Single Item, Package of 1.

New old stock (NOS), unused, genuine part: Texas Instruments SN751121N Dual Line Driver, PDIP-16

Manufacturer: Texas Instruments
Manufacturer Part Number: SN75121N
75 Series Part: 75121
Product Category: Logic ICs, Buffers & Line Drivers
Function: Line Transmitter
Number of Channels: 2
Number of Input Lines: 2 Input
Number of Output Lines: 2 Output
Supply Voltage - Min: 4.75 V
Supply Voltage - Max: 5.25 V
Package / Case: PDIP-16, Plastic
RoHS: NO
Packaging: Anti-Static

Features
■ Designed for Digital Data Transmission Over 50-Ω to 500-Ω Coaxial Cable, Strip Line, or Twisted Pair
■ High Speed tpd = 20 ns Maximum at CL = 15 pF
■ TTL Compatible With Single 5-V Supply
■ 2.4-V Output at IOH = –75 mA
■ Uncommitted Emitter-Follower Output Structure for Party-Line Operation
■ Short-Circuit Protection
■ AND-OR Logic Configuration
■ Designed for Use With Triple Line Receivers SN55122, SN75122
■ Designed to Be Interchangeable With Signetics N8T13

Description
The SN75121 dual line drivers are designed for digital data transmission over lines having impedances from 50 to 500 Ω. They are also compatible with standard TTL logic and supply-voltage levels. The low-impedance emitter-follower outputs of the SN75121 can drive terminated lines such as coaxial cable or twisted pair. Having the outputs uncommitted allows wired-OR logic to be performed in party-line applications. Output short-circuit protection is provided by an internal clamping network that turns on when the output voltage drops below approximately 1.5 V. All of the inputs are in conventional TTL configuration and the gating can be used during power-up and power-down sequences to ensure that no noise is introduced to the line. The SN75121 is characterized for operation from 0°C to 70°C.