DM93L28 Datasheet, PDF (1/5 Pages) Fairchild Semiconductor – Dual 8-Bit Shift Register

March 1989
Revised August 1999
DM93L28
Dual 8-Bit Shift Register
General Description
The DM93L28 is a high speed serial storage element pro-
viding 16 bits of storage in the form of two 8-bit registers.
The multifunctional capability of this device is provided by
several features: 1) additional gating is provided at the
input to both shift registers so that the input is easily multi-
plexed between two sources; 2) the clock of each register
may be provided separately or together; 3) both the true
and complementary outputs are provided from each 8-bit
register, and both registers may be master cleared from a
common input.
Features
s 2-input multiplexer provided at data input of each
register
s Gated clock input circuitry
s Both true and complementary outputs provided from last
bit of each register
s Asynchronous master reset common to both registers
Ordering Code:
Order Number Package Number
Package Description
DM93L28N
N16E
16-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-001, 0.300 Wide
Logic Symbol
Connection Diagram
V_CC = Pin 16
GND = Pin 8
Pin Descriptions
Pin Names
S
D0, D1
CP
MR
Q7
Q7
Description
Data Select Input
Data Inputs
Clock Pulse Input (Active HIGH)
Common (Pin 9)
Separate (Pins 7 and 10)
Master Reset Input (Active LOW)
Last Stage Output
Complementary Output
© 1999 Fairchild Semiconductor Corporation DS010200
www.fairchildsemi.com