CD54HC190 Datasheet, PDF (12/26 Pages) Texas Instruments – SYNCHRONOUS UP/DOWN COUNTERS WITH DOWN/UP MODE CONTROL

CD54HC190, CD74HC190
CD54HC191, CD74HC191, CD54HCT191, CD74HCT191
SYNCHRONOUS UP/DOWN COUNTERS WITH DOWN/UP MODE CONTROL
SCHS275E − MARCH 2002 − REVISED OCTOBER 2003
’HC190, ’HC191
electrical characteristics over recommended operating free-air temperature range (unless
otherwise noted)
PARAMETER
VOH
VOL
II
ICC
Ci
TEST CONDITIONS
VI = VIH or VIL
VI = VIH or VIL
VI = VCC or 0
VI = VCC or 0,
IOH = −20 µA
IOH = −4 mA
IOH = −5.2 mA
IOL = 20 µA
IOL = 4 mA
IOL = 5.2 mA
IO = 0
VCC
2V
4.5 V
6V
4.5 V
6V
2V
4.5 V
6V
4.5 V
6V
6V
6V
TA = 25°C
MIN MAX
1.9
4.4
5.9
3.98
5.48
0.1
0.1
0.1
0.26
0.26
±0.1
8
10
TA = −55°C
TO 125°C
MIN MAX
1.9
4.4
5.9
3.7
5.2
0.1
0.1
0.1
0.4
0.4
±1
160
10
TA = −40°C
TO 85°C
MIN MAX
1.9
4.4
5.9
3.84
5.34
0.1
0.1
0.1
0.33
0.33
±1
80
10
UNIT
V
V
µA
µA
pF
’HCT191
electrical characteristics over recommended operating free-air temperature range (unless
otherwise noted)
PARAMETER
TEST CONDITIONS
VCC
TA = 25°C
MIN TYP MAX
VOH
VOL
II
ICC
∆ICC†
VI = VIH or VIL
IOH = −20 µA
IOH = −4 mA
VI = VIH or VIL
IOL = 20 µA
IOL = 4 mA
VI = VCC to GND
VI = VCC or 0,
IO = 0
One input at VCC − 2.1 V,
Other inputs at 0 or VCC
4.4
4.5 V
3.98
4.5 V
5.5 V
5.5 V
4.5 V to 5.5 V
0.1
0.26
±0.1
8
100 360
Ci
10
† _{Additional quiescent supply current per input pin, TTL inputs high, 1 unit load}
TA = −55°C
TO 125°C
MIN MAX
4.4
3.7
0.1
0.4
±1
160
490
10
TA = −40°C
TO 85°C
MIN MAX
4.4
3.84
0.1
0.33
±1
80
450
10
UNIT
V
V
µA
µA
µA
pF
HCT INPUT LOADING TABLE
INPUTS
UNIT LOADS
A-D
0.4
CLK
1.5
LOAD
1.5
D/U
1.2
CTEN
1.5
Unit load is nICC limit specified in electrical
characteristics table, (e.g., 360 µA max at 25°C).
12
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