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| 5-BIT DIFFERENTIAL REGISTER SY10E452 SY100E452 FEATURES s s s s s s s Differential D, CLK and Q Extended 100E VEE range of -4.2V to -5.5V VBB output for single-ended use 1100MHz min. toggle frequency Asynchronous Master Reset Fully compatible with Motorola MC10E/100E452 Available in 28-pin PLCC package DESCRIPTION The SY10/100E452 are 5-bit differential registers with differential data (inputs and outputs) and clock. The registers are triggered by a positive transition of the positive clock (CLK) input. A high on the Master Reset (MR) asynchronously resets all registers so that the Q outputs go LOW. The differential input structures are clamped so that the inputs of unused registers can be left open without upsetting the bias network of the devices. The clamping action will assert the /D and the /CLK sides of the inputs. Because of the edge-triggered flip-flop nature of the devices, simultaneously opening both the clock and data inputs will result in an output which reaches an unidentified but valid state. The fully differential design of the devices makes them ideal for very high frequency applications where a registered data path is necessary. BLOCK DIAGRAM D0 D0 D Q R D1 D1 Q0 Q0 PIN CONFIGURATION VCCO Q4 D3 D3 25 24 23 22 21 20 19 D Q R Q1 Q1 MR CLK CLK VEE VBB D2 D2 Q4 D4 D4 26 27 28 1 2 3 4 5 6 7 8 9 10 11 18 17 Q3 Q3 VCC Q2 Q2 Q1 Q1 TOP VIEW PLCC J28-1 16 15 14 13 12 D2 D2 D Q R Q2 Q2 D1 D0 VCCO Q0 D1 D0 D3 D3 D Q R Q3 Q3 PIN NAMES Pin D [0:4], /D [0:4] Function Differential Data Inputs Master Reset Input Differential Clock Input VBB Reference Output Differential Data Outputs VCC to Output D4 D4 CLK CLK MR VBB D Q R Q4 Q4 MR CLK, /CLK VBB Q [0:4], Q [0:4] VCCO Q0 Rev.: D Amendment: /0 1 Issue Date: May, 1999 Micrel SY10E452 SY100E452 DC ELECTRICAL CHARACTERISTICS VEE = VEE (Min.) to VEE (Max.); VCC = VCCO = GND TA = -40C Symbol VBB IIH IEE VCMR Parameter Output Reference Voltage Input HIGH Current Power Supply Current 10E 100E Min. 10E -1.43 100E -1.38 -- -- -- -2.0 Typ. -- -- -- 74 74 -- Max. -1.30 -1.26 150 89 89 -0.4 Min. -1.38 -1.38 -- -- -- -2.0 TA = 0C Typ. -- -- -- 74 74 -- Max. -1.27 -1.26 150 89 89 -0.4 TA = +25C Min. -1.35 -1.38 -- -- -- -2.0 Typ. -- -- -- 74 74 -- Max. -1.25 -1.26 150 89 89 -0.4 Min. -1.31 -1.38 -- -- -- -2.0 TA = +85C Typ. -- -- -- 74 85 -- Max. -1.19 -1.26 150 89 102 -0.4 Unit V A mA V Common Mode Range(1) NOTE: 1. VCMR is referenced to the most positive side of the differential input signal. Normal operation is obtained when the input signals are within the VCMR range and the input swing is greater than VPP (min.) and <1V. AC ELECTRICAL CHARACTERISTICS VEE = VEE (Min.) to VEE (Max.); VCC = VCCO = GND TA = -40C Symbol fMAX tPLH tPHL Parameter Max. Toggle Frequency Propagation Delay to Output CLK (Diff) CLK (SE) MR Set-up Time, D Hold Time, D Reset Recovery Time Minimum Pulse Width CLK MR Within-Device Skew(1) Minimum Input Swing(2) Rise/Fall Time 20-80% Min. 1000 425 375 375 175 225 750 400 400 -- 150 250 Typ. 1400 600 600 625 -50 50 450 -- -- 50 -- 475 Max. -- 850 900 900 -- -- -- -- -- -- -- 725 Min. 1100 475 425 425 150 200 700 400 400 -- 150 275 TA = 0C Typ. 1400 600 600 625 -50 50 450 -- -- 50 -- 475 Max. -- 800 850 850 -- -- -- -- -- -- -- 675 TA = +25C Min. 1100 475 425 425 150 200 700 400 400 -- 150 275 Typ. 1400 600 600 625 -50 50 450 -- -- 50 -- 475 Max. -- 800 850 850 -- -- -- -- -- -- -- 675 TA = +85C Min. 1100 475 425 425 150 200 700 400 400 -- 150 275 Typ. 1400 600 600 625 -50 50 450 -- -- 50 -- 475 Max. Unit -- 800 850 850 -- -- -- -- -- -- -- 675 ps mV ps ps ps ps ps MHz ps tS tH tRR tPW tskew VPP (AC) tr tf NOTES: 1. Within-device skew is defined as identical transitions on similar paths through a device. 2. Minimum input swing for which AC parameters are guaranteed. PRODUCT ORDERING CODE Ordering Code SY10E452JC SY10E452JCTR SY100E452JC SY100E452JCTR Package Type J28-1 J28-1 J28-1 J28-1 Operating Range Commercial Commercial Commercial Commercial Ordering Code SY10E452JI SY10E452JITR SY100E452JI SY100E452JITR Package Type J28-1 J28-1 J28-1 J28-1 Operating Range Industrial Industrial Industrial Industrial 2 Micrel SY10E452 SY100E452 28 LEAD PLCC (J28-1) Rev. 03 3 Micrel SY10E452 SY100E452 MICREL-SYNERGY TEL 3250 SCOTT BOULEVARD SANTA CLARA CA 95054 USA FAX + 1 (408) 980-9191 + 1 (408) 914-7878 WEB http://www.micrel.com This information is believed to be accurate and reliable, however no responsibility is assumed by Micrel for its use nor for any infringement of patents or other rights of third parties resulting from its use. No license is granted by implication or otherwise under any patent or patent right of Micrel Inc. (c) 2000 Micrel Incorporated 4 |
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