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參數(shù)資料
| 型號(hào)： | μA9638C |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | Dual High Speed Differential Line Driver(雙路高速差分線驅(qū)動(dòng)器) |
| 中文描述： | 雙路高速差分線路驅(qū)動(dòng)器（雙路高速差分線驅(qū)動(dòng)器） |
| 文件頁(yè)數(shù)： | 1/5頁(yè) |
| 文件大小： | 101K |
| 代理商： | ΜA9638C |
uA9638C
DUAL HIGH-SPEED DIFFERENTIAL LINE DRIVER
SLLS112C – OCTOBER 1980 – REVISED APRIL 1994
Copyright
1994, Texas Instruments Incorporated
2–1
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
Meets or Exceeds ANSI Standard
EIA/TIA-422-B
Operates From a Single 5-V Power Supply
Drives Loads as Low as 50
up
to 15 Mbps
TTL- and CMOS-Input Compatibility
Output Short-Circuit Protection
Interchangeable With National
Semiconductor
DS9638
description
The uA9638C is a dual high-speed differential line
driver designed to meet ANSI Standard
EIA/TIA-422-B. The inputs are TTL and CMOS
compatible and have input clamp diodes.
Schottky-diode-clamped transistors are used to
minimize propagation delay time. This device
operates from a single 5-V power supply and is
supplied in an 8-pin package.
The uA9638 provides the current needed to drive
low-impedance loads at high speeds. Typically
used with twisted-pair cabling and differential
receiver(s), base-band data transmission can be
accomplished up to and exceeding 15 Mbps in
properly designed systems. The uA9637A dual line receiver is commonly used as the receiver. For even faster
switching speeds in the same pin configuration, see the SN75ALS191.
The uA9638C is characterized for operation from 0
°
C to 70
°
C.
schematics of inputs and outputs
VCC
EQUIVALENT OF EACH INPUT
TYPICAL OF ALL OUTPUTS
Input
4 k
NOM
VCC
Output
GND
9.6
NOM
1
2
3
4
8
7
6
5
V
CC
1A
2A
GND
1Y
1Z
2Y
2Z
D OR P PACKAGE
(TOP VIEW)
logic symbol
This symbol is in accordance with ANSI/IEEE Std 91-1984 and
IEC Publication 617-12.
2A
1A
5
6
7
8
2Z
2Y
1Z
1Y
3
2
logic diagram
2Z
2Y
1Z
1Y
3
2
2A
1A
5
6
7
8
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.
National Semiconductor is a trademark of National Semiconductor Corporation.
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