74HC/HCT194 4-bit bidirectional universal shift register
The Philips 74HC/HCT194 is a high-speed Si-gate CMOS integrated circuit designed for 4-bit bidirectional universal shift register applications. It is pin compatible with low power Schottky TTL (LSTTL) and complies with JEDEC standard no. 7A. The device supports shift-left and shift-right capabilities, as well as synchronous parallel and serial data transfer, making it easily expandable for various serial and parallel operations.
| Maximum clock frequency | 102 MHz (HC) |
|---|---|
| Input capacitance | 3.5 pF |
| Output capability | Standard |
| Icc category | MSI |
Yes, it is pin compatible with low power Schottky TTL (LSTTL).
The asynchronous master reset (MR) is active LOW and overrides all other input conditions.