complete testing of each programmable eprom configuration element and all internal logic elements ensures 100 % programming yield. figure 3 shows ac test conditions. texas instruments, inc. (continued) tibpal16l8 ep220-12 -12 tibpal16r6 tibpal16r8 tibpal20l8 ep224-12 tibpal20r6 tibpal20r8 table 1. ep220- and ep224-compatible devices (part 4 of 4) pal/gal vendor pal/gal device altera replacement device speed grade
altera corporation 9 ep220 & ep224 classic eplds figure 3. ep220 & ep224 ac test circuits test programs are used and then erased during the early stages of the device production flow. eprom-based devices in one-time- programmable, windowless packages also contain on-board logic test circuitry to allow verification of function and ac specifications during the production flow. software & programming support the ep220 is supported by the altera max+plus ii development software, altera programming hardware, and third-party hardware. both the ep220 and ep224 are supported by the altera pldshell plus design software, third-party logic compilers (e.g., abel, cupl, pldesigner, log/ic, and ipls ii), and third-party programming hardware (e.g., data i/o). f for more information on software support with pldshell plus, go to the pldshell plus/pldasm user? guide (available from the altera literature department). for more information on max+plus ii, go to the max+plus ii programmable logic development system & software data sheet in the altera 1995 data book , or refer to max+plus ii help. go to the programming hardware data sheet and the programming hardware manufacturers data sheet in the altera 1995 data book for information on altera and third-party programming hardware support. power-supply transients can affect ac measurements. simultaneous transitions of multiple outputs should be avoided for accurate measurement. threshold tests must not be performed under ac conditions. large-amplitude, fast ground- current transients normally occur as the device outputs discharge the load capacitances. when these transients ?w through the parasitic inductance between the device ground pin and the test-system ground, signi?ant reductions in observable noise immunity can result. numbers in parentheses are for the ep224 device. vcc c1 (includes jig capacitance) 165 w (330 w ) device output 120 w (200 w ) to test system
10 altera corporation ep220 & ep224 classic eplds figure 4 shows the typical supply current (i cc ) versus frequency for ep220 and ep224 devices. figure 4. ep220 & ep224 i cc vs. frequency figure 5 shows the output drive characteristics of ep220 and ep224 i/o pins. figure 5. ep220 & ep224 output drive characteristics frequency (mhz) i cc active (ma) typ. 20 40 60 80 100 10 40 100 70 -7a speed grade non-turbo v cc = 5.0 v t a = 25 c turbo -10a and -12 speed grades v o output voltage (v) 1 2 3 4 5 i ol i oh v cc = 5.0 v t a = 25 c 100 80 i o output current (ma) 60 20 40
altera corporation 11 ep220 & ep224 classic eplds absolute maximum ratings note (1) recommended operating conditions dc operating conditions note (5) capacitance notes (5) , (8) symbol parameter conditions min max unit v cc supply voltage note (2) ?.0 7.0 v v i dc input voltage notes (2) , (3) ?.5 v cc + 0.5 v t stg storage temperature ?5 150 c t amb ambient temperature note (4) ?0 85 c symbol parameter conditions min max unit v cc supply voltage 5.0-v operation 4.75 5.25 v v in input voltage 0v cc v v o output voltage 0v cc v t a operating temperature for commercial use 0 70 c t a operating temperature for industrial use ?0 85 c t r input rise time 500 ns t f input fall time 500 ns symbol parameter conditions min max unit v ih high-level input voltage note (6) 2.0 v cc + 0.3 v v il low-level input voltage note (6) ?.3 0.8 v v oh high-level ttl output voltage i oh = ?.0 ma dc, v cc = min. 2.4 v v ol low-level output voltage -7a, -7, -10: i ol = 24 ma dc, v cc = min. -10a, -12: i ol = 12 ma dc, v cc = min. 0.45 v i i input leakage current v cc = max., gnd < v in < v cc ?0 10 m a i oz tri-state output leakage current v cc = max., gnd < v out < v cc ?0 10 m a i sc output short-circuit current v cc = max., v out = 0.5 v, note (7) ?0 120 ma symbol parameter conditions min max unit c in input capacitance v in = 0 v, f = 1.0 mhz 6 pf c out i/o capacitance v out = 0 v, f = 1.0 mhz 8 pf c clk clock pin capacitance v out = 0 v, f = 1.0 mhz 8 pf c vpp v pp pin capacitance v pp on pin 11 (ep220) and pin 13 (ep224), f = 1.0 mhz 10 pf
12 altera corporation ep220 & ep224 classic eplds i cc supply current: ep220-7a & ep224-7a note (5) i cc supply current: ep220-10a, ep224-10a, ep220-12 & ep224-12 note (5) i cc supply current: ep220-7, ep224-7, ep220-10 & ep224-10 note (5) notes to tables: (1) see operating requirements for altera devices in the altera 1995 data book . (2) voltage with respect to ground. (3) minimum dc input is ?.5 v. during transitions, the inputs may undershoot to ?.0 v or overshoot to 7.0 v for periods less than 20 ns under no-load conditions. (4) under bias. extended temperature versions are also available. (5) operating conditions: t a = 0 c to 70 c, v cc = 5.0 v 5 % for commercial use. t a = ?0 c to 85 c, v cc = 5.0 v 10 % for industrial use. (6) absolute values with respect to device gnd; all over- and undershoots due to system or tester noise are included. (7) for -7a, -10a, -12 speed grades for ep220 and ep224 devices: maximum dc i ol (all 8 outputs) = 64 ma. for -7, -10 speed grades for ep220 and ep224 devices: test 1 output at a time; test duration should not exceed 1 s. (8) these values are measured during initial characterization. v cc = max., v in = v cc or gnd. (9) measured with a device programmed as an 8-bit counter. (10) when the turbo bit is not set (non-turbo mode), an ep220 or ep224 device enters standby mode if no logic transitions occur for approximately 75 ns after the last transition. symbol parameter conditions min max unit i cc3 v cc supply current f in = 25 mhz, note (9) 90 ma f in = 100 mhz, note (9) 115 ma symbol parameter conditions min max unit i cc1 v cc supply current (non-turbo) standby mode, note (9) 500 m a i cc2 v cc supply current (non-turbo) v cc = max., v in = v cc or gnd, no load, f in = 1 mhz, notes (9) , (10) 5ma i cc3 v cc supply current (turbo, active) f in = 15 mhz, note (9) 50 ma f in = 80 mhz, note (9) 60 ma symbol parameter conditions min max unit i cc1 v cc supply current (standby) f in = 25 mhz, note (9) 90 m a f in = 74 mhz, note (9) 105 ma i cc3 v cc supply current (active) f in = 25 mhz, note (9) 115 ma f in = 74 mhz, note (9) 135 ma
altera corporation 13 ep220 & ep224 classic eplds ac operating conditions: -7a, -10a, & -12 speed grades note (1) notes to tables: (1) operating conditions: v cc = 5 v 5 % , t a = 0 c to 70 c for commercial use. v cc = 5 v 5 % , t a = ?0 c to 85 c for industrial use. (2) if the device enters standby mode and remains inactive for approximately 75 ns, increase the time by the amount shown. for ep220-10a, ep220-12, and ep224-10a, ep224-12 devices only. (3) measured with all outputs switching. (4) the t pzx and t pxz parameters are measured at 0.5 v from steady-state voltage that is driven by the specified output load. the t pxz parameter is measured with c l = 5 pf and with all eight outputs switching. combinatorial mode ep220-7a ep224-7a ep220-10a ep224-10a ep220-12 ep224-12 non-turbo adder symbol parameter min max min max min max note (2) units t pd1 input to non-registered output, note (3) 7.5 10 12 20 ns t pd2 i/o to non-registered output, note (3) 7.5 10 12 20 ns t pzx input or i/o to output enable, note (4) 9121220ns t pxz input or i/o to output disable, note (4) 9101220ns t osr register-mode output to output skew 300 - - - ps t osc combinatorial-mode output to output skew 400 - - - ps synchronous clock mode ep220-7a ep224-7a ep220-10a ep224-10a ep220-12 ep224-12 non-turbo adder symbol parameter min max min max min max note (2) units f max maximum frequency (pipelined), no feedback, note (3) 115 111 90.9 - mhz f cnt1 maximum counter frequency, external feedback, note (3) 100 80 66 - mhz f cnt2 maximum counter frequency, internal feedback, note (3) 115 100 83.3 - mhz t su1 input or i/o setup time to global clock 4.5 7 9 20 ns t h input or i/o hold time from global clock 0 0 0 0 ns t co1 global clock to output delay, note (3) 5.5 5.5 6 0 ns t co2 global clock to output delay through combinatorial macrocell 10 13 15 20 ns t cnt minimum global clock period, note (3) 10 10 12 20 ns t cl clock low time 4 4 5 0 ns t ch clock high time 4 4 5 0 ns t cp clock period 10 9 11 0 ns
14 altera corporation ep220 & ep224 classic eplds ac operating conditions: -7 & -10 speed grades note (1) notes to tables: (1) operating conditions: v cc = 5 v 5 % , t a = 0 c to 70 c for commercial use. (2) measured with three i/o outputs switching. (3) the t pzx and t pxz parameters are measured at 0.5 v from steady-state voltage that is driven by the specified output load. the t pxz parameter is measured with c l = 5 pf and with all eight outputs switching. combinatorial mode ep220-7 ep224-7 ep220-10 ep224-10 symbol parameter min max min max units t pd1 input or i/o to non-registered output, inversion on, note (2) 7.5 10 ns t pd2 input or i/o to non-registered output, inversion off, note (2) 8.5 10 ns t pzx input or i/o to output enable, note (3) 910ns t pxz input or i/o to output disable, note (3) 910ns t osr register mode output-to-output skew 300 300 ps t osc combinatorial mode output-to-output skew 400 400 ps synchronous clock mode ep220-7 ep224-7 ep220-10 ep224-10 symbol parameter min max min max units f max maximum frequency (pipelined), no feedback, note (2) 100 62.5 mhz f cnt1 maximum counter frequency, external feedback, note (2) 74 58.8 mhz f cnt2 maximum counter frequency, internal feedback, note (2) 100 60.6 mhz t su1 input or i/o setup time to global clock 7 10 ns t h input or i/o hold time from global clock 0 0 ns t co1 global clock to output delay, note (2) 6.5 7 ns t co2 global clock to output delay through combinatorial macrocell 11 13 ns t cnt minimum global clock period, note (2) 10 16.5 ns t cl clock low time 4 7 ns t ch clock high time 4 7 ns t cp clock period 10 16 ns
altera corporation 15 ep220 & ep224 classic eplds figure 6 shows the package pin-outs for ep220 and ep224 devices. figure 6. ep220 & ep224 package pin-outs package outlines not drawn to scale. windows in ceramic packages only. package outlines refer to ?ltera device package outlines in the altera 1995 data book for detailed information on package outlines. 20-pin dip input/clk input input input input input input input input gnd vcc i/o i/o i/o i/o i/o i/o i/o i/o input 1 2 3 4 5 6 7 8 9 10 20 19 18 17 16 15 14 13 12 11 ep220 20-pin j-lead input input input/clk vcc i/o 3 2 1 20 19 input gnd input i/o i/o 9 10 11 12 13 18 17 16 15 14 i/o i/o i/o i/o i/o input input input input input 4 5 6 7 8 ep220 24-pin dip input/clk input input input input input input input input input input gnd vcc input i/o i/o i/o i/o i/o i/o i/o i/o input input 1 2 3 4 5 6 7 8 9 10 11 12 24 23 22 21 20 19 18 17 16 15 14 13 ep224 28-pin j-lead i/o i/o i/o nc i/o i/o i/o input input input/clk vcc/nc vcc input i/o input input input nc input input input input input gnd nc input input i/o 5 6 7 8 9 10 11 4 3 2 1 28 27 26 12 13 14 15 16 17 18 25 24 23 22 21 20 19 ep224
altera, max, max+plus, and flex are registered trademarks of altera corporation. the following are trademarks of altera corporation: max+plus ii, ahdl, and flex 10k. altera acknowledges the trademarks of other organizations for their respective products or services mentioned in this document, specifically: verilog and verilog-xl are registered trademarks of cadence design systems, inc. mentor graphics is a registered trademark of mentor graphics corporation. synopsys is a registered trademark of synopsys, inc. viewlogic is a registered trademark of viewlogic systems, inc. altera products are protected under numerous u.s. and foreign patents and pending applications, maskwork rights, and copyrights. altera warrants performance of its semiconductor products to current specifications in accordance with altera? standard warranty, but reserves the right to make changes to any products and services at any time without notice. altera assumes no responsibility or liability arising out of the application or use of any information, product, or service described herein except as expressly agreed to in writing by altera corporation. altera customers are advised to obtain the latest version of device specifications before relying on any published information and before placing orders for products or services. copyright 1996 altera corporation. all rights reserved. 2610 orchard parkway san jose, ca 95134-2020 (408) 894-7000 a pplications hotline: (800) 800-epld customer marketing: (408) 894-7104 literature services: (408) 894-7144 ep220 & ep224 classic eplds 16 altera corporation printed on recycled paper. product availability table 2 summarizes the availability of ep220 and ep224 devices. altera will accept intel ordering codes for intel devices until june 30, 1995. after that date, only altera ordering codes will be accepted. table 2. ep220 & ep224 availability device temperature grade speed grade package altera ordering code intel ordering code ep220 commercial temperature (0 c to 70 c) -10a -7 -10 -10a -12 -7a -10a -12 -7 -10 20-pin cerdip 20-pin pdip 20-pin pdip 20-pin pdip 20-pin pdip 20-pin plcc 20-pin plcc 20-pin plcc 20-pin plcc 20-pin plcc ep220dc-10a ep220pc-7 ep220pc-10 EP220PC-10A ep220pc-12 ep220lc-7a ep220lc-10a ep220lc-12 ep220lc-7 ep220lc-10 d85c220-80 p85c220-7 p85c220-10 p85c220-80 p85c220-66 n85c220-100 n85c220-80 n85c220-66 n85c220-7 n85c220-10 industrial temperature (?0 c to 85 c) -12 20-pin plcc ep220li-12 tn85c220-66 ep224 commercial temperature (0 cto 70 c) -7 -10 -10a -12 -7a -10a -12 -7 -10 24-pin pdip 24-pin pdip 24-pin pdip 24-pin pdip 28-pin plcc 28-pin plcc 28-pin plcc 28-pin plcc 28-pin plcc ep224pc-7 ep224pc-10 ep224pc-10a ep224pc-12 ep224lc-7a ep224lc-10a ep224lc-12 ep224lc-7 ep224lc-10 p85c224-7 p85c224-10 p85c224-80 p85c224-66 n85c224-100 n85c224-80 n85c224-66 n85c224-7 n85c224-10

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