74ABT16952CMTD ,16-Bit Registered Transceiver with 3-STATE OutputsFeaturesThe ABT16952 is a 16-bit registered transceiver. Two 8-bit
74ABT16952CMTD
16-Bit Registered Transceiver with 3-STATE Outputs
74ABT16952 16-Bit Registered Transceiver with 3-STATE Outputs November 1993 Revised August 2001 74ABT16952 16-Bit Registered Transceiver with 3-STATE Outputs General Description Features The ABT16952 is a 16-bit registered transceiver. Two 8-bitSeparate clock, clock enable and 3-STATE output back to back registers store data flowing in both directions enable provided for each register between two bidirectional buses. Separate clock, clockA and B output sink capability of 64 mA source capability enable and 3-STATE output enable signals are provided for of 32 mA each register. The output pins are guaranteed to source Guaranteed latchup protection 32 mA and to sink 64 mA. High impedance glitch free bus loading during entire power up and power down cycle Nondestructive hot insertion capability Ordering Code: Order Number Package Number Package Description 74ABT16952CSSC MS56A 56-Lead Shrink Small Outline Package (SSOP), JEDEC MO-118, 0.300" Wide 74ABT16952CMTD MTD56 56-Lead Thin Shrink Small Outline Package (TSSOP), JEDEC MO-153, 6.1mm Wide Devices also available in Tape and Reel. Specify by appending the letter suffix “X” to the ordering code. Pin Descriptions Connection Diagram Pin Names Description A –A Data Register A Inputs/ 0 15 B-Register 3-STATE Outputs B –B Data Register B Inputs/ 0 15 A-Register 3-STATE Outputs CPAB , CPBA Clock Pulse Inputs n n CEA , CEB Clock Enable n n OEAB , OEBA Output Enable Inputs n n Output Control Internal OE Output Function Q H X Z Disable Outputs L L L Enable Outputs LH H Register Function Table (Applies to A or B Register) Inputs Internal Function DCP CE Q X X H NC Hold Data L L L Load Data H L H H = HIGH Voltage Level Z = HIGH Impedance L = LOW Voltage Level = LOW-to-HIGH Transition X = Immaterial NC = No Change © 2001 DS011647
