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IDT74FCT646ATPG Datasheet(PDF) 7 Page - Integrated Device Technology |
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IDT74FCT646ATPG Datasheet(HTML) 7 Page - Integrated Device Technology |
7 / 9 page IDT54/74FCT646/2646/652/2652T/AT/CT/DT, 648T/AT/CT FAST CMOS OCTAL TRANSCEIVER/REGISTER MILITARY AND COMMERCIAL TEMPERATURE RANGES 6.20 7 SWITCHING CHARACTERISTICS OVER OPERATING RANGE 2634 tbl 09 NOTES: 2634 tbl 10 1. See test circuit and waveforms. 2. Minimum limits are guaranteed but not tested on Propagation Delays. 3. GAB, GBA to Bus for 652. 4. This parameter is guaranteed but not tested. 646/648/652T 2646/2652T 646/648/652AT 2646/2652AT Com'l. Mil. Com'l. Mil. Symbol Parameter Condition(1) Min.(2) Max. Min.(2) Max. Min.(2) Max. Min.(2) Max. Unit tPLH tPHL Propagation Delay Bus to Bus CL = 50pF RL = 500 Ω 2.0 9.0 2.0 11.0 2.0 6.3 2.0 7.7 ns tPZH tPZL Output Enable Time, G, DIR to Bus(3) 2.0 14.0 2.0 15.0 2.0 9.8 2.0 10.5 ns tPHZ tPLZ Output Disable Time, G, DIR to Bus(3) 2.0 9.0 2.0 11.0 2.0 6.3 2.0 7.7 ns tPLH tPHL Propagation Delay Clock to Bus 2.0 9.0 2.0 10.0 2.0 6.3 2.0 7.0 ns tPLH tPHL Propagation Delay SBA or SAB to Bus 2.0 11.0 2.0 12.0 2.0 7.7 2.0 8.4 ns tSU Set-up Time HIGH or LOW Bus to Clock 4.0 — 4.5 — 2.0 — 2.0 — ns tH Hold Time HIGH or LOW Bus to Clock 2.0 — 2.0 — 1.5 — 1.5 — ns tW Clock Pulse Width, HIGH or LOW 6.0 — 6.0 — 5.0 — 5.0 — ns 646/648/652CT 2646/2652CT 646/652DT Com'l. Mil. Com'l. Mil. Symbol Parameter Condition(1) Min.(2) Max. Min.(2) Max. Min.(2) Max. Min.(2) Max. Unit tPLH tPHL Propagation Delay Bus to Bus CL = 50pF RL = 500 Ω 1.5 5.4 1.5 6.0 1.5 4.4 — — ns tPZH tPZL Output Enable Time, G, DIR to Bus(3) 1.5 7.8 1.5 8.9 1.5 5.0 — — ns tPHZ tPLZ Output Disable Time, G, DIR to Bus(3) 1.5 6.3 1.5 7.7 1.5 4.3 — — ns tPLH tPHL Propagation Delay Clock to Bus 1.5 5.7 1.5 6.3 1.5 4.4 — — ns tPLH tPHL Propagation Delay SBA or SAB to Bus 1.5 6.2 1.5 7.0 1.5 5.0 — — ns tSU Set-up Time HIGH or LOW Bus to Clock 2.0 — 2.0 — 1.5 — — — ns tH Hold Time HIGH or LOW Bus to Clock 1.5 — 1.5 — 1.0 — — — ns tW Clock Pulse Width, HIGH or LOW(4) 5.0 — 5.0 — 3.0 — — — ns |
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