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MC74F194 Datasheet, PDF (3/3 Pages) Motorola, Inc – 4-BIT BIDIRECTIONAL UNIVERSAL SHIFT REGISTER
AC CHARACTERISTICS
Symbol
fmax
tPLH
tPHL
tPHL
Parameter
Maximum Shift Frequency
Propagation Delay
CP to Qn
Propagation Delay
MR to Qn
AC OPERATING REQUIREMENTS
Symbol
ts(H)
ts(L)
th(H)
th(L)
ts(H)
ts(L)
th(H)
th(L)
tw(H)
tw(L)
trec
Parameter
Set up Time, HIGH or LOW
Pn or DSR or DSL to CP
Hold Time, HIGH or LOW
Pn or DSR or DSL to CP
Set up Time, HIGH or LOW
Sn to CP
Hold Time, HIGH or LOW
Sn to CP
CP Pulse Width HIGH
MR Pulse Width LOW
Recovery Time
MR to CP
MC74F194
74F
TA = +25°C
VCC = +5.0 V
CL = 50 pF
Min
Max
105
3.0
7.0
3.5
7.5
4.5
12
74F
TA = 0 to +70°C
VCC = 5.0 V ±10%
CL = 50 pF
Min
Max
90
3.5
8.0
3.5
8.0
4.5
14
Unit
MHz
ns
ns
74F
74F
TA = +25°C
VCC = +5.0 V
TA = 0 to +70°C
VCC = 5.0 V ±10%
Min
Max
Min
Max
Unit
4.0
4.0
4.0
4.0
ns
0
1.0
0
1.0
8.0
9.0
8.0
8.0
ns
0
0
0
0
5.0
5.5
ns
5.0
5.0
ns
7.0
8.0
ns
FAST AND LS TTL DATA
4-103