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CD74HC161 Datasheet(PDF) 7 Page - Texas Instruments

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Part # CD74HC161
Description  High Speed CMOS Logic Presettable Counters
PDF  10 Pages
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Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

CD74HC161 Datasheet(HTML) 7 Page - Texas Instruments

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7
Input Capacitance
CIN
CL = 50pF
-
10
-
10
-
10
-
10
pF
HCT TYPES
Propagation Delay
CP to TC
tPHL, tPLH
CL = 50pF
4.5
-
-
42
-
53
-
63
ns
CL = 15pF
5
-
18
-
-
-
-
-
ns
CP to Qn
tPHL, tPLH
CL = 50pF
4.5
-
-
39
-
49
-
59
ns
CL = 15pF
5
-
16
-
-
-
-
-
ns
TE to TC
tPHL, tPLH
CL = 50pF
4.5
-
-
32
-
40
-
48
ns
CL = 15pF
5
-
13
-
-
-
-
-
ns
MR to Qn (161)
tPHL
CL = 50pF
4.5
-
-
50
-
63
-
75
ns
CL = 15pF
5
-
21
-
-
-
-
-
ns
MR to TC (161)
tPHL
CL = 50pF
4.5
-
-
50
-
63
-
75
ns
Output Transition Time
tTHL, tTLH
CL = 50pF
4.5
-
-
15
-
19
-
22
ns
Power Dissipation Capacitance
(Notes 6, 7)
CPD
-5
-
63
-
-
-
-
-
pF
Input Capacitance
CIN
CL = 50pF
-
10
-
10
-
10
-
10
pF
NOTES:
8. CPD is used to determine the dynamic power consumption, per package.
9. PD =CPD VCC
2 f
i + ∑(CL VCC
2 f
O) where fi = Input Frequency, fO = Output Frequency, CL = Output Load Capacitance, VCC = Supply
Voltage.
Switching Specifications CL = 50pF, Input tr, tf = 6ns (Continued)
PARAMETER
SYMBOL
TEST
CONDITIONS
VCC (V)
25oC
-40oC TO
85oC
-55oC TO
125oC
UNITS
MIN
TYP
MAX
MIN
MAX
MIN
MAX
CD74HC161, CD74HCT161, CD74HC163, CD74HCT163



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