IDT54FCT646P 데이터 시트보기 (PDF) - Integrated Device Technology
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IDT54FCT646P Datasheet PDF : 8 Pages
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IDT54/74FCT646/A/C
FAST CMOS OCTAL TRANSCEIVER/REGISTER
MILITARY AND COMMERCIAL TEMPERATURE RANGES
SWITCHING CHARACTERISTICS OVER OPERATING RANGE
54/74FCT646
54/74FCT646A
54/74FCT646C
Symbol
Parameter
Com’l.
Mil.
Com’l.
Mil.
Com’l.
Mil.
Condition(1) Min.(2) Max. Min.(2) Max. Min.(2) Max. Min.(2) Max. Min.(2) Max. Min.(2) Max. Unit
tPLH Propagation
tPHL
Delay
Bus to Bus
CL = 50 pF 2.0 9.0 2.0 11.0 2.0 6.3 2.0 7.7 1.5 5.4 1.5 6.0 ns
RL = 500Ω
tPZH Output Enable
tPZL
Time G, DIR to
Bus
2.0 14.0 2.0 15.0 2.0 9.8 2.0 10.5 1.5 7.8 1.5 8.9 ns
tPHZ Output Disable
tPLZ
Time G, DIR to
Bus
2.0 9.0 2.0 11.0 2.0 6.3 2.0 7.7 1.5 6.3 1.5 7.7 ns
tPLH Propagation
tPHL Delay Clock
to Bus
2.0 9.0 2.0 10.0 2.0 6.3 2.0 7.0 1.5 5.7 1.5 6.3 ns
tPLH Propagation
tPHL Delay SBA or
SAB to Bus
2.0 11.0 2.0 12.0 2.0 7.7 2.0 8.4 1.5 6.2 1.5 7.0 ns
tSU
Set-up Time
HIGH or LOW
Bus to Clock
4.0 — 4.5 — 2.0 — 2.0 — 2.0 — 2.0 — ns
tH
Hold Time
HIGH or LOW
Bus to Clock
2.0 — 2.0 — 1.5 — 1.5 — 1.5 — 1.5 — ns
tW
Clock Pulse
Width HIGH or
LOW
6.0 — 6.0 — 5.0 — 5.0 — 5.0 — 5.0 — ns
NOTES:
1. See test circuit and waveforms.
2. Minimum limits are guaranteed but not tested on Propagation Delays.
2536 tbl 07
7.18
6
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