SN74LS569 查看數據表（PDF） - Motorola => Freescale

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SN74LS569

FOUR-BIT UP/DOWN COUNTER WITH THREE-STATE OUTPUTS

Motorola => Freescale 

SN54 / 74LS569A

DC CHARACTERISTICS OVER OPERATING TEMPERATURE RANGE (unless otherwise specified)

Limits

Symbol

Parameter

Min Typ Max Unit

Test Conditions

VIH

Input HIGH Voltage

2.0

V

Guaranteed Input HIGH Voltage for

All Inputs

54

VIL

Input LOW Voltage

74

0.7

Guaranteed Input LOW Voltage for

0.8

V All Inputs

VIK

VOH

Input Clamp Diode Voltage

YA–

54

Output HIGH Voltage YD

74

RCO,

54

CCO

74

– 0.65 – 1.5

2.4

3.4

2.4

3.1

2.5

3.5

2.7

3.5

V VCC = MIN, IIN = – 18 mA

V

V VCC = MIN, IOH = MAX, VIN = VIH

V or VIL per Truth Table

V

VOL

Output LOW Voltage

54, 74

74

0.25 0.4

0.35 0.5

V

VCC = VCC MIN,

IOL = IOL MAX VIN = VIL or VIH

V

per Truth Table

IOZH

IOZL

IIH

IIL

Output Off Current HIGH

Output Off Current LOW

Input HIGH Current

Input LOW Current

Others

CET

20

– 20

20

0.1

– 0.4

– 0.8

µA VCC = MAX, VO = 2.7 V

µA VCC = MAX, VO = 0.4 V

µA VCC = MAX, VIN = 2.7 V

mA VCC = MAX, VIN = 7.0 V

mA

VCC = MAX, VIN = 0.4 V

mA

Short Circuit Current RCO, CCO

– 20

IOS

(Note 1)

Others

– 30

–100

– 130

mA

VCC = MAX

mA

ICC

Power Supply Current, 3-State

43

Note 1: Not more than one output should be shorted at a time, nor for more than 1 second.

mA VCC = MAX

AC CHARACTERISTICS (TA = 25°C)

Symbol

Parameter

Limits

Min Typ Max Unit

Test Conditions

FAST AND LS TTL DATA

5-576

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