MC74AC646 Datasheet, PDF (8/9 Pages) Motorola, Inc – OCTAL TRANSCEIVER/REGISTER WITH 3-STATE OUTPUTS (NON-INVERTING)

MC74AC646 MC74ACT646
AC OPERATING REQUIREMENTS
Symbol
Parameter
ts
Setup Time, HIGH or LOW
Bus to Clock
th
Hold Time, HIGH or LOW
Bus to Clock
tw
Clock Pulse Width
HIGH or LOW
* Voltage Range 5.0 V is 5.0 V ±0.5 V.
74ACT
74ACT
VCC*
(V)
TA = +25°C
CL = 50 pF
TA = –40°C
to +85°C
CL = 50 pF
Unit
Fig.
No.
Typ
Guaranteed Minimum
5.0
7.0
8.0
ns
3-9
5.0
2.5
2.5
ns
3-9
5.0
7.0
8.0
ns
3-6
CAPACITANCE
Symbol
Parameter
CIN
CI/O
CPD
Input Capacitance
Input/Output Capacitance
Power Dissipation Capacitance
Value
Typ
Unit
4.5
pF
15
pF
60
pF
Test Conditions
VCC = 5.0 V
VCC = 5.0 V
VCC = 5.0 V
FACT DATA
5-8