HEF4015BT NXP

HEF4015B Dual 4-bit static shift register Rev. 8 21 November 2011 Product data sheet 1. General description The HEF4015B is a dual edge-triggered 4-bit static shift register (serial-to-parallel converter). Each shift register has a serial data input (D), a clock input (CP), four fully buffered parallel outputs (Q0 to Q3) and an overriding asynchronous master reset input (MR). Information present on D is shifted to the first register position, and all the data in the register is shifted one position to the right on the LOW-to-HIGH transition of CP. A HIGH on MR clears the register and forces Q0 to Q3 to LOW, independent of CP and D. The clock inputs Schmitt trigger action makes the input highly tolerant of slower clock rise and fall times. It operates over a recommended V power supply range of 3 V to 15 V referenced to V DD SS (usually ground). Unused inputs must be connected to V , V , or another input. DD SS 2. Features and benefits Tolerant of slow clock rise and fall times 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. Applications Serial-to-parallel converter Buffer stores General purpose register 4. Ordering information Table 1. Ordering information All types operate from 40 C to +85 C. Type number Package Name Description Version HEF4015BP DIP16 plastic dual in-line package; 16 leads (300 mil) SOT38-4 HEF4015BT SO16 plastic small outline package; 16 leads; body width 3.9 mm SOT109-1HEF4015B NXP Semiconductors Dual 4-bit static shift register 5. Functional diagram 1Q0 5 7 1D 1Q1 4 SHIFT REGISTER 1Q2 3 4 BITS 9 1CP 1Q3 10 6 1MR 2Q0 13 15 2D 2Q1 12 SHIFT REGISTER 2Q2 11 4 BITS 1 2CP 2Q3 2 14 2MR 001aae560 Fig 1. Functional diagram Q0 Q1 Q2 Q3 D DQ DQ DQ DQ FF 1 FF 2 FF 3 FF 4 CP CP CP CP CD CD CD CD CP MR 001aae562 Fig 2. Logic diagram for one register HEF4015B All information provided in this document is subject to legal disclaimers. NXP B.V. 2011. All rights reserved. Product data sheet Rev. 8 21 November 2011 2 of 15