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march 2007 rev 1 1/17 17 ST6G3238BE dual supply level translator for sd/ minisd/ t-flash with 8kv contact di scharge esd protection features high speed: t pd = 4.4ns (typ.) at t a = 85c v ccb = 2.7v v cca = 1.8v low power dissipation: i cca = i ccb = 5a (max.) at t a = 85c balanced propagation delays: t plh t phl power down protection on inputs and outputs 26 ? series resistor on a-side emi filter on b side integrated pull-up and pull-down resistor on b side operating voltage range: ?v cca (opr) = 1.4v to v ccb ?v ccb (opr) = 1.4v to 3.6v latch-up performance exceeds 500ma (jesd17) esd protection for card side (b port, cd and wp pins) 8kv, iec 61000-4-2 esd or contact discharge: hbm > 15kv (mil std 883 method 3015); esd protection for a-port: hbm > 2kv (mil std 883 method 3015); r o hs compliant for tfbga25 package description the ST6G3238BE is a dual supply low voltage cmos level translator for sd/ minisd/ t-flash fabricated with sub-micron silicon gate and five- layer metal wiring c 2 mos technology. designed for use as an interface between a 3.3v bus and a 2.5v or 1.8v bus in a mixed 3.3v/1.8v, 3.3v/2.5v and 2.5v/1.8v supply systems, it achieves high speed operation while ma intaining the cmos low power dissipation. the a port is designed to track v cca . the b port is designed to track v ccb . this device is intended for two-way asynchronous communication between data buses and the direction of data transmission is determined by cmd-dir/ data0-dir/ dat123-dir inputs. the b- port interfaces with the 3v bus, the a-port with the 2.5v and 1.8v bus. all inputs are equipped with protection circuits against static discharge, giving them 2kv (on a- side except cd and wp pins) and 15kv on (b side, cd and wp pins) esd immunity and transient excess voltage. see the section on integrated esd protections and resistors for more information. tfbga25 www.st.com order code part number package packaging ST6G3238BE tfbga25 tube ST6G3238BEtbr tfbga25 tape and reel
contents ST6G3238BE 2/17 contents 1 logic diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 2 pin connection and function . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 2.1 pin function . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 3 summary description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 4 maximum rating . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 5 dc and ac parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 6 i/o and test circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 7 waveforms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 8 package mechanical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13 9 revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
ST6G3238BE logic diagram 3/17 1 logic diagram figure 1. block diagram table 1. integrated esd protection and resistor on b-side resistors value bi-directional zener diodes r1, r2, r3, r4, r5, r6 40 ? vbr min. 14v @ 1ma r0 25 ? line capacitance < 20 pf to l e r a n c e 2 0 % r10, r11, r12 70k ? r9 15k ? r7 470k ? to l e r a n c e 3 0 % table 2. integrated pull-up resistors on wp and cd pins on a-side resistors value r13 100k ? r14 100k ? tolerance 30% a-side v ccb b-side r1 r2 gnd wp cd r13 r14 v cca gnd clk dat0 dat1 dat2 dat3 cmd dat123-dir dat1.h dat2.h dat3.h clk.h clk-f data0-dir dat0.h cmd-dir cmd.h r7 r12 r11 r10 r9 r8 r3 r4 r5 r6 r0 r0 r0 r0 r0 r0 a-side v ccb b-side r1 r2 gnd wp cd r13 r14 v cca gnd clk dat0 dat1 dat2 dat3 cmd dat123-dir dat1.h dat2.h dat3.h clk.h clk-f data0-dir dat0.h cmd-dir cmd.h r7 r12 r11 r10 r9 r8 r3 r4 r5 r6 r0 a-side v ccb b-side r1 r2 gnd wp cd r13 r14 v cca wp cd r13 r14 v cca wp cd r13 r14 v cca wp cd wp cd r13 r13 r13 r14 r14 r14 v cca gnd clk dat0 dat1 dat2 dat3 cmd gnd clk dat0 dat1 dat2 dat3 cmd clk dat0 dat1 dat2 dat3 cmd dat123-dir dat1.h dat2.h dat3.h clk.h clk-f data0-dir dat0.h cmd-dir cmd.h dat123-dir dat1.h dat2.h dat3.h clk.h clk-f data0-dir dat0.h cmd-dir cmd.h r7 r7 r12 r11 r10 r9 r8 r12 r12 r11 r11 r10 r10 r9 r9 r8 r8 r3 r4 r5 r6 r0 r0 r0 r0 r0 r0 r0 r0 r0 r0 r0 r0 r0 r0 r0 r0
pin connection and function ST6G3238BE 4/17 2 pin connection and function figure 2. pin connection (top through view for tfbga) 1 2 3 4 5 a b c d e 1 2 3 4 5 6 7 8 9 10 11 12 dat0-di r v cca cmd-di r cmd.h dat0.h dat1.h dat2.h dat3.h cl k - f clk.h gnd nc tfbga25 tfbga25 1 2 3 4 5 a dat2.h cmd- dir dat0. dir nc dat2 b dat3.h nc v cca v ccb dat3 c clk.h nc gnd gnd clk d dat0.h cmd.h cd cmd dat0 e dat1.h clk-f dat12 3-dir wp dat1
ST6G3238BE pin connection and function 5/17 2.1 pin function cmd, command is a bi-directional line. the host and card drivers are operating in push- pull. dat0-3, data lines are bi-directional lines. the host and the card drivers are operating in push-pull mode. clk, clock is a host to card signal. clk operates in push-pull mode. feedback (return) clock is feedback clock sign al from level shifter to host for controlling delays. cd, card detect, pulls high state of input to v cca . this pin is protected against esd up to 8kv contact. wp, write protect, pulls high state of input to v cca . this pin is protected against esd up to 8kv contact. table 3. pin description tfbga pin n type side symbol name and function a2 i a-side cmd-dir command direction high = a to b low = b to a d2 i/o a-side cmd.h a-side command d4 i/o b-side cmd b-side command a3 i a-side dat0-dir data direction high = a to b (write) low = b to a (read) d1 i/o a-side dat0.h data input / output d5 i/o b-side dat0 data input / output e3 i a-side dat123-dir data direction high = a to b (write) low = b to a (read) e1 i/o a-side dat1.h data input / output a1 i/o a-side dat2.h data input / output b1 i/o a-side dat3.h data input / output e5 i/o b-side dat1 data input / output a5 i/o b-side dat2 data input / output b5 i/o b-side dat3 data input / output c1 i a-side clk.h clock input c5 o b-side clk clock output e2 o a-side clk-f clock feedback d3 - a-side cd card detect e4 - a-side wp write protect b3 - a-side v cca power supply b4 - b-side v ccb power supply c3, c4 - - gnd ground (0v) a4, b2, c2 - - nc no connect
summary description ST6G3238BE 6/17 3 summary description note: x = don't care; z = high impedance table 4. truth table function output cmd-dir dat0-dir dat123-dir cmd.h cmd dat0.h dat0 dat1.h dat2.h dat3.h dat1 dat2 dat3 hx xinputoutputxxxxb = a lx xoutputinputxxxxa = b x h x x x input output x x b = a x l x x x output input x x a = b xx h xxxxinputoutputb = a xx l xxxxoutputinputa = b
ST6G3238BE maximum rating 7/17 4 maximum rating stressing the device above the rating listed in the ?absolute maximum ratings? table may cause permanent damage to the device. these are stress ratings only and operation of the device at these or any other conditions above th ose indicated in the operating sections of this specification is not implied. exposure to absolute maximum rating conditions for extended periods may affect device relia bility. refer also to the stmi croelectronics sure program and other relevant quality documents. table 6. recommended operating conditions table 5. absolute maximum ratings symbol parameter value unit v cca supply voltage -0.5 to 4.6 v v ccb supply voltage -0.5 to 4.6 v v i dc input voltage -0.5 to 4.6 v v i/oa dc i/o voltage (output disabled) -0.5 to 4.6 v v i/ob dc i/o voltage (output disabled) -0.5 to 4.6 v v i/oa dc output voltage -0.5 to v cca + 0.5 v v i/ob dc output voltage -0.5 to v ccb + 0.5 v i ik dc input diode current -20 ma i ok dc output diode current -50 ma i oa dc output current 50 ma i ob dc output current 50 ma i cca dc v cc or ground current 100 ma i ccb dc v cc or ground current 100 ma p d power dissipation 400 mw t stg storage temperature -65 to +150 c t l lead temperature (10 sec) 260 c symbol parameter value unit v cca supply voltage 1.4 to v ccb v v ccb supply voltage 1.4 to 3.6 v v i input voltage (cmd-dir/dat0-dir/dat123-dir) 0 to v cca v v i/oa i/o voltage 0 to v cca v v i/ob i/o voltage 0 to v ccb v t op operating temperature -40 to +85 c dt/dv input rise and fall time (1) 1. v in from 0.8v to 2.0v at v cc = 3.0v 0 to 10 ns/v
dc and ac parameters ST6G3238BE 8/17 5 dc and ac parameters table 7. dc specification symbol parameter test conditions value unit v cca (v) v ccb (v) t a = 25c -40 to 85c min. max. min. max. v ih (a port) high level input voltage 1.4-1.95 v cca to 3.6 0.65v cca 0.65v cca v 1.95-2.7 1.7 1.7 2.7-3.6 2.0 2.0 v il (a port) low level input voltage 1.4-1.95 v cca to 3.6 0.35v cca 0.35v cca v 1.95-2.7 0.7 0.7 2.7-3.6 0.8 0.8 v ih (b port) high level input voltage 1.4 to v ccb 1.4-1.95 0.65v ccb 0.65v ccb v 1.95-2.7 1.7 1.7 2.7-3.6 2.0 2.0 v il (b port) low level input voltage 1.4 to v ccb 1.4-1.95 0.35v ccb 0.35v ccb v 1.95-2.7 0.7 0.7 2.7-3.6 0.8 0.8 v oh (a port) high level output voltage 1.4-3.6 1.4-3.6 i oh = -100a v cca -0.1 v cca -0.1 v 1.4 1.4 i oh = -1 ma 1.20 1.20 1.65 1.65 i oh = -2 ma 1.40 1.40 2.3 2.3 i oh = -4 ma 1.90 1.90 33 i oh = -8 ma 2.45 2.45 v ol (a port) low level output voltage 1.4-3.6 1.4-3.6 i ol = 100a 0.10 0.10 v 1.4 1.4 i ol = 1 ma 0.20 0.20 1.65 1.65 i ol = 2 ma 0.25 0.25 2.3 2.3 i ol = 4 ma 0.40 0.40 33 i ol = 8 ma 0.55 0.55 v oh (b port) high level output voltage 1.4-3.6 1.4-3.6 i oh = -100a v cca -0.2 v cca -0.2 v 1.4 1.4 i oh = -1 ma 1.05 1.05 1.65 1.65 i oh = -4 ma 1.20 1.20 2.3 2.3 i oh = -6 ma 1.75 1.75 33 i oh = -8 ma 2.30 2.30 note: all a-port i/os and control inputs are powered by v cca . all b-port i/os are powered by v ccb .
ST6G3238BE dc and ac parameters 9/17 symbol parameter test conditions value unit v cca (v) v ccb (v) t a = 25c -40 to 85c min. max. min. max. v ol (b port) low level output voltage 1.4-3.6 1.4-3.6 i ol = 100a 0.20 0.20 v 1.4 1.4 i ol = 1 ma 0.35 0.35 1.65 1.65 i ol = 4 ma 0.45 0.45 2.3 2.3 i ol = 6 ma 0.55 0.55 33 i ol = 8 ma 0.70 0.70 i ia input leakage current for a- side 1.8 2.9 v ia =v cc or gnd dir=high v cd =v wp =v cca 0.5 5 a i ib input leakage current for b- side 1.8 2.9 v clk.h =v cca v cmd = v ccb v dat0,dat1,d at 2 =v ccb v dat3 =gnd dir=low v cd =v wp =v cca 0.5 5 a i cca quiescent supply current for a-side 1.4 1.4 - 3.6 v ia =v cca or gnd v cd = v wp = v cca dir = a to b 0.5 5 a 1.4 - 3.6 0 1.4 - 3.6 3.6 i ccb quiescent supply current for b-side 1.4 1.4 - 3.6 v clk.h =v cca or gnd v ib =open dir = b to a v cd = v wp = v cca 0.5 5 a 1.4 - 3.6 3.6 i wp wp pin input leakage current 1.8 3.0 v ia =v cca or gnd dir=high v wp =gnd 36 a i cd cd pin input leakage current 1.8 3.0 v ia =v cca or gnd dir=high v cd =gnd 36 a table 7. dc specification (continued)
dc and ac parameters ST6G3238BE 10/17 table 8. ac electrical characteristics (f = 1mhz, 50% duty cycle, c l = 30pf, r l = 500 ? ) note: v ia = input i/os including clk.h, cmd.h, dat0.h, dat1.h, dat2.h, dat3.h v ib = input i/os including cmd, dat0, dat1, dat2, dat3 symbol parameter test condition t a = -40 to 85 c unit v cca = 1.8 0.15v v cca =1.8 0.15v v cca =2.5 0.2v v ccb =2.5 0.2v v ccb =2.7 0.3v v ccb =2.7 0.3v min. max. min. max. min. max. t plh t phl propagation delay time an to bn 1.0 7.2 1.0 6.6 1.0 6.1 ns t plh t phl propagation delay time bn to an 1.0 5.8 1.0 5.4 1.0 4.8 t oslh t oshl output to output skew time (1)(2) 1. skew is defined as the absolute value of the difference bet ween the actual propagation delay for any two outputs of the same device switching in the same direction, either high or low ( t oslh = | t plhm = t plhn |, t oshl = | t phlm ? t phln | ) 2. parameter guaranteed by design. 0.5 0.5 0.5 ns t cdlh t cdhl clock and data skew time 0.5 0.5 0.5 ns f max clock from a to b 52 52 52 mhz from b to a 52 52 52 data from a to b 52 52 52 mbps from b to a 52 52 52 table 9. output slew rate (f = 1mhz, 50% duty cycle, cl=30pf, rl=500 ? ) symbol parameter from to test condition t a = -40 to 85 c unit v cca = 1.8v 0.15v v ccb = 3v 0.3v min. max. t r rise time 20% 80% 3 ns t f fall time 80% 20% 3 ns table 10. capacitance characteristics symbol parameter test condition value unit v ccb (v) v cca (v) t a = 25 c -40 to 85 c min. typ. max. min. max. c inb input capacitance open open 9 pf c i/oa input/output capacitance for a-side 3.3 2.5 17 pf c i/ob input/output capacitance for b-side 3.3 2.5 33 pf c pd (1) 1. c pd is defined as the value of the ic's internal equivalent capacitance which is calculat ed from the operating current consumption without load. (refer to test circuit). average current can be obtained by the following equation. i cc (opr) - c pd x v cc x f in + i cc /16 (per circuit) power dissipation capacitance 3.3 2.5 f = 10mhz 29 pf 3.3 1.8 29
ST6G3238BE i/o and test circuit 11/17 6 i/o and test circuit figure 3. input and output equivalent circuit figure 4. test cicuit table 11. test values test switch t plh , t phl open t pz l, t plz (v cc = 3.0 to 3.6v) 6v t pzl , t plz (v cc = 2.3 to 2.7v or v cc = 1.6 to 1.95v) 2v cc t pzh , t phz gnd
waveforms ST6G3238BE 12/17 7 waveforms note: c l = 30pf or equivalent (includes jig and probe capacitance) r l = r1 = 500 ? or equivalent r t = z out of pulse generator (typically 50 ? ) figure 5. waveform - propagation delay (f = 1 mhz, 50% duty cycle) table 12. waveform symbol value symbol v cc 3.0 to 3.6v 2.3 to 2.7v 1.65 to 1.95v v ih v cc v cc v cc v m 1.5v v cc /2 v cc /2 v x v ol +0.3v v ol +0.15v v ol +0.15v v y v ol -0.3v v ol -0.15v v ol -0.15v
ST6G3238BE package mechanical data 13/17 8 package mechanical data in order to meet environmental requirements, st offers these devices in ecopack ? packages. these packages have a lead-free second level interconnect. the category of second level interconnect is marked on the package and on the inner box label, in compliance with jedec standard jesd97. the maximum ratings related to soldering conditions are also marked on the inner box label. ecopack is an st trademark. ecopack specifications are available at: www.st.com .
package mechanical data ST6G3238BE 14/17 table 13. tfbga25 mechanical data figure 6. package dimensions dim ref dimension (mm) dimension (inch) min. typ. max min. typ. max a 1.0 1.10 1.16 0.039 0.043 0.046 a1 0.25 0.010 a2 0.78 0.86 0.031 0.034 b 0.25 0.30 0.35 0.010 0.012 0.014 d 2.90 3.0 3.10 0.114 0.118 0.122 d1 2.0 0.079 e 2.90 3.0 3.10 0.114 0.118 0.122 e1 2.0 0.079 e 0.50 0.020 se 0.25 0.010
ST6G3238BE package mechanical data 15/17 table 14. tfbga25 tape and reel information figure 7. reel dimension dim ref dimension (mm) dimension (inch) min. typ. max min. typ. max a 330 12.992 c 12.8 13.2 0.504 0.519 d 20.2 0.795 n 60 2.362 t 14.4 0.567 ao 3.3 0.130 bo 3.3 0.130 ko 1.60 0.063 po 3.9 4.1 0.153 0.161 p 7.9 8.1 0.311 0.319
revision history ST6G3238BE 16/17 9 revision history table 15. revision history date revision change 22-mar-2007 1 first release
ST6G3238BE 17/17 please read carefully: information in this document is provided solely in connection with st products. stmicroelectronics nv and its subsidiaries (?st ?) reserve the right to make changes, corrections, modifications or improvements, to this document, and the products and services described he rein at any time, without notice. all st products are sold pursuant to st?s terms and conditions of sale. purchasers are solely responsible for the choice, selection and use of the st products and services described herein, and st as sumes no liability whatsoever relating to the choice, selection or use of the st products and services described herein. no license, express or implied, by estoppel or otherwise, to any intellectual property rights is granted under this document. i f any part of this document refers to any third party products or services it shall not be deemed a license grant by st for the use of such third party products or services, or any intellectual property contained therein or considered as a warranty covering the use in any manner whatsoev er of such third party products or services or any intellectual property contained therein. unless otherwise set forth in st?s terms and conditions of sale st disclaims any express or implied warranty with respect to the use and/or sale of st products including without limitation implied warranties of merchantability, fitness for a parti cular purpose (and their equivalents under the laws of any jurisdiction), or infringement of any patent, copyright or other intellectual property right. unless expressly approved in writing by an authorized st representative, st products are not recommended, authorized or warranted for use in milita ry, air craft, space, life saving, or life sustaining applications, nor in products or systems where failure or malfunction may result in personal injury, death, or severe property or environmental damage. st products which are not specified as "automotive grade" may only be used in automotive applications at user?s own risk. resale of st products with provisions different from the statements and/or technical features set forth in this document shall immediately void any warranty granted by st for the st product or service described herein and shall not create or extend in any manner whatsoev er, any liability of st. st and the st logo are trademarks or registered trademarks of st in various countries. information in this document supersedes and replaces all information previously supplied. the st logo is a registered trademark of stmicroelectronics. all other names are the property of their respective owners. ? 2007 stmicroelectronics - all rights reserved stmicroelectronics group of companies australia - belgium - brazil - canada - china - czech republic - finland - france - germany - hong kong - india - israel - ital y - japan - malaysia - malta - morocco - singapore - spain - sweden - switzerland - united kingdom - united states of america www.st.com

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