(China (Mainland))
Product Summary
The HD4074008F is a ZTA microcomputer incorporating 8K words of programmable ROM and 512 digits of RAM. The HD4074008F is a COMS 4-bit single-chip HMCS400-series microcomputer providing high programming productivity, high-speed operation, and low power dissipation.
Parametrics
HD4074008F absolute maximum ratings: (1) (1) Supply Voltage Vcc: -0.3 to +7.0V; (2) Programming voltage Vpp: -0.3 to +14V; (3) Pin voltage VT: -0.3 to Vcc +0.3V; (4) Total permissible input current: 50mA; (5) Maximum input current Io: 15mA; (6) Maximum output current -Io: 4mA, 6mA, 30mA; (7) Total permissible output current: 150mA; (8) Storage temperature Tstg: -55 to +125°C.
Features
HD4074008F features: (1) 8,192-word×10-bit PROM (programming compatible with the 27256 ROM) ; (2) 512-digit×4-bit RAM; (3) 58 I/O lines including 12 high-current type pins of open drain; (4) Two timer/counters; (5) five interrupts sources; (6) on-chip oscillator: crystal or ceramic filter (also externally drivable) .
Diagrams
