tc74vcx162843ft TOSHIBA Semiconductor CORPORATION, tc74vcx162843ft Datasheet - Page 3

• Manufacturer Part Number: tc74vcx162843ft
• Description: Low-voltage 18-bit D-type Latch With 3.6-v Tolerant Inputs And Outputs
• Manufacturer: TOSHIBA Semiconductor CORPORATION

Truth Table
System Diagram
X: Don’t care
Z: High impedance
Qn : Q outputs are latched at the time when the LE input is taken to a low logic level.
PR
H
H
H
H
X
L
(each 9-bit latch)
CLR
X
H
H
H
X
L
Inputs
OE
H
L
L
L
L
L
2
1
CLR
2
CLR
1
2
1
1D1
2D1
1LE
2LE
OE
OE
PR
PR
55
56
54
27
30
28
29
42
2
1
LE
X
X
H
H
X
L
To eight other channels
To eight other channels
3
D
H
X
X
X
X
L
S
LE
D
R
S
LE
D
R
Outputs
Qn
Q
H
H
L
L
Z
15
3
1Q1
2Q1
TC74VCX162843FT
2007-10-19