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CD54AC163 Datasheet, PDF (6/11 Pages) Texas Instruments – 4-BIT SYNCHRONOUS BINARY COUNTERS | |||
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CD54AC163, CD74AC163
4-BIT SYNCHRONOUS BINARY COUNTERS
SCHS299 â APRIL 2000
absolute maximum ratings over operating free-air temperature rangeâ
Supply voltage range, VCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . â0.5 V to 6 V
Input clamp current, IIK (VI < 0 or VI > VCC) (see Note 2) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ±20 mA
Output clamp current, IOK (VO < 0 or VO > VCC) (see Note 2) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ±50 mA
Continuous output current, IO (VO = 0 to VCC) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ±50 mA
Continuous current through VCC or GND . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ±100 mA
Package thermal impedance, θJA (see Note 3): E package . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67°C/W
M package . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 73°C/W
Storage temperature range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . â65°C to 150°C
â Stresses beyond those listed under âabsolute maximum ratingsâ may cause permanent damage to the device. These are stress ratings only, and
functional operation of the device at these or any other conditions beyond those indicated under ârecommended operating conditionsâ is not
implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.
NOTES: 2. The input and output voltage ratings may be exceeded if the input and output current ratings are observed.
3. The package thermal impedance is calculated in accordance with JESD 51.
recommended operating conditions (see Note 4)
TA = 25°C
CD54AC163 CD74AC163
UNIT
MIN MAX MIN MAX MIN MAX
VCC Supply voltage
1.5 5.5 1.5 5.5 1.5 5.5 V
VCC = 1.5 V
1.2
1.2
1.2
VIH High-level input voltage
VCC = 3 V
2.1
2.1
2.1
V
VCC = 5.5 V
3.85
3.85
3.85
VCC = 1.5 V
0.3
0.3
0.3
VIL
Low-level input voltage
VCC = 3 V
0.9
0.9
0.9 V
VCC = 5.5 V
1.65
1.65
1.65
VI
Input voltage
0 VCC
0 VCC
0 VCC V
VO
Output voltage
0 VCC
0 VCC
0 VCC V
IOH High-level output current
â24
â24
â24 mA
IOL
Low-level output current
24
24
24 mA
ât/âv Input transition rise or fall rate
VCC = 1.5 V to 3 V
VCC = 3.6 V to 5.5 V
0
50
0
20
0
50
0
20
0
50
ns
0
20
TA
Operating free-air temperature
â 55 125 â 40
85 °C
NOTE 4: All unused inputs of the device must be held at VCC or GND to ensure proper device operation. Refer to the TI application report,
Implications of Slow or Floating CMOS Inputs, literature number SCBA004.
6
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