sn74ls194n Freescale Semiconductor, Inc, sn74ls194n Datasheet

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sn74ls194n

Manufacturer Part Number
sn74ls194n
Description
4-bit Bidirectional Universal Shift Register
Manufacturer
Freescale Semiconductor, Inc
Datasheet
1.SN74LS194N.pdf (6 pages)
4-BIT BIDIRECTIONAL
UNIVERSAL SHIFT REGISTER
Register. As a high speed multifunctional sequential building block, it is useful
in a wide variety of applications. It may be used in serial-serial, shift left, shift
right, serial-parallel, parallel-serial, and parallel-parallel data register trans-
fers. The LS194A is similar in operation to the LS195A Universal Shift
Register, with added features of shift left without external connections and
hold (do nothing) modes of operation. It utilizes the Schottky diode clamped
process to achieve high speeds and is fully compatible with all Motorola TTL
families.
NOTES:
a. 1 TTL Unit Load (U.L.) = 40 A HIGH/1.6 mA LOW.
b. The Output LOW drive factor is 2.5 U.L. for Military (54) and 5 U.L. for Commercial (74)
b.
PIN NAMES
S 0 , S 1
P 0 – P 3
D SR
D SL
CP
MR
Q 0 – Q 3
Temperature Ranges.
The SN54 / 74LS194A is a High Speed 4-Bit Bidirectional Universal Shift
Typical Shift Frequency of 36 MHz
Asynchronous Master Reset
Hold (Do Nothing) Mode
Fully Synchronous Serial or Parallel Data Transfers
Input Clamp Diodes Limit High Speed Termination Effects
Mode Control Inputs
Parallel Data Inputs
Serial (Shift Right) Data Input
Serial (Shift Left) Data Input
Clock (Active HIGH Going Edge) Input
Master Reset (Active LOW) Input
Parallel Outputs (Note b)
CONNECTION DIAGRAM DIP (TOP VIEW)
V CC
MR
16
1
D SR
Q 0
15
2
Q 1
14
P 0
3
Q 2
13
P 1
4
Q 3
12
P 2
5
CP
P 3
11
6
FAST AND LS TTL DATA
S 1
D SL GND
10
7
0.5 U.L.
0.5 U.L.
0.5 U.L.
0.5 U.L.
0.5 U.L.
0.5 U.L.
HIGH
10 U.L.
LOADING (Note a)
S 0
9
8
5-360
5 (2.5) U.L.
LOW
0.25 U.L.
0.25 U.L.
0.25 U.L.
0.25 U.L.
0.25 U.L.
0.25 U.L.
UNIVERSAL SHIFT REGISTER
SN54/74LS194A
16
16
ORDERING INFORMATION
16
1
4-BIT BIDIRECTIONAL
1
LOW POWER SCHOTTKY
SN54LSXXXJ
SN74LSXXXN
SN74LSXXXD
1
Ceramic
Plastic
SOIC
CASE 751B-03
CASE 620-09
CASE 648-08
CERAMIC
N SUFFIX
D SUFFIX
J SUFFIX
PLASTIC
SOIC

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sn74ls194n Summary of contents

Page 1

BIDIRECTIONAL UNIVERSAL SHIFT REGISTER The SN54 / 74LS194A is a High Speed 4-Bit Bidirectional Universal Shift Register high speed multifunctional sequential building block useful in a wide variety of applications. It may be used in ...

Page 2

LOGIC DIAGRAM PIN 16 GND = PIN 8 = PIN NUMBERS CLEAR FUNCTIONAL DESCRIPTION The Logic Diagram and ...

Page 3

GUARANTEED OPERATING RANGES Symbol Parameter V CC Supply Voltage T A Operating Ambient Temperature Range I OH Output Current — High I OL Output Current — Low DC CHARACTERISTICS OVER OPERATING TEMPERATURE RANGE Symbol Symbol Parameter Parameter V IH Input ...

Page 4

AC SETUP REQUIREMENTS ( Symbol Symbol Parameter Parameter t W Clock or MR Pulse Width t s Mode Control Setup Time t s Data Setup Time t h Hold time, Any Input t rec Recovery Time ...

Page 5

G - 0.25 (0.010 - SEATING -T- PLANE 0.25 (0.010) ...

Page 6

Motorola reserves the right to make changes without further notice to any products herein. Motorola makes no warranty, representation or guarantee regarding the suitability of its products for any particular purpose, nor does Motorola assume any liability arising out of ...

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