SN75ALS121 driver equivalent, dual line driver.
Output short-circuit protection is provided by an internal clamping network that turns on when the output voltage drops.
The SN75ALS121 dual line driver is designed for digital data transmission over lines having impedances from 50 to 500 Ω. It is compatible with standard TTL logic and supply voltage levels.
D OR N PACKAGE (TOP VIEW)
1A 1B 1C 1D 1E 1F 1Y GND
1 2 3 4.
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