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SN74LS299DW Просмотр технического описания (PDF) - ON Semiconductor

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SN74LS299DW Datasheet PDF : 8 Pages
1 2 3 4 5 6 7 8
SN74LS299
8-Bit Shift/Storage Register
with 3-State Outputs
The SN74LS299 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 and flip-flop outputs are multiplexed to
reduce the total number of package pins. Separate outputs are provided
for flip-flops Q0 and Q7 to allow easy cascading. A separate active
LOW Master Reset is used to reset the register.
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
Cascading
3-State Outputs for Bus Oriented Applications
Input Clamp Diodes Limit High-Speed Termination Effects
ESD > 3500 Volts
GUARANTEED OPERATING RANGES
Symbol
Parameter
Min Typ Max Unit
VCC
TA
Supply Voltage
Operating Ambient
Temperature Range
4.75 5.0 5.25
V
0
25
70
°C
IOH
Output Current – High
Q0, Q7
IOL
Output Current – Low
Q0, Q7
IOH
Output Current – High
I/O0 – 1/O7
IOL
Output Current – Low
I/O0 – 1/O7
–0.4 mA
8.0
mA
–2.6 mA
24
mA
20
1
http://onsemi.com
LOW
POWER
SCHOTTKY
MARKING
DIAGRAMS
SN74LS299N
AWLYYWW
1
PDIP–20
N SUFFIX
CASE 738
20
1
LS299
AWLYYWW
1
SOIC–20
DW SUFFIX
CASE 751D
A = Assembly Location
WL = Wafer Lot
YY = Year
WW = Work Week
ORDERING INFORMATION
Device
Package
Shipping
SN74LS299N
PDIP–20 1440 Units/Box
SN74LS299DW SOIC–WIDE 38 Units/Rail
SN74LS299DWR2 SOIC–WIDE 2500/Tape & Reel
© Semiconductor Components Industries, LLC, 2001
1
October, 2001 – Rev. 8
Publication Order Number:
SN74LS299/D

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