MC54F161A View Datasheet(PDF) - Motorola => Freescale
Part Name
Description
Manufacturer
MC54F161A Datasheet PDF : 4 Pages
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MC74F161A • MC74F163A
AC CHARACTERISTCS
Symbol
fmax
tPLH
tPHL
tPLH
tPHL
tPLH
tPHL
tPLH
tPHL
tPHL
tPHL
Parameter
Maximum Count Frequency
Propagation Delay, Count
CP to Qn (PE Input HIGH)
Propagation Delay
CP to Qn (PE Input LOW)
Propagation Delay
CP to TC
Propagation Delay
CET to TC
Propagation Delay
MR to Qn (MC74F161A)
Propagation Delay
MR to TC (MC74F161A)
AC OPERATING REQUIREMENTS
Symbol
ts(H)
ts(L)
th(H)
th(L)
ts(H)
ts(L)
th(H)
th(L)
ts(H)
ts(L)
th(H)
th(L)
tw(H)
tw(L)
tw(H)
tw(L)
tw(L)
trec
Parameter
Setup Time, HIGH or LOW
Pn to CP
Hold Time, HIGH or LOW
Pn to CP
Setup Time, HIGH or LOW
PE or SR to CP
Hold Time, HIGH or LOW
PE or SR to CP
Setup Time, HIGH or LOW
CEP or CET to CP
Hold Time, HIGH or LOW
CEP or CET to CP
Clock Pulse Width (Load)
HIGH or LOW
Clock Pulse Width (Count)
HIGH or LOW
MR Pulse Width, LOW
(MC74F161A)
Recovery Time, MR to CP (MC74F161A)
74F
TA = +25°C
VCC = +5.0 V
CL = 50 pF
Min
Max
100
3.5
6.0
3.5
10
3.5
7.0
4.0
8.5
5.0
14
4.5
14
2.5
7.5
2.5
7.5
5.5
12
4.5
10.5
74F
TA = 0°C to 70°C
VCC = 5.0 V ± 10%
CL = 50 pF
Min
Max
90
3.5
7.0
3.5
11
3.5
9.5
4.0
9.5
5.0
15
4.5
15
2.5
8.5
2.5
8.5
5.5
13
4.5
11.5
74F
TA = +25°C
VCC = +5.0 V
CL = 50 pF
Min
Max
5.0
5.0
2.0
2.0
11
8.5
2.0
0
11
5.0
0
0
5.0
5.0
4.0
6.0
5.0
6.0
74F
TA = 0°C to 70°C
VCC = 5.0 V ± 10%
CL = 50 pF
Min
Max
5.0
5.0
2.0
2.0
11.5
9.5
2.0
0
11.5
5.0
0
0
5.0
5.0
4.0
7.0
5.0
6.0
Unit
MHz
ns
ns
ns
ns
ns
Unit
ns
ns
ns
ns
ns
ns
FAST AND LS TTL DATA
4-78
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