SN74ABTE16246

SN74ABTE16246 11-BIT INCIDENT-WAVE SWITCHING BUS TRANSCEIVER WITH 3-STATE AND OPEN-COLLECTOR OUTPUTS SCBS227J – JULY 1993 – REVISED AUGUST 2003 D Member of the Texas Instruments Widebus Family DGG OR DL PACKAGE (TOP VIEW) D Supports the VME64 ETL Specification D Reduced TTL-Compatible Input Threshold Range D High-Drive Outputs (IOH = –60 mA, IOL = 90 mA) Support Equivalent 25-Ω Incident-Wave Switching D VCCBIAS Pin Minimizes Signal Distortion During Live Insertion 11OE 1 11DIR 2 11B 3 GND 4 10B 5 9B 6 VCC 7 8BI 8 48 VCCBIAS 47 11A 46 10DIR 45 GND 44 10A 43 9A 42 VCC 41 9DIR D Internal Pullup Resistor on OE Keeps Outputs in High-Impedance State During Power Up or Power Down D Distributed VCC and GND Pins Minimize High-Speed Switching Noise D Equivalent 25-Ω Series Damping Resistor on B Port D Bus Hold on Data Inputs Eliminates the Need for External Pullup/Pulldown Resistors 8BO 9 GND 10 7BO 11 6BI 12 6BO 13 5BO 14 GND 15 4BO 16 4BI 17 VCC 18 3BO 19 40 8A 39 GND 38 7A 37 7BI 36 6A 35 5A 34 GND 33 5BI 32 4A 31 VCC 30 3A description/ordering information 2BI 20 GND 21 29 3BI 28 GND The SN74ABTE16246 is an 11-bit noninverting transceiver designed for asynchronous two-way communication between buses. This device has 2BO 22 1BO 23 1BI 24 27 2A 26 1A 25 OE open-collector and 3-state outputs. The device allows data transmission from the A bus to the B bus or from the B bus to the A bus, depending on the logic level at the direction-control (DIR) input. The output-enab...