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SN54HC191 Datasheet(PDF) 6 Page - Texas Instruments

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Part No. SN54HC191
Description  4-BIT SYNCHRONOUS UP/DOWN BINARY COUNTERS
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Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

SN54HC191 Datasheet(HTML) 6 Page - Texas Instruments

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SN54HC191, SN74HC191
4BIT SYNCHRONOUS UP/DOWN BINARY COUNTERS
SCLS121D − DECEMBER 1982 − REVISED OCTOBER 2003
6
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
electrical characteristics over recommended operating free-air temperature range (unless
otherwise noted)
PARAMETER
TEST CONDITIONS
VCC
TA = 25°C
SN54HC191
SN74HC191
UNIT
PARAMETER
TEST CONDITIONS
VCC
MIN
TYP
MAX
MIN
MAX
MIN
MAX
UNIT
2 V
1.9
1.998
1.9
1.9
IOH = −20 µA
4.5 V
4.4
4.499
4.4
4.4
VOH
VI = VIH or VIL
IOH = −20 µA
6 V
5.9
5.999
5.9
5.9
V
VOH
VI = VIH or VIL
IOH = −4 mA
4.5 V
3.98
4.3
3.7
3.84
V
IOH = −5.2 mA
6 V
5.48
5.8
5.2
5.34
2 V
0.002
0.1
0.1
0.1
IOL = 20 µA
4.5 V
0.001
0.1
0.1
0.1
VOL
VI = VIH or VIL
IOL = 20 µA
6 V
0.001
0.1
0.1
0.1
V
VOL
VI = VIH or VIL
IOL = 4 mA
4.5 V
0.17
0.26
0.4
0.33
V
IOL = 5.2 mA
6 V
0.15
0.26
0.4
0.33
II
VI = VCC or 0
6 V
±0.1
±100
±1000
±1000
nA
ICC
VI = VCC or 0,
IO = 0
6 V
8
160
80
µA
Ci
2 V to 6 V
3
10
10
10
pF


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