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74HC652

Philips
Part Number 74HC652
Manufacturer Philips
Description Octal bus transceiver/register
Published May 28, 2005
Detailed Description INTEGRATED CIRCUITS DATA SHEET For a complete data sheet, please also download: • The IC06 74HC/HCT/HCU/HCMOS Logic Fam...
Datasheet PDF File 74HC652 PDF File

74HC652
74HC652

Overview
INTEGRATED CIRCUITS DATA SHEET For a complete data sheet, please also download: • The IC06 74HC/HCT/HCU/HCMOS Logic Family Specifications • The IC06 74HC/HCT/HCU/HCMOS Logic Package Information • The IC06 74HC/HCT/HCU/HCMOS Logic Package Outlines 74HC/HCT652 Octal bus transceiver/register; 3-state Product specification File under Integrated Circuits, IC06 September 1993 Philips Semiconductors Product specification Octal bus transceiver/register; 3-state FEATURES • Multiplexed real-time and stored data • Independent register for A and B buses • Independent enables for A and B buses • 3-state • Output capability: Bus driver • Low power consumption by CMOS technology • ICC category: MSI.
APPLICATIONS • Bus interfaces.
DESCRIPTION The 74HC/HCT652 are high-speed SI-gate CMOS devices and are pin compatible with Low power Schottky TTL (LSTTL).
They are specified in compliance with Jedec standard no.
7A.
The 74HC/HCT652 consist of 8 non-inverting bus transceiver circuits with 3-state outputs, D-type flip-flops and central circuitry arranged for multiplexed transmission of data directly from the data bus or from the internal storage registers.
Data on the “A” or “B” or both buses, will be stored in the internal registers, at the appropriate clock pins (CPAB or CPBA) regardless of the select pins (SAB and SBA) or output enable (OEAB and OEBA) control pins.
Depending on the select inputs SAB and SBA data can directly go from input to output (real time mode) or data can be controlled by the clock (storage mode), this is when the output enable pins this operating mode permits.
The output enable pins OEAB and OEBA determine the operation mode of the transceiver.
When OEAB is LOW, no data transmission from An to Bn is 74HC/HCT652 possible and when OEBA is HIGH, there is no data transmission from Bn to An possible.
When SAB and SBA are in the real time transfer mode, it is also possible to store data without using the internal D-type flip-flops by simultaneously enabling OEAB a...


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