SN74LS569AN データシートの表示（PDF） - Motorola => Freescale
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SN74LS569AN Datasheet PDF : 8 Pages
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SN54 / 74LS569A
AC SETUP REQUIREMENTS (TA = 25°C, VCC = 5.0 V)
Limits
Symbol
Parameter
Min Typ Max Unit
tW
Clock Pulse Width (Low)
20
ns
ts
Setup Time, A, B, C, D
20
ns
ts
Setup Time, SCLR
20
ns
ts
Setup Time, LOAD
25
ns
ts
Setup Time, U/D
30
ns
ts
Setup Time, CET, CEP
20
ns
th
Hold Time, Any Inputs
0
ns
trec
ACLR
15
ns
Test Conditions
VCC = 5.0 V
MICROPROGRAMMABLE DUAL-EVENT 8-BIT COUNTERS
LOAD1 U/D1 COUNT1 ACLR1 OE1
LOAD2 U/D2 COUNT2
ACLR2 OE2
4
4
4
4
CP A-D ACLR
U/D
OE
LOAD
CET
CEP YA-D RCO
4
CP A-D ACLR
U/D
OE
LOAD
CET
CEP YA-D
CP A-DACLR
U/D
OE
LOAD
CET
CEP YA-D RCO
84
4
8-BIT BUS
CP A-DACLR
U/D
OE
LOAD
CET
CEP YA-D
84
FAST AND LS TTL DATA
5-578
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