MC54F646 データシートの表示（PDF） - Motorola => Freescale

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MC54F646

OCTAL TRANSCEIVER/REGISTER WITH 3-STATE OUTPUTS

Motorola => Freescale 

MC54/74F646 • MC54/74F648

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

54/74

2.4 —

—

V IOH = –3.0 mA VCC = 4.5 V

74

2.7 —

—

V IOH = –3.0 mA VCC = 4.75 V

VOH

Output HIGH Voltage

An, Bn

54

2.0 —

—

V IOH = –12.0 mA VCC = 4.5 V

74

2.0 —

—

V IOH = –15.0 mA VCC = 4.5 V

54

—

— 0.55 V IOL = 48 mA

VCC = MIN

VOL

Output LOW Voltage

An, Bn

74

—

— 0.55 V IOL = 64 mA

VCC = MIN

IIH

Input HIGH Current

Non I/O Pins —

Non I/O Pins —

—

20 µA VCC = MAX, VIN = 2.7 V

— 100 µA VCC = MAX, VIN = 7.0 V

I/O (Aa, Bn)

—

—

1.0 mA VCC = MAX, VIN = 5.5 V

IIL

Input LOW Current

Non I/O Pins —

— –600 µA VCC = MAX, VIN = 0.5 V

IIH + IOZH

IIL + IOZL

Output Leakage Current

Output Leakage Current

I/O (An, Bn)

—

—

70 µA VCC = MAX

VOUT = 2.7 V

I/O (An, Bn)

—

— –650 µA VCC = MAX, VOUT = 0.5 V

IOS

Output Short Circuit Current (Note 2)

–100 — –225 mA VCC = MAX, VOUT = GND

ICCH

—

— 135

Vout = HIGH

ICC

Power Supply Current

ICCL

—

— 150 mA Vout = LOW

VCC = MAX

ICCZ

—

— 150

Vout = HIGH Z

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

4-245

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