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MC74VHC595 Datasheet, PDF (8/12 Pages) Motorola, Inc – 8-Bit Shift Register with Output Storage Register
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TIMING REQUIREMENTS (Input tr = tf = 3.0ns)
Symbol
Parameter
tsu(L) Setup Time, SCLR to RCK
th
Hold Time, SI to SCK
th(L) Hold Time, SCLR to RCK
trec Recovery Time, SCLR to SCK
tw
Pulse Width, SCK or RCK
tw(L) Pulse Width, SCLR
MC74VHC595
VCC
V
Typ
3.3
5.0
3.3
5.0
3.3
5.0
3.3
5.0
3.3
5.0
3.3
5.0
Limit
8.0
5.0
1.5
2.0
0
0
3.0
2.5
5.0
5.0
5.0
5.0
Limit
9.0
5.0
1.5
2.0
0
0
3.0
2.5
5.0
5.0
5.0
5.0
Limit
Unit
9.0
ns
5.0
1.5
ns
2.0
1.0
ns
1.0
3.0
ns
2.5
5.0
ns
5.0
5.0
ns
5.0
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