English
Language : 

MC74VHC595_15 Datasheet, PDF (7/11 Pages) ON Semiconductor – 8-Bit Shift Register with Output Storage Register
◁
TIMING REQUIREMENTS (Input tr = tf = 3.0ns)
Symbol
Parameter
tsu Setup Time, SI to SCK
tsu(H) Setup Time, SCK to RCK
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
TA = − 40 to TA = − 55 to
VCC
TA = 25_C
85°C
125°C
V
Typ
Limit
Limit
Limit
Unit
3.3
3.5
3.5
3.5
ns
5.0
3.0
3.0
3.0
3.3
8.0
8.5
8.5
ns
5.0
5.0
5.0
5.0
3.3
8.0
9.0
9.0
ns
5.0
5.0
5.0
5.0
3.3
1.5
1.5
1.5
ns
5.0
2.0
2.0
2.0
3.3
0
0
1.0
ns
5.0
0
0
1.0
3.3
3.0
3.0
3.0
ns
5.0
2.5
2.5
2.5
3.3
5.0
5.0
5.0
ns
5.0
5.0
5.0
5.0
3.3
5.0
5.0
5.0
ns
5.0
5.0
5.0
5.0
www.onsemi.com
7
 ▷