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SN54LS195A Datasheet(PDF) 1 Page - Motorola, Inc

Part No. SN54LS195A
Description  UNIVERSAL 4-BIT SHIFT REGISTER
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Manufacturer  MOTOROLA [Motorola, Inc]
Direct Link  http://www.freescale.com
Logo MOTOROLA - Motorola, Inc

SN54LS195A Datasheet(HTML) 1 Page - Motorola, Inc

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FAST AND LS TTL DATA
UNIVERSAL 4-BIT
SHIFT REGISTER
The SN54 / 74LS195A is a high speed 4-Bit Shift Register offering typical
shift frequencies of 39 MHz. It is useful for a wide variety of register and
counting applications. It utilizes the Schottky diode clamped process to
achieve high speeds and is fully compatible with all Motorola TTL products.
Typical Shift Right Frequency of 39 MHz
Asynchronous Master Reset
J, K Inputs to First Stage
Fully Synchronous Serial or Parallel Data Transfers
Input Clamp Diodes Limit High Speed Termination Effects
CONNECTION DIAGRAM DIP (TOP VIEW)
NOTE:
The Flatpak version
has the same pinouts
(Connection Diagram) as
the Dual In-Line Package.
14
13
12
11
10
9
1
2
3
4
5
6
7
16
15
8
VCC
MR
Q0
Q1
Q2
Q3
CP
Q3
PE
J
K
P0
P1
P2
P3 GND
PIN NAMES
LOADING (Note a)
HIGH
LOW
PE
Parallel Enable (Active LOW) Input
0.5 U.L.
0.25 U.L.
P0 – P3
Parallel Data Inputs
0.5 U.L.
0.25 U.L.
J
First Stage J (Active HIGH) Input
0.5 U.L.
0.25 U.L.
K
First Stage K (Active LOW) Input
0.5 U.L.
0.25 U.L.
CP
Clock (Active HIGH Going Edge) Input
0.5 U.L.
0.25 U.L.
MR
Master Reset (Active LOW) Input
0.5 U.L.
0.25 U.L.
Q0 – Q3
Parallel Outputs (Note b)
10 U.L.
5 (2.5) U.L.
Q3
Complementary Last Stage Output (Note b)
10 U.L.
5 (2.5) U.L.
NOTES:
a. 1 TTL Unit Load (U.L.) = 40
µA 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. Temperature Ranges.
SN54/74LS195A
UNIVERSAL 4-BIT
SHIFT REGISTER
LOW POWER SCHOTTKY
J SUFFIX
CERAMIC
CASE 620-09
N SUFFIX
PLASTIC
CASE 648-08
16
1
16
1
ORDERING INFORMATION
SN54LSXXXJ
Ceramic
SN74LSXXXN
Plastic
SN74LSXXXD
SOIC
16
1
D SUFFIX
SOIC
CASE 751B-03
LOGIC SYMBOL
2
10
3
4 5 6 7
11
12
13
14
15
1
9
J
PE
CP
K MR
P0 P1 P2 P3
Q0 Q1 Q2 Q3
Q3
VCC = PIN 16
GND = PIN 8


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