74191 datasheet(4/6 Pages) FAIRCHILD

部品番号	74191

部品情報	Synchronous 4-Bit Up/Down Counter with Mode Control

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メーカー	FAIRCHILD [Fairchild Semiconductor]

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Absolute Maximum Ratings(Note 1)

Note 1: The “Absolute Maximum Ratings” are those values beyond which

the safety of the device cannot be guaranteed. The device should not be

operated at these limits. The parametric values defined in the Electrical

Characteristics tables are not guaranteed at the absolute maximum ratings.

The “Recommended Operating Conditions” table will define the conditions

for actual device operation.

Recommended Operating Conditions

Note 2: TA = 25°C and VCC = 5V.

DC Electrical Characteristics

Note 3: All typicals are at VCC = 5V, TA = 25°C.

Note 4: Not more than one output should be shorted at a time, and the duration should not exceed one second.

Note 5: ICC is measured with all inputs grounded and all outputs open.

Storage Temperature Range

−65°C to +150°C

Input Voltage

7V

Operating Free Air Temp. Range

0

°C to +70°C

Supply Voltage

7V

Symbol

Parameter

Min

Nom

Max

Units

VCC

Supply Voltage

4.75

5

5.25

V

VIH

HIGH Level Input Voltage

2

V

VIL

LOW Level Input Voltage

0.8

V

IOH

HIGH Level Output Current

−0.4

mA

IOL

LOW Level Output Current

8

mA

fCLK

Clock Frequency (Note 2)

0

20

MHz

tW

Pulse Width

Clock

25

ns

(Note 2)

Load

35

tSU

Data Setup Time (Note 2)

20

ns

tH

Data Hold Time (Note 2)

0

ns

tEN

Enable Time to Clock (Note 2)

30

ns

TA

Free Air Operating Temperature

0

70

°C

Symbol

Parameter

Conditions

Min

Typ

Max

Units

(Note 3)

VI

Input Clamp Voltage

VCC = Min, II = − 18 mA

−1.5

V

VOH

HIGH Level Output

VCC = Min, IOH = Max

Mil

2.5

3.4

Voltage

VIL = Max, VIH = Min

Com

2.7

3.4

V

VOL

LOW Level Output

VCC = Min, IOL = Max

0.25

0.4

Voltage

VIL = Max, VIH = Min

0.35

0.5

V

IOL = 4 mA, VCC = Min

0.25

0.4

II

Input Current @ Max

VCC = Max

Enable

0.3

mA

Input Voltage

VI = 7V

Others

0.1

IIH

HIGH Level Input

VCC = Max

Enable

60

µA

Current

VI = 2.7V

Others

20

IIL

LOW Level Input

VCC = Max

Enable

−1.08

mA

Current

VI = 0.4V

Others

−0.4

IOS

Short Circuit

VCC = Max

Mil

−20

−100

mA

Output Current

(Note 4)

Com

−20

−100

ICC

Supply Current

VCC = Max (Note 5)

20

35

mA

同様の部品番号 - 74191

メーカー	部品番号	データシート	部品情報
National Semiconductor ...	74191	129Kb / 6P	Synchronous Up/Down 4-Bit Binary Counter with Mode Control
Myrra	74191	128Kb / 1P	DIMMER CHOKES FOR EMI SUPPRESSION
Molex Electronics Ltd.	74191-0002	240Kb / 2P	High Speed Edgecard Connector in Ground Signal Format for High Performance Applications
	74191-0003	240Kb / 2P	High Speed Edgecard Connector in Ground Signal Format for High Performance Applications
	74191-0004	240Kb / 2P	High Speed Edgecard Connector in Ground Signal Format for High Performance Applications

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同様の説明 - 74191

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