MC74F620 查看數據表（PDF） - Motorola => Freescale

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MC74F620

OCTAL BUS TRANSCEIVER WITH 3-STATE OUTPUTS (INVERTING AND NONINVERTING)

Motorola => Freescale 

MC74F620 • MC74F623

DC CHARACTERISTICS OVER OPERATING TEMPERATURE RANGE (unless otherwise specified)

Symbol

Parameter

Limits

Min

Typ Max Unit

Test Conditions

(Note 1)

VIH

Input HIGH Voltage

2.0

—

—

V Guaranteed as a HIGH Signal

VIL

Input LOW Voltage

—

—

0.8

V Guaranteed as a LOW Signal

VIK

Input Clamp Diode Voltage

—

— –1.2 V VCC = MIN, IIN = –18 mA

74

An

74

2.4

3.3

—

V IOH = –3.0 mA VCC = 4.5 V

2.7

3.3

—

V IOH = –3.0 mA VCC = 4.75 V

VOH

Output HIGH Voltage

74

2.4

3.4

—

V IOH = –3.0 mA VCC = 4.5 V

Bn

74

2.7

3.4

—

V IOH = –3.0 mA VCC = 4.75 V

74

2.0

—

—

V IOH = –15.0 mA VCC = 4.5 V

VOL

Output LOW Voltage

An

74

—

0.35 0.50 V IOL = 24 mA

VCC = MIN

VOL

Output LOW Voltage

Bn

74

—

— 0.55 V IOL = 64 mA

VCC = MIN

IOZH + IIH Output Off Current HIGH

—

—

70

µA VCC = MAX

VOUT = 2.7 V

IOZL + IIL Output Off Current LOW

—

—

–70 µA VCC = MAX

VOUT = 0.5 V

OEBA, OEAB

—

—

20

µA VCC = MAX, VIN = 2.7 V

IIH

Input HIGH Current

OEBA, OEAB

—

—

100 µA VCC = 0 V, VIN = 7.0 V

Others

—

—

1.0 mA VCC = MAX, VIN = 5.5 V

IIL

Input LOW Current

Non I/O Pins

—

—

–20 µA VCC = MAX, VIN = 0.5 V

IOS

Output Short Circuit Current

(Note 2)

A0–A7

B0–B7

–60

–100

— –150

—

–225 mA VCC = MAX, VOUT = GND

ICCH

—

—

92

Vout = HIGH

ICC

Power Supply Current F620

ICCL

—

—

110 mA Vout = LOW

VCC = MAX

ICCZ

—

—

92

Vout = HIGH Z

ICC

Power Supply Current F623

—

—

120 mA VCC = MAX

NOTES:

1. For conditions shown as MIN or MAX, use the appropriate value specified under recommended operating conditions for the applicable device type.

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

FAST AND LS TTL DATA

4-235

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