Purchase HD404344R, In-stock HD404344R From SeekIC.
Part Number: HD404344R
Description: The HD404344R series and HD404394 series 4-bit microcomputers are products of the HMCS400 series, whic...
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HD404344R
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DataSheet
General Description
HD404344R General Description
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 includes the HD404344R 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 HD4074344 and HD4074394 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.
HD404344R Maximum Ratings
| 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 |
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 drain I/O with 15-mA high-current driver)
` Two timer/counters
-- One timer output
-- One event counter input (with programmable edge detection)
` 8-bit clock-synchronous serial interface (1 channel)
` On-chip A/D converter
-- HD404344R series, HD4074344: 8 bit ´ 4 channel
-- HD404394 series: 8 bit ´ 3 channel (with Vref pin)
` Built-in oscillator
-- HD404344R Series Ceramic oscillator, CR oscillation, External clock drive is also possible.
-- HD404394 Series, HD4074344 Ceramic oscillator, External clock drive is also possible.
` Five interrupt sources
-- One by external source (with programmable edge detection)
-- Four by internal sources
` Subroutine stack
-- Maximum 16 levels including interrupts
` Two low-power dissipation modes
-- Standby mode
-- Stop mode
` One input signal to return from stop mode
` Instruction cycle time
-- 1 s (fOSC = 4 MHz)
-- 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 input (with programmable edge detection)
` 8-bit clock-synchronous serial interface (1 channel)
` On-chip A/D converter
-- HD404344R series, HD4074344: 8 bit ´ 4 channel
-- HD404394 series: 8 bit ´ 3 channel (with Vref pin)
` Built-in oscillator
-- HD404344R Series Ceramic oscillator, CR oscillation, External clock drive is also possible.
-- HD404394 Series, HD4074344 Ceramic oscillator, External clock drive is also possible.
` Five interrupt sources
-- One by external source (with programmable edge detection)
-- Four by internal sources
` Subroutine stack
-- Maximum 16 levels including interrupts
` Two low-power dissipation modes
-- Standby mode
-- Stop mode
` One input signal to return from stop mode
` Instruction cycle time
-- 1 s (fOSC = 4 MHz)
HD404344R Connection Diagram
HD404019RFS
PDF/DataSheet Download
- Datasheet: HD404019RFS
- File Size: 218799 KB
- Manufacturer:
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