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7471

Features: `Basic machine-language instructions......................................71`Memory size ROM.....4096 bytes (M37471M2) RAM.........128 bytes (M37471M2)`The minimum instruction execution time........0.5s (at 8 MHz oscillation frequency)`Power source voltage........2.7 to 4.5 V (at 2.2VCC(...

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SeekIC No. : 004248535 Detail

7471: Features: `Basic machine-language instructions......................................71`Memory size ROM.....4096 bytes (M37471M2) RAM.........128 bytes (M37471M2)`The minimum instruction execution ti...

7471 Data Sheet

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Part Number:
7471
Supply Ability:
5000

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

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Product Details

Description



Features:

`Basic machine-language instructions......................................71
`Memory size          ROM.....4096 bytes (M37471M2)         RAM.........128 bytes (M37471M2)
`The minimum instruction execution time........0.5s (at 8 MHz oscillation frequency)
`Power source voltage........2.7 to 4.5 V (at 2.2VCC(R)C2.0 MHz oscillation frequency....4.5 to 5.5 V (at 8 MHz)oscillation frequency)
`Power dissipation in normal mode....................35 mW (at 8.0 MHz oscillation frequency)
Subroutine nesting......64 levels max. (M37470M2, M37471M2)
`Interrupt...........................................12 sources, 10 vectors
`8-bit timers...................................................................4
`Programmable I/O ports(Ports P0, P1, P2, P4)................22(7470 group)     28(7471 group)
`Input port(Port P3)..................4(7470 group)(Ports P3, P5)................8(7471 group)
`Serial I/O (8-bit)...................................................................1
`A-D converter...............................8-bit, 4channels (7470 group)8-bit, 8channels (7471 group)


Application

Audio-visual equipment, VCR, Tuner,Office automation equipment


Pinout

Connection Diagram


Specifications

Symbol
Parameter
Conditions
Ratings
Unit
VCC
VI
 Power source voltage
Input voltageXIN		 All voltages are based on VSS.
Output transistors are cut off.
-0.3 to 7
-0.3 to VCC +0.3
V
V
VI
 Input voltageP00-P7, P10-P7, P20-P3,
P30-P3, P40, P41, VREF, RESET
-0.3 to VCC +0.3
V
VO
 Output voltageP00-P7, P10-P7,P20-P3,
P40, P41, XOUT
-0.3 to VCC +0.3
V
Pd
Topr
Tstg
 Power dissipation
Operating temperature
Storage temperature		 Ta = 25
1000
-20 to 8
-40 to 15
mW




Description

The 7470/7471 group is a single-chip microcomputer designed with CMOS silicon gate technology. It is housed in a 32-pin shrink plastic molded DIP. The M37471M2-XXXSP/FP is a single-chip microcomputer designed with CMOS silicon gate technology. It is housed in a 42-pin shrink plastic molded DIP or a 56-pin plastic molded QFP.

These single-chip microcomputer are useful for business equipment and other consumer applications.

In addition to its simple instruction set, the ROM, RAM, and I/O addresses are placed on the same memory map to enable easy programming .

The differences between the M37471M2-XXXSP and the M37471M2-XXXFP are the package outline and the power dissipation ability (absolute maximum ratings).

The differences among M37470M2-XXXSP, M37470M4-XXXSP,M37470M8-XXXSP, M37471M2-XXXSP/FP, M37471M4-XXXSP/FP and M37471M8-XXXSP/FP are noted below.




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