IDT74FCT543LB datasheet(3/7 Pages) IDT

Part #	IDT74FCT543LB

Description	FAST CMOS OCTAL LATCHED TRANSCEIVER

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Manufacturer	IDT [Integrated Device Technology]

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IDT54/74FCT543/A/C

FAST CMOS OCTAL LATCHED TRANSCEIVER

MILITARY AND COMMERCIAL TEMPERATURE RANGES

7.17

3

DC ELECTRICAL CHARACTERISTICS OVER OPERATING RANGE

Following Conditions Apply Unless Otherwise Specified: VLC = 0.2V, VHC = VCC – 0.2V

Commercial: TA = 0

°C to +70°C, VCC = 5.0V ± 5%; Military: TA = –55°C to +125°C, VCC = 5.0V ± 10%

Symbol

Parameter

Test Conditions

(1)

Min.

Typ.

(2)

Max.

Unit

VIH

Input HIGH Level

Guaranteed Logic HIGH Level

2.0

—

V

VIL

Input LOW Level

Guaranteed Logic LOW Level

—

0.8

V

IIH

Input HIGH Current

VCC = Max.

VI

= VCC

——

5

µA

(Except I/O pins)

VI = 2.7V

—

5

(4)

IIL

Input LOW Current

VI

= 0.5V

——

–5

(4)

µA

(Except I/O pins)

VI = GND

—

–5

IIH

Input HIGH Current

VCC = Max.

VI

= VCC

——

15

µA

(I/O pins Only)

VI = 2.7V

—

15

(4)

IIL

Input LOW Current

VI

= 0.5V

—

–15

(4)

µA

(I/O pins Only)

VI = GND

—

–15

VIK

Clamp Diode Voltage

VCC = Min., IN = –18mA

—

–0.7

–1.2

V

IOS

Short Circuit Current

VCC = Max.

(3), VO = GND

–60

–120

—

mA

VOH

Output HIGH Voltage

VCC = 3V, VIN = VLC or VHC, IOH = –32

µAVHC

VCC

—V

VCC = Min.

IOH = –300

µAVHC(4)

VCC

—

VIN = VIH or VIL

IOH = –12mA MIL.

2.4

4.3

—

IOH = –15mA COM’L.

2.4

4.3

—

VOL

Output LOW Voltage

VCC = 3V, VIN = VLC or VHC, IOL = 300

µA

—

GND

VLC

V

VCC = Min.

IOL = 300

µA

—

GND

VLC

(4)

VIN = VIH or VIL

IOL = 48mA MIL.

(5)

—

0.3

0.55

IOL = 64mA COM’L.

(5)

—

0.3

0.55

NOTES:

2614 tbl 05

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

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

°C ambient and maximum loading.

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

4. This parameter is guaranteed but not tested.

5. These are maximum IOL values per output, for 8 outputs turned on simultaneously. Total maximum IOL (all outputs) is 512mA for commercial and 384mA

for military. Derate IOL for number of outputs exceeding 8 turned on simultaneously.

CAPACITANCE (TA = +25

°C, f = 1.0MHz)

Symbol

Parameter

(1)

Conditions Typ.

Max.

Unit

CIN

Input Capacitance

VIN = 0V

6

10

pF

CI/O

I/O Capacitance

VOUT = 0V

8

12

pF

NOTE:

2614 tbl 04

1. This parameter is guaranteed by characterization data and not tested.

ABSOLUTE MAXIMUM RATINGS

(1)

Symbol

Rating

Commercial

Military

Unit

VTERM

(2) Terminal Voltage

–0.5 to +7.0

V

with Respect

to GND

VTERM

(3) Terminal Voltage

–0.5 to VCC

V

with Respect

to GND

TA

Operating

0 to +70

–55 to +125

°C

Temperature

TBIAS

Temperature

–55 to +125

–65 to +135

°C

Under Bias

TSTG

Storage

–55 to +125

–65 to +150

°C

Temperature

PT

Power Dissipation

0.5

W

IOUT

DC Output Current

120

mA

NOTES:

2614 tbl 03

1. Stresses greater than those listed under ABSOLUTE MAXIMUM

RATINGS may cause permanent damage to the device. This is a stress

rating only and functional operation of the device at these or any other

conditions above those indicated in the operational sections of this

specification is not implied.

Exposure to absolute maximum rating

conditions for extended periods may affect reliability. No terminal voltage

may exceed VCC by +0.5V unless otherwise noted.

2. Inputs and VCC terminals only.

3. Outputs and I/O terminals only.

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