SN74LS299 Motorola, SN74LS299 Datasheet

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SN74LS299

Manufacturer Part Number
SN74LS299
Description
8-BIT SHIFT/STORAGE REGISTER WITH 3-STATE OUTPUTS
Manufacturer
Motorola
Datasheet
1.SN74LS299.pdf (7 pages)

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Part Number:
SN74LS299J
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Part Number:
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Meier Automation Equipment Co., Limited Meier Automation Equipment Co., Limited
Part Number:
SN74LS299N
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20 000
8-BIT SHIFT/STORAGE REGISTER
WITH 3-STATE OUTPUTS
3-state outputs. Four modes of operation are possible: hold (store), shift left,
shift right and load data.
total number of package pins. Separate outputs are provided for flip-flops Q 0
and Q 7 to allow easy cascading. A separate active LOW Master Reset is used
to reset the register.
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) Temperature Ranges.
c) The Output LOW drive factor is 7.5 U.L for Military (54) and 15 U.L. for Commercial (74). The Output HIGH drive factor is 25 U.L. for Military (54) and 65 U.L. for
PIN NAMES
CP
DS0
DS7
I/O n
OE 1 , OE 2
Q 0 , Q 7
MR
S 0 , S 1
Commercial (74) Temperature Ranges.
The SN54 / 74LS299 is an 8-Bit Universal Shift / Storage Register with
The parallel load inputs and flip-flop outputs are multiplexed to reduce the
Common I/O for Reduced Pin Count
Four Operation Modes: Shift Left, Shift Right, Load and Store
Separate Shift Right Serial Input and Shift Left Serial Input for Easy
3-State Outputs for Bus Oriented Applications
Input Clamp Diodes Limit High-Speed Termination Effects
ESD > 3500 Volts
Cascading
V
20
S
CC
1
0
OE
S
19
2
1
1
D
OE
18
3
s7
CONNECTION DIAGRAM DIP (TOP VIEW)
2
I/O
17
Q
4
7
6
Clock Pulse (active positive-going edge) Input
Serial Data Input for Right Shift
Serial Data Input for Left Shift
Parallel Data Input or
Parallel Output (3-State) (Note c)
3-State Output Enable (active LOW) Inputs
Serial Outputs (Note b)
Asynchronous Master Reset (active LOW) Input
Mode Select Inputs
I/O
I/O
16
5
7
4
I/O
15
I/O
6
5
2
I/O
14
I/O
7
3
0
I/O
13
Q
8
0
1
MR
12
CP
9
GND
DS
10
11
FAST AND LS TTL DATA
0
NOTE:
The Flatpak version
has the same pinouts
(Connection Diagram) as
the Dual In-Line Package.
5-479
8-BIT SHIFT/STORAGE REGISTER
20
20
1
65 (25) U.L.
20
SN54/74LS299
WITH 3-STATE OUTPUTS
1
ORDERING INFORMATION
LOW POWER SCHOTTKY
HIGH
SN54LSXXXJ
SN74LSXXXN
SN74LSXXXDW SOIC
0.5 U.L.
0.5 U.L.
0.5 U.L.
0.5 U.L.
0.5 U.L.
0.5 U.L.
10 U.L.
1 U.L.
1
LOADING (Note a)
Ceramic
Plastic
15 (7.5) U.L.
CASE 751D-03
5 (2.5) U.L.
CASE 732-03
CASE 738-03
DW SUFFIX
0.25 U.L.
0.25 U.L.
0.25 U.L.
0.25 U.L.
0.25 U.L.
0.25 U.L.
CERAMIC
N SUFFIX
LOW
J SUFFIX
PLASTIC
0.5 U.L.
SOIC

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SN74LS299 Summary of contents

Page 1

SHIFT/STORAGE REGISTER WITH 3-STATE OUTPUTS The SN54 / 74LS299 is an 8-Bit Universal Shift / Storage Register with 3-state outputs. Four modes of operation are possible: hold (store), shift left, shift right and load data. The parallel load inputs ...

Page 2

CLOCK CLR CLR I/O I INPUTS ...

Page 3

DC CHARACTERISTICS OVER OPERATING TEMPERATURE RANGE Symbol Symbol Parameter Parameter V IH Input HIGH Voltage Input LOW Voltage Input LOW Voltage V IK Input Clamp Diode Voltage Output HIGH Voltage Output HIGH Voltage ...

Page 4

AC CHARACTERISTICS ( 5.0 V) Symbol Symbol Parameter Parameter f MAX Maximum Clock Frequency t PHL Propagation Delay, Clock t PLH Propagation Delay, Clear t PHL to ...

Page 5

V IN 1 PLH 1 OUT Figure 1 PZL t PLZ V OUT 1.5 V 0.5 V Figure ...

Page 6

0.25 (0.010 Case 732-03 J Suffix 20-Pin Ceramic Dual In-Line ...

Page 7

... 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 the application or use of any product or circuit, and specifically disclaims any and all liability, including without limitation consequential or incidental damages. “Typical” parameters can and do vary in different applications. All operating parameters, including “ ...

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