74VCX162373MTDX Fairchild Semiconductor, 74VCX162373MTDX Datasheet - Page 2

• Manufacturer Part Number: 74VCX162373MTDX
• Description: IC LATCH TRANSP 16BIT LV 48TSSOP
• Manufacturer: Fairchild Semiconductor
• Series: 74VCXr

Specifications of 74VCX162373MTDX

• Logic Type: D-Type Transparent Latch
• Circuit: 8:8
• Output Type: Tri-State
• Voltage - Supply: 1.4 V ~ 3.6 V
• Independent Circuits: 2
• Delay Time - Propagation: 1ns
• Current - Output High, Low: 12mA, 12mA
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 48-TSSOP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

www.fairchildsemi.com
Connection Diagram
Functional Description
The 74VCX162373 contains sixteen edge D-type latches
with 3-STATE outputs. The device is byte controlled with
each byte functioning identically, but independent of the
other. Control pins can be shorted together to obtain full
16-bit operation. The following description applies to each
byte. When the Latch Enable (LE
the I
transparent, i.e., a latch output will change state each time
Logic Diagram
Please note that this diagram is provided only for the understanding of logic operations and should not be used to estimate propagation delays.
n
enters the latches. In this condition the latches are
n
) input is HIGH, data on
2
Truth Tables
H
L
X
Z
O
its I input changes. When LE
information that was present on the I inputs a setup time
preceding the HIGH-to-LOW transition on LE
3-STATE outputs are controlled by the Output Enable
(OE
the 2-state mode. When OE
are in the high impedance mode but this does not interfere
with entering new data into the latches.
0
Previous O
n
LOW Voltage Level
High Impedance
HIGH Voltage Level
Immaterial (HIGH or LOW, inputs may not float)
) input. When OE
LE
LE
X
H
H
X
H
H
L
L
0
1
2
before HIGH-to-LOW of Latch Enable
Inputs
Inputs
OE
OE
n
H
H
L
L
L
L
L
L
is LOW the standard outputs are in
1
2
n
is HIGH, the standard outputs
n
is LOW, the latches store
I
I
8
0
–I
H
H
–I
X
L
X
X
L
X
15
7
Outputs
Outputs
O
O
8
0
O
O
–O
Z
H
Z
H
–O
L
L
0
0
15
7
n
. The