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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...

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SeekIC No. : 004360076 Detail

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 ...

HD404344R Data Sheet

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Part Number:
HD404344R
Supply Ability:
5000

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  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Product Details

Description



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)


Pinout

Connection Diagram


Specifications

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



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 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.




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