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HD74AC194 Datasheet, PDF (6/8 Pages) Hitachi Semiconductor – 4-bit Bidirectional Unviersal Shift Register
HD74AC194
AC Operating Requirements
Ta = –40°C
Ta = +25°C
to +85°C
Item
Setup time, HIGH or LOW
Pn or DSR or DSL to CP
Hold time, HIGH or LOW
Pn or DSR or DSL to CP
Setup time, HIGH or LOW
Sn to CP
Hold time, HIGH or LOW
Sn to CP
Recovery time
MR to CP
CL = 50 pF
CL = 50 pF
Symbol VCC (V)*1
Typ
Guaranteed Minimum
tsu
3.3
—
5.5
7.0
ns
5.0
—
4.0
5.0
th
3.3
—
5.0
—
2.0
3.0
ns
1.5
2.0
tsu
3.3
—
5.0
—
6.0
7.5
ns
4.5
5.5
th
3.3
—
5.0
—
0.0
0.0
ns
0.0
0.0
trec
3.3
—
5.0
—
0.5
0.5
ns
0.5
0.5
Unit
Pulse width
tw
3.3
—
5.0
—
5.5
7.0
ns
4.5
5.0
Note: 1. Voltage Range 3.3 is 3.3 V ± 0.3 V
Voltage Range 5.0 is 5.0 V ± 0.5 V
Capacitance
Item
Input capacitance
Power dissipation capacitance
Symbol
CIN
CPD
Typ
4.5
100
Unit
pF
pF
VCC = 5.5 V
VCC = 5.0 V
Condition
Rev.2.00, Jul.16.2004, page 6 of 7