Features: ` Input/output pins-- HD404344R series, HD4074344: 22 pins (10pins: Large-current I/O pins)-- HD404394 series: 21 pins (3 pins: intermediate-voltage NMOS open drain I/O; 5 pins: NMOS open drain I/O with 15-mA high-current driver)` Two timer/counters-- One timer output-- One event counter...
HD404344R: Features: ` Input/output pins-- HD404344R series, HD4074344: 22 pins (10pins: Large-current I/O pins)-- HD404394 series: 21 pins (3 pins: intermediate-voltage NMOS open drain I/O; 5 pins: NMOS open ...
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Features: ` 16,384-word* 10-bit ROM- Mask ROM: HD404019R, HD40L4019R- PROM: HD4074019, HD407L4019`...
Features: ` 16,384-word* 10-bit ROM- Mask ROM: HD404019R, HD40L4019R- PROM: HD4074019, HD407L4019`...
Item | Symbol | Value | Unit | Notes |
Supply voltage |
VCC | 0.3 to +7.0 | V | |
Programming voltage |
VPP | 0.3 to +14.0 | V | 1 |
Pin voltage |
VT | 0.3 to VCC + 0.3 | V | 2 |
0.3 to +15.0 | V | 3 | ||
Total permissible input current |
IO | 100 | mA | 4 |
Total permissible output current |
IO | 30 | mA | 5 |
Maximum input current | IO | 30 | mA | 6.7 |
4 | mA | 6.8 | ||
Maximum output current | IO | 4 | mA | 9 |
Operating temperature | Topr | 20 to +75 | °C | 10 |
Storage temperature | Tstg | 55 to +125 | °C | 11 |
The HD404344R series and HD404394 series 4-bit microcomputers are products of the HMCS400 series, which is designed to make application systems compact while realizing higher performance and increasing program productivity.
Each microcomputer has an A/D converter, two timers and a serial interface. The HD404344R series and HD404394 series with on-chip 4-kword ROM, HD404342R with 2-kword ROM, and HD404341R with 1-kword ROM. The HD404394 series includes the HD404394 with on-chip 4-kword ROM, HD404392 with 2-kword ROM, and HD404391 with 1-kword ROM.
The HD404344R series and HD404394 series are the PROM version ZTATTM microcomputers. Programs can be written to the PROM by a PROM writer, which can dramatically shorten system development periods and smooth the process from debugging to mass production. (The PROM program specifications are the same as for the 27256.)ZTATTM: Zero Turn Around Time ZTAT is a Trademark of Hitachi Ltd.