93l28 National Semiconductor Corporation, 93l28 Datasheet

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93l28

Manufacturer Part Number
93l28
Description
Dual 8-bit Shift Register
Manufacturer
National Semiconductor Corporation
Datasheet

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C 1995 National Semiconductor Corporation
93L28
Dual 8-Bit Shift Register
General Description
The 93L28 is a high speed serial storage element providing
16 bits of storage in the form of two 8-bit registers The
multifunctional capability of this device is provided by sever-
al features 1) additional gating is provided at the input to
both shift registers so that the input is easily multiplexed
between two sources 2) the clock of each register may be
provided separately or together 3) both the true and com-
plementary outputs are provided from each 8-bit register
and both registers may be master cleared from a common
input
Connection Diagram
Order Number 93L28DMQB or 93L28FMQB
See NS Package Number J16A or W16A
Dual-In-Line Package
TL F 10200
S
D0 D1
CP
MR
Q7
Q7
Names
Pin
TL F 10200 – 1
Data Select Input
Data Inputs
Clock Pulse Input (Active HIGH)
Master Reset Input (Active LOW)
Last Stage Output
Complementary Output
Common (Pin 9)
Separate (Pins 7 and 10)
Features
Y
Y
Y
Y
Logic Symbol
Description
2-input multiplexer provided at data input of each
register
Gated clock input circuitry
Both true and complementary outputs provided from
last bit of each register
Asynchronous master reset common to both registers
V
GND
CC
e
e
Pin 16
Pin 8
RRD-B30M105 Printed in U S A
TL F 10200 – 2
June 1989

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93l28 Summary of contents

Page 1

... Dual 8-Bit Shift Register General Description The 93L28 is a high speed serial storage element providing 16 bits of storage in the form of two 8-bit registers The multifunctional capability of this device is provided by sever- al features 1) additional gating is provided at the input to both shift registers so that the input is easily multiplexed ...

Page 2

... Characteristics’’ 7V table are not guaranteed at the absolute maximum ratings 5 5V The ‘‘Recommended Operating Conditions’’ table will define the conditions for actual device operation 125 C a 150 C a 93L28 (MIL) Min Nom ...

Page 3

Electrical Characteristics Symbol Parameter V Input Clamp Voltage I V High Level Output Voltage OH V Low Level Output Voltage OL I Input Current Max I Input Voltage I HIGH Level IH Input Current I LOW Level IL Input Current ...

Page 4

Functional Description The two 8-bit shift registers have a common clock input (pin 9) and separate clock inputs (pins 10 and 7) The clocking of each register is controlled by the OR function of the sep- arate and the common ...

Page 5

... Physical Dimensions inches (millimeters) 16-Lead Ceramic Dual-In-Line Package (J) Order Number 93L28DMQB NS Package Number J16A 5 ...

Page 6

... Italiano National does not assume any responsibility for use of any circuitry described no circuit patent licenses are implied and National reserves the right at any time without notice to change said circuitry and specifications Order Number 93L28FMQB NS Package Number W16A 2 A critical component is any component of a life ...

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