HEF4557B - nexperia

HEF4557B 1-to-64 bit variable length shift register

The HEF4557B is a static clocked serial shift register whose length may be programmed to be any number of bits between 1 and 64. The number of bits selected is equal to the sum of the subscripts of the enabled length control inputs (L1, L2, L4, L8, L16, and L32) plus one. Serial data may be selected from the DA or DB data inputs with the A/B select input. T.

Features

 Fully static operation
 5 V, 10 V, and 15 V parametric ratings
 Standardized symmetrical output characteristics
 Specified from 40 C to +85 C
 Complies with JEDEC standard JESD 13-B 3. Ordering information Table 1. Ordering information All types operate from 40 C to +85 C Type number Package Name Description HEF4557BT SO16 plastic small outline package; 16 leads; body width 3.9 mm Version SOT109-1 Nexperia 4. Functional diagram HEF4557B Product data sheet xxxx xxxxxxxxxxxxxxxxxxxxxxxxxxxxxx x xxxxxxxxxxxxxx xxxxxxxxxx xxx xxxxxx xxxxxxxxxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxx.