54VCXH162374 datasheet(6/17 Pages) STMICROELECTRONICS | Rad hard low voltage CMOS 16-bit D-type Flip-Flop with 3.6V tolerant inputs and outputs

Part Name

Description

54VCXH162374

Rad hard low voltage CMOS 16-bit D-type Flip-Flop with 3.6V tolerant inputs and outputs ( 17 Page)

STMICROELECTRONICS

6 page

Pin settings

54VCXH162374

6/17

2.2

Pin description

2.3

Truth table

Note:

X = Do not care; Z = High Impedance

Table 1. Pin description

Pin N°

Symbol

Name and function

11OE

3 state output enable input (Active

LOW)

2, 3, 5, 6, 8, 9, 11, 12

1Q0 to 1Q7

3-state outputs

13, 14, 16, 17, 19, 20, 22, 23

2Q0 to 2Q7

3-state outputs

2OE

3 state output enable input (Active

LOW)

2CK

Clock input

36, 35, 33, 32, 30, 29, 27, 26

2D0 to 2D7

Data inputs

47, 46, 44, 43, 41, 40, 38, 37

1D0 to 1D7

Data inputs

1CK

Clock input

4, 10, 15, 21, 28, 34, 39, 45

GND

Ground (0V)

7, 18, 31, 42

VCC

Positive supply voltage

Table 2. Truth table

Inputs

Output

No change (1)

Q outputs are latched at the time when the LE input is taken low logic level.

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17

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