74lvt14db NXP Semiconductors, 74lvt14db Datasheet - Page 3

• Manufacturer Part Number: 74lvt14db
• Description: 74lvt1403 3.3 V Combined 8-bit Bus Receiver And 4-bit Bus Driver
• Manufacturer: NXP Semiconductors

Philips Semiconductors
LOGIC SYMBOL
1998 Nov 12
3.3V combined 8-bit bus receiver
and 4-bit bus driver
DA0
DA1
DA2
DA3
RY0
RY1
RY7
EN1
EN2
INV
A/B
DE
CONTROL
BLOCK
SV00900
RA0
RA1
RA7
DY0
DY1
DY2
DY3
3
H = High voltage level
L = Low voltage level
X = Don’t care
— = Reported on different line
H = High voltage level
L = Low voltage level
X = Don’t care
Z = High impedance “off” state
A = Active
FUNCTION TABLE – RECEIVER
FUNCTION TABLE – DRIVER
DATA PATH IN ACTIVE MODE
DE
H
L
L
L
L
L
L
RA0–RA7
H
H
H
L
L
L
CONTROL INPUTS
A/B
H
H
H
X
L
L
L
INPUTS
INPUT
DAn
H
L
EN1
X
H
H
X
X
L
L
INV
X
X
H
H
L
L
EN2
H
X
H
X
X
L
L
RY0
—
—
—
—
H
OUTPUT CONDITION
L
74LVT1403
OUTPUTS
OUTPUT
Product specification
DY Status
DYn
H
L
A
Z
Z
A
Z
Z
Z
RY1–RY7
—
—
H
H
L
L