74F845 데이터 시트보기 (PDF) - Fairchild Semiconductor
부품명
상세내역
일치하는 목록
74F845 Datasheet PDF : 6 Pages
| |||
AC Electrical Characteristics
Symbol
Parameter
tPLH
Propagation Delay
tPHL
Dn to On
tPLH
Propagation Delay
tPHL
LE to On
tPLH
Propagation Delay
PRE to On
tPHL
Propagation Delay
CLR to On
tPZH
Output Enable Time
tPZL
OE to On
tPHZ
Output Disable Time
tPLZ
OE to On
AC Operating Requirements
Symbol
Parameter
tS(H)
tS(L)
tH(H)
tH(L)
tW(H)
tW(L)
tW(L)
tREC
tREC
Setup Time, HIGH or LOW
Dn to LE
Hold Time, HIGH or LOW
Dn to LE
LE Pulse Width, HIGH
PRE Pulse Width, LOW
CLR Pulse Width, LOW
PRE Recovery Time
CLR Recovery Time
TA = +25°C
VCC = +5.0V
CL = 50 pF
Min
Typ
Max
2.5
4.8
8.0
1.5
3.6
6.5
5.0
8.1
12.0
2.0
4.4
7.5
3.0
5.9
10.0
3.0
6.5
10.0
2.5
5.8
9.5
2.5
7.6
12.0
1.0
3.1
7.5
1.0
2.8
6.5
TA= 0°C to +70°C
VCC = +5.0V
CL = 50 pF
Min
Max
2.0
9.0
1.5
7.0
4.5
13.5
2.0
8.0
2.5
11.0
2.5
11.0
2.0
10.5
2.0
13.0
1.0
8.5
1.0
7.5
Units
ns
ns
ns
ns
ns
ns
TA = +25°C
VCC = +5.0V
Min
Max
2.0
2.0
2.5
3.0
4.0
5.0
5.0
10.0
12.0
TA= 0°C to +70°C
VCC = +5.0V
Min
Max
2.5
2.5
3.0
3.5
4.0
5.0
5.0
10.0
13.0
Units
ns
ns
ns
ns
ns
ns
ns
www.fairchildsemi.com
4
Share Link: 