FBL22041

INTEGRATED CIRCUITS FBL22041 3.3V BTL 7-bit Futurebus + transceiver (standard A-port) Product specification Supersedes data of 1998 Feb 02 IC23 Data Handbook 1998 Aug 12 Philips Semiconductors Philips Semiconductors Product specification 3.3V BTL 7-bit Futurebus+ transceiver (standard A-port) FBL22041 FEATURES 7-bit BTL transceiver Separate I/O on TTL A-port Inverting Three separate pairs of driver enables in a 1 bit, 3 bit, 3 bit arrangement Drives heavily loaded backplanes with equivalent load impedances down to 10Ω. Tight output skew Supports live insertion Pins for the optional JTAG boundary scan function are provided High density packaging in plastic Quad Flatpack 5V compatible I/O on A-port The A port includes a series resistor of 30Ω making external terminating resistors unnecessary High drive 100mA BTL open collector drivers on B-port Allows incident wave switching in heavily loaded backplane buses Reduced BTL voltage swing produces less noise and reduces power consumption DESCRIPTION The FBL22041 is a 7-bit bidirectional BTL transceiver and is intended to provide the electrical interface to a high performance wired-OR bus. The FBL22041 is an inverting transceiver. The B-port drivers are Low-capacitance open collectors with controlled ramp and are designed to sink 100mA. Precision band gap references on the B-port insure very good noise margins by limiting the switching threshold to a narrow region centered at 1.55V. The FBL2204...