74FCT543ATSOG datasheet(3/7 Pages) IDT

3 / 7 page

INDUSTRIALTEMPERATURERANGE

IDT74FCT543AT/CT

FASTCMOSOCTALLATCHEDTRANSCEIVER

NOTES:

1. For conditions shown as Min. or Max., use appropriate value specified under Electrical Characteristics for the applicable device type.

2. Typical values are at VCC = 5.0V, +25°C ambient.

3. Not more than one output should be tested at one time. Duration of the test should not exceed one second.

4. The test limit for this parameter is ±5µA at TA = –55°C.

5. This parameter is guaranteed but not tested.

Symbol

Parameter

Test Conditions(1)

Min.

Typ.(2)

Max.

Unit

VOH

Output HIGH Voltage

VCC = Min

IOH = –8mA

2.4

3.3

—

VIN = VIH or VIL

IOH = –15mA

—

VOL

Output LOW Voltage

VCC = Min

IOL = 64mA

—

0.3

0.55

VIN = VIH or VIL

IOS

Short Circuit Current

VCC = Max., VO = GND(3)

–60

–120

–225

IOFF

Input/Output Power Off Leakage(5)

VCC = 0V, VIN or VO ≤

≤

4.5V

—

1µ A

OU T PU T DRI V E CH ARACT ERI ST I CS

Symbol

Parameter

Test Conditions(1)

Min.

Typ.(2)

Max.

Unit

VIH

Input HIGH Level

Guaranteed Logic HIGH Level

—

VIL

Input LOW Level

Guaranteed Logic LOW Level

—

0.8

IIH

Input HIGH Current(4)

VCC = Max.

VI = 2.7V

—

1µ A

IIL

Input LOW Current(4)

VCC = Max.

VI = 0.5V

—

1µ A

IOZH

High Impedance Output Current

VCC = Max

VO = 2.7V

—

1µ A

IOZL

(3-State output pins)(4)

VO = 0.5V

—

Input HIGH Current(4)

VCC = Max., VI = VCC (Max.)

—

1µ A

VIK

Clamp Diode Voltage

VCC = Min, IIN = -18mA

—

–0.7

–1.2

Input Hysteresis

—

200

—

ICC

Quiescent Power Supply Current

VCC = Max., VIN = GND or VCC

—

0.01

DC ELECT RI CAL CH ARACT ERI ST I CS OV ER OPERAT I N G RAN GE

Following Conditions Apply Unless Otherwise Specified:

Industrial: TA = –40°C to +85°C, VCC = 5.0V ±5%

FU N CT I ON TABLE(1, 2)

For A-t o-B (Sym m e t ric w it h B-t o-A)

Latch

Output

Inputs

Status

Buffers

CEAB

LEAB

OEAB

A-to-B

B0–B7

Storing

High Z

Storing

High Z

Transparent

Current A Inputs

Storing

Previous* A Inputs

NOTES:

1. * Before LEAB LOW-to-HIGH Transition

H = HIGH Voltage Level

L = LOW Voltage Level

X = Don’t Care

2. A-to-B data flow shown; B-to-A flow control is the same, except using CEBA, LEBA

and OEBA.

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