MC74AC646_15 Datasheet, PDF (9/10 Pages) ON Semiconductor – Octal Transceiver/Register with 3-State Outputs

MC74AC646, MC74ACT646
AC OPERATING REQUIREMENTS
Symbol
Parameter
t_s
Setup Time, HIGH or LOW
Bus to Clock
t_h
Hold Time, HIGH or LOW
Bus to Clock
t_w
Clock Pulse Width
HIGH or LOW
*Voltage Range 5.0 V is 5.0 V ±0.5 V.
CAPACITANCE
Symbol
Parameter
C_IN
Input Capacitance
C_I/O
Input/Output Capacitance
C_PD
Power Dissipation Capacitance
74ACT
74ACT
V_CC*
(V)
T_A = +25°C
C_L = 50 pF
T_A = −40°C
to +85°C
C_L = 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
Value
Typ
Unit
4.5
pF
15
pF
60
pF
Test Conditions
V_CC = 5.0 V
V_CC = 5.0 V
V_CC = 5.0 V
ORDERING INFORMATION
Device
Package
Shipping^†
MC74AC646DWR2G
MC74ACT646DWG
MC74ACT646DWR2G
SOIC−24
(Pb−Free)
1000 / Tape & Reel
30 Units / Rail
1000 / Tape & Reel
†For information on tape and reel specifications, including part orientation and tape sizes, please refer to our Tape and Reel Packaging
Specifications Brochure, BRD8011/D.
www.onsemi.com
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