(Hong Kong)
Product Summary
The M66500FP is a large-scale integrated circuit chip for programmable high-speed I/O intergace, manufactures using a Bi-CMOS process and is suitable for 8-and 16-bit high speed CPU I/O ports. The M66500FP is oprated by a single 5V power supply and consists of three sets of 8-bit I/O ports, twp sets of 8-bit high-withstand voltage output-only ports, and one 4-bit input-only port. The applications of the M66500FP include I/O port expander for microprocessors.
Parametrics
M66500FP absolute maximum ratings: (1)VCC, supply voltage: -0.3 to 7V; (2)VI, input voltage: -0.3 to VCC+0.3V; (3)VO, output voltage: -0.3 to VCC+0.3V; (4)Pd, power dissipation: 1.4W; (5)Tstg, storage temperature: -85 to 150℃.
Features
M66500FP features: (1)I/O expandable up to 44 bits; (2)no wait direct connection with 12MHz CPU; (3)output pattern wirte in the input mode; (4)output pin state read from CPU; (5)transistor array drive; (6)16 bit high withstand voltage output only port, 35V and 48mA; (7)TTL input level at CPU side pin; (8)CMOS level schmitt trigger input for I/O pin.
Diagrams
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