DS9638CM National Semiconductor, DS9638CM Datasheet
DS9638CM
Manufacturer Part Number
DS9638CM
Description
RS422 Line Driver IC
Manufacturer
National Semiconductor
Specifications of DS9638CM
Device Type
Differential Line
No. Of Drivers
2
Driver Case Style
SOIC
No. Of Pins
8
Operating Temperature Range
0°C To +70°C
Termination Type
SMD
Propagation Delay
10ns
Supply Voltage Min
4.75V
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
DS9638CM
Manufacturer:
NS/国半
Quantity:
20 000
Part Number:
DS9638CMX
Manufacturer:
NS/国半
Quantity:
20 000
Company:
Part Number:
DS9638CMX/NOPB
Manufacturer:
NS
Quantity:
6 220
© 2004 National Semiconductor Corporation
DS9638
RS-422 Dual High Speed Differential Line Driver
General Description
The DS9638 is a Schottky, TTL compatible, dual differential
line driver designed specifically to meet the EIA Standard
RS-422 specifications. It is designed to provide unipolar
differential drive to twisted pair or parallel wire transmission
lines. The inputs are TTL compatible. The outputs are similar
to totem pole TTL outputs, with active pull-up and pull-down.
The device features a short circuit protected active pull-up
with low output impedance and is specified to drive 50Ω
transmission lines at high speed. The mini-DIP provides high
package density.
Connection Diagram
For Complete Military Product Specifications,
DS009622
Order Number DS9638CM or DS9638CN
See NS Package Number M08A or N08E
refer to the appropriate SMD or MDS.
See NS Package Number J08A
Order Number DS9638MJ/883
8-Lead DIP
Top View
Features
n Single 5V supply
n Schottky technology
n TTL and CMOS compatible inputs
n Output short circuit protection
n Input clamp diodes
n Complementary outputs
n Minimum output skew (
n 50 mA output drive capability for 50Ω transmission lines
n Meets EIA RS-422 specifications
n Propagation delay of less than 10 ns
n “Glitchless” differential output
n Delay time stable with V
n Extended temperature range
(
<
2.0 ns typical) (Figure 3)
00962201
<
CC
1.0 ns typical)
and temperature variations
www.national.com
May 1998
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