CY74FCT2543T

2

(Above which the useful life may be impaired. For user guide-

lines, not tested.)

Storage Temperature

.....................................−65°C to +150°C

Ambient Temperature with

Power Applied

..................................................−65°C to +135°C

Supply Voltage to Ground Potential

..................−0.5V to +7.0V

DC Input Voltage

.................................................−0.5V to +7.0V

DC Output Voltage

..............................................−0.5V to +7.0V

DC Output Current (Maximum Sink Current/Pin) ...... 120 mA

Power Dissipation .......................................................... 0.5W

Static Discharge Voltage............................................>2001V

(per MIL-STD-883, Method 3015)

Pin Description

Name

Description

OEAB

A-to-B Output Enable Input (Active LOW)

OEBA

B-to-A Output Enable Input (Active LOW)

CEAB

A-to-B Enable Input (Active LOW)

CEBA

B-to-A Enable Input (Active LOW)

LEAB

A-to-B Latch Enable Input (Active LOW)

LEBA

B-to-A Latch Enable Input (Active LOW)

A

A-to-B Data Inputs or B-to-A Three-State Outputs

B

B-to-A Data Inputs or A-to-B Three-State Outputs

Inputs

Latch

Outputs

CEAB

LEAB

OEAB

B

H

X

X

Storing

High Z

X

H

X

Storing

X

X

X

H

X

High Z

L

L

L

Transparent

Current A Inputs

L

H

L

Storing

Previous A Inputs

Operating Range

Range

Ambient

Temperature

Commercial

−40°C to +85°C

5V

± 5%

Parameter

Description

Test Conditions

Min.

Max.

Unit

Output HIGH Voltage

2.4

3.3

V

Output LOW Voltage

0.3

0.55

V

Output Resistance

20

25

40

Ω

Input HIGH Voltage

2.0

V

Input LOW Voltage

0.8

V

All inputs

0.2

V

Input Clamp Diode Voltage

−0.7

−1.2

V

Input HIGH Current

5

µA

Input HIGH Current

±1

µA

Input LOW Current

±1

µA

Off State HIGH-Level Output

Current

15

µA

Off State LOW-Level

Output Current

−15

µA

−60

−120

−225

mA

Power-Off Disable

±1

µA

Notes:

1.

H = HIGH Voltage Level. L = LOW Voltage Level. X = Don’t Care.

2.

A-to-B data flow shown: B-to-A is the same, except using CEBA, LEBA, and OEBA.

3.

Before LEAB LOW-to-HIGH transition.

4.

Unless otherwise noted, these limits are over the operating free-air temperature range.

5.

6.