100352 Datasheet, PDF (1/8 Pages) National Semiconductor (TI) – Low Power 8-Bit Buffer with Cut-Off Drivers

October 1989
Revised August 2000
100352
Low Power 8-Bit Buffer with Cut-Off Drivers
General Description
The 100352 contains an 8-bit buffer, individual inputs (D_n),
outputs (Q_n), and a data output enable pin (OEN). A Q out-
put follows its D input when the OEN pin is LOW. A HIGH
on OEN holds the outputs in a cut-off state. The cut-off
state is designed to be more negative than a normal ECL
LOW level. This allows the output emitter-followers to turn
off when the termination supply is −2.0V, presenting a high
impedance to the data bus. This high impedance reduces
termination power and prevents loss of low state noise
margin when several loads share the bus.
The 100352 outputs are designed to drive a doubly termi-
nated 50Ω transmission line (25Ω load impedance). All
inputs have 50 kΩ pull-down resistors.
Features
s Cut-off drivers
s Drives 25Ω load
s Low power operation
s 2000V ESD protection
s Voltage compensated operating range = −4.2V to −5.7V
s Available to industrial grade temperature range
Ordering Code:
Order Number Package Number
Package Description
100352PC
N24E
24-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-010, 0.400 Wide
100352QC
V28A
28-Lead Plastic Lead Chip Carrier (PLCC), JEDEC MO-047, 0.450 Square
100352QI
V28A
28-Lead Plastic Lead Chip Carrier (PLCC), JEDEC MO-047, 0.450 Square
Industrial Temperature Range (−40°C to +85°C)
Devices also available in Tape and Reel. Specify by appending the suffix letter “X” to the ordering code.
Logic Symbol
Connection Diagrams
24-Pin DIP
Pin Descriptions
Pin Names
Description
D₀–D₇
OEN
Data Inputs
Output Enable Input
Q₀–Q₇
NC
Data Outputs
No Connect
© 2000 Fairchild Semiconductor Corporation DS010248
28-Pin PLCC
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