CD54AC161 Datasheet, PDF (9/15 Pages) Texas Instruments – 4-BIT SYNCHRONOUS BINARY COUNTERS

CD54AC161, CD74AC161
4-BIT SYNCHRONOUS BINARY COUNTERS
SCHS239C – SEPTEMBER 1998 – REVISED MARCH 2003
switching characteristics over recommended operating free-air temperature range, C_L = 50 pF
(unless otherwise noted) (see Figure 1)
PARAMETER
fmax
FROM
(INPUT)
CLK
tpd
ENT
CLR
TO
(OUTPUT)
RCO
Any Q
RCO
Any Q
RCO
VCC
1.5 V
3.3 V ± 0.3 V
5 V ± 0.5 V
1.5 V
3.3 V ± 0.3 V
5 V ± 0.5 V
1.5 V
3.3 V ± 0.3 V
5 V ± 0.5 V
1.5 V
3.3 V ± 0.3 V
5 V ± 0.5 V
1.5 V
3.3 V ± 0.3 V
5 V ± 0.5 V
1.5 V
3.3 V ± 0.3 V
5 V ± 0.5 V
–55°C to
125°C
MIN MAX
7
64
90
–
209
6 23.4
4.3 16.7
–
207
5.9 23.1
4.2 16.5
–
129
3.6 14.4
2.6 10.3
–
207
5.9 23.1
4.2 16.5
–
207
5.9 23.1
4.2 16.5
–40°C to
85°C
MIN MAX
8
73
103
–
190
6
21
4.3 15.2
–
188
5.9
21
4.2
15
–
117
3.7 13.1
2.7 9.4
–
188
5.9
21
4.2
15
–
188
5.9
21
4.2
15
UNIT
MHz
ns
operating characteristics, T_A = 25°C
PARAMETER
Cpd Power dissipation capacitance
TEST CONDITIONS
No load
TYP UNIT
66 pF
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