MC74LVQ373

MOTOROLA

LCX DATA

BR1339 — REV 2

2

O0

D0

O1

D1

O2

D2

O3

D3

O4

D4

O5

D5

O6

D6

O7

D7

LOGIC DIAGRAM

nLE

Q

D

nLE

Q

D

nLE

Q

D

nLE

Q

D

nLE

Q

D

nLE

Q

D

nLE

Q

D

nLE

Q

D

LE

OE

3

4

7

8

13

14

17

18

2

5

6

9

12

15

16

19

11

1

INPUTS

INTERNAL

LATCHES

OUTPUTS

OE

LE

Dn

Q

On

OPERATING MODE

L

L

H

H

H

L

H

L

H

L

Transparent (Latch Disabled); Read Latch

L

L

↓

↓

h

l

H

L

H

L

Latched (Latch Enabled) Read Latch

L

L

X

NC

NC

Hold; Read Latch

H

L

X

NC

Z

Hold; Disabled Outputs

H

H

H

H

H

L

H

L

Z

Z

Transparent (Latch Disabled); Disabled Outputs

H

H

↓

↓

h

l

H

L

Z

Z

Latched (Latch Enabled); Disabled Outputs

H = High Voltage Level; h = High Voltage Level One Setup Time Prior to the Latch Enable High–to–Low Transition; L = Low Voltage Level; l = Low

Voltage Level One Setup Time Prior to the Latch Enable High–to–Low Transition; NC = No Change; X = High or Low Voltage Level or Transitions

are Acceptable; Z = High Impedance State;

↓ = High–to–Low Transition; For ICC Reasons DO NOT FLOAT Inputs