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7704902PA Datasheet

  • 7704902PA

  • DUAL PERIPHERAL DRIVERS

  • 17頁

  • TI

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SN55451B, SN55452B, SN55453B, SN55454B
SN75451B, SN75452B, SN75453B, SN75454B
DUAL PERIPHERAL DRIVERS
SLRS021B 鈥?DECEMBER 1976 鈥?REVISED SEPTEMBER 1999
PERIPHERAL DRIVERS FOR
HIGH-CURRENT SWITCHING AT
VERY HIGH SPEEDS
D
D
D
D
D
D
D
D
D
Characterized for Use to 300 mA
High-Voltage Outputs
No Output Latch-Up at 20 V (After
Conducting 300 mA)
High-Speed Switching
Circuit Flexibility for Varied Applications
TTL-Compatible Diode-Clamped Inputs
Standard Supply Voltages
Plastic DIP (P) With Copper Lead Frame
Provides Cooler Operation and Improved
Reliability
Package Options Include Plastic
Small-Outline Packages, Ceramic Chip
Carriers, and Standard Plastic and Ceramic
300-mil DIPs
SUMMARY OF DEVICES
DEVICE
SN55451B
SN55452B
SN55453B
SN55454B
SN75451B
SN75452B
SN75453B
SN75454B
LOGIC OF
COMPLETE CIRCUIT
AND
NAND
OR
NOR
AND
NAND
OR
NOR
PACKAGES
FK, JG
JG
FK, JG
JG
D, P
D, P
D, P
D, P
SN55451B, SN55452B,
SN55453B, SN55454B . . . JG PACKAGE
SN75451B, SN75452B,
SN75453B, SN75454B . . . D OR P PACKAGE
(TOP VIEW)
1A
1B
1Y
GND
1
2
3
4
8
7
6
5
V
CC
2B
2A
2Y
SN55451B, SN55452B
SN55453B, SN55454B . . . FK PACKAGE
(TOP VIEW)
NC
1B
NC
1Y
NC
4
5
6
7
8
3 2 1 20 19
18
17
16
15
14
9 10 11 12 13
NC
1A
NC
VCC
NC
NC
2B
NC
2A
NC
NC 鈥?No internal connection
Copyright
漏
1999, Texas Instruments Incorporated
description
The SN55451B through SN55454B and SN75451B through SN75454B are dual peripheral drivers designed
for use in systems that employ TTL logic. This family is functionally interchangeable with and replaces the
SN75450 family and the SN75450A family devices manufactured previously. The speed of the devices is equal
to that of the SN75450 family, and the parts are designed to ensure freedom from latch-up. Diode-clamped
inputs simplify circuit design. Typical applications include high-speed logic buffers, power drivers, relay drivers,
lamp drivers, MOS drivers, line drivers, and memory drivers.
The SN55451B/SN75451B, SN55452B/SN75452B, SN55453B/SN75453B, and SN55454B/SN75454B are
dual peripheral AND, NAND, OR, and NOR drivers, respectively (assuming positive logic), with the output of
the logic gates internally connected to the bases of the npn output transistors.
The SN55鈥?drivers are characterized for operation over the full military range of 鈥?55擄C to 125擄C. The SN75鈥?/div>
drivers are characterized for operation from 0擄C to 70擄C.
PRODUCTION DATA information is current as of publication date.
Products conform to specifications per the terms of Texas Instruments
standard warranty. Production processing does not necessarily include
testing of all parameters.
POST OFFICE BOX 655303
鈥?/div>
DALLAS, TEXAS 75265
NC
GND
NC
2Y
NC
1

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