HD29468 Datasheet, PDF (1/7 Pages) List of Unclassifed Manufacturers – Triple Line Drivers / Receivers

HD29468
Triple Line Drivers / Receivers
The HD29468 features line drivers and receivers
for unbalanced transmissions, which meet the specs
of IBM 360 and 370. This device has three drivers
and receivers in one package. Input of driver and
output of receiver are compatible with low power
schottky TTL circuit and operates from a single 5
V power supply. The driver has two types of
enable inputs. Sprius noise can be prevented by
grounding either input when power supply is throw
or cut off. The outputs are protected from short
circuit and the wired logic is available due to
emitter follower from for party
line data bus applications. The device operates at
high speed. Low to high level and high to low level
propagation delay times defference are 10 ns max.
Pin Arrangement
DE1 1
RI1 2
RO1 3
RI2 4
RO2 5
RI3 6
RO3 7
GND 8
Function Table
Driver
Input
DI
DE1
DE2
L
X
X
X
L
X
X
X
L
H
H
H
Output
DO
L
L
L
H
(Top View)
Receiver
Input
RI
Output
RO
L
H
H
L
H : High level
L : Low level
X : Immaterial
16 VCC
15 DO1
14 DI1
13 DO2
12 DI2
11 DO3
10 DI3
9 DE2