Description
The MC14C89AB and MC14C89B are designed to be
direct replacements for the MC1489A and MC1489. Both devices meet all EIA
232 specifications and also the faster EIA
562 and CCITT V.28 specifications.
Features
- Low Power Consumption.
- Meets EIA.
- 232.
- E, EIA.
- 562, and CCITT V.28 Recommendations.
- TTL/CMOS Compatible Outputs.
- Standard Power Supply: + 5.0 V ±10%.
- Pin Equivalent to MC1489, MC1489A, TI’s SN75C189/A, SN75189/A
and National Semiconductor’s DS14C89/A.
- External Filtering Not Required in Most Cases.
- Threshold Level Externally Adjustable.
- Hysteresis: 0.35 V for MC14C89B, 0.95 V for MC14C89AB.
- Ava.
MC14C89B-SYC.pdf
