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Part Number: UPD7554A(A)
Description: The PD7554A is a product of the PD7554, 7564 sub-series which is a 4-bit single-chip microcomputer with a small number ...
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UPD7554A(A)
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General Description
UPD7554A(A) General Description
The PD7554A is a product of the PD7554, 7564 sub-series which is a 4-bit single-chip microcomputer with a small number of ports in a small package, which is enabled to operate even at the super-low voltage of 2.0 V so that it is optimized for handy-type systems operating with dry cells. The PD7554A is a low-order model in the UPD7500 series (UPD7554A only).
This device incorporates a serial interface, and serves as the sub-CPU for a high-order model of that series or the 8-bit microcomputer. It is optimized for distributed processing of the system.
UPD7554A(A) Maximum Ratings
|
Parameter |
Symbol |
Test Conditions |
Ratings |
Unit | |
| Supply Voltage |
VDD |
-0.3 to +7.0 |
V | ||
| Input Voltage |
VI
|
Except ports 10 and 11 |
0.3 to VDD + 0.3 |
V | |
| Ports 10 and 11 | Note 1 |
0.3 to VDD + 0.3 |
V | ||
| Note 2 |
0.3 to +11 |
V | |||
| Output Voltage | VO | Except ports 8, 10, 11 |
0.3 to VDD + 0.3 |
V | |
| Ports 8, 10 and 11 | Note 1 |
0.3 to VDD + 0.3 |
V | ||
| Note 2 |
0.3 to +11 |
V | |||
| Output current high | IOH | 1 pin |
5 |
mA | |
| All pins in total |
15 |
mA | |||
| Operating Temperature |
Topt |
10 to +70 |
°C | ||
| Storage Temperature |
Tstg |
-65 to +150 |
°C | ||
| Power consumption |
Pd |
Ta = 70 °C | Shrink DIP |
350 |
mW |
| Mini flat |
195 | ||||
UPD7554A(A) Features
* Range of supply voltage 7554A : 2.0 to 6.0 V
7554A(A) : 2.7 to 6.0 V
* Drive with two 1.5 V manganese cells
* 47 types of instructions (Subset of PD7500H SET B)
* Instruction cycle
External clock : 2.86 s (in operation at 700 kHz, 5 V)
RC oscillation : 4 s (in operation at 500 kHz, 5 V)
* Program memory (ROM) capacity: 1024 * 8 bits
* Data memory (RAM) capacity: 64 * 4 bits
* Test source: One external source and two internal sources
* 8-bit timer/event counter
* 16 I/O lines (Total output current of all pins: 100 mA)
* Can directly drive a triac and a LED: P80 to P83
* Can directly drive LEDs: P100 to P103 and P110 to P113
* Mask option function provided for every port
* 8-bit serial interface
* Standby (STOP/HALT) function
* Low supply voltage data retaining function for data memory
* Built-in ceramic oscillator for system clock RC
Oscillation with an external resistor R (Incorporat- ing capacitor C)
7554A(A) : 2.7 to 6.0 V
* Drive with two 1.5 V manganese cells
* 47 types of instructions (Subset of PD7500H SET B)
* Instruction cycle
External clock : 2.86 s (in operation at 700 kHz, 5 V)
RC oscillation : 4 s (in operation at 500 kHz, 5 V)
* Program memory (ROM) capacity: 1024 * 8 bits
* Data memory (RAM) capacity: 64 * 4 bits
* Test source: One external source and two internal sources
* 8-bit timer/event counter
* 16 I/O lines (Total output current of all pins: 100 mA)
* Can directly drive a triac and a LED: P80 to P83
* Can directly drive LEDs: P100 to P103 and P110 to P113
* Mask option function provided for every port
* 8-bit serial interface
* Standby (STOP/HALT) function
* Low supply voltage data retaining function for data memory
* Built-in ceramic oscillator for system clock RC
Oscillation with an external resistor R (Incorporat- ing capacitor C)
UPD7554A(A) Typical Application
Automotive and transportation equipments, etc.
UPD7554A(A) Connection Diagram
UPD100500D-15
PDF/DataSheet Download
- Datasheet: UPD100500D-15
- File Size: 101698 KB
- Manufacturer:
- Click here to Download
- ·UPD100500D-20
- x1 SRAM
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- ·UPD100504D-15
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- ·UPD10500D-15
- x1 SRAM
- 108645 KB
- ·UPD10500D-20
- x1 SRAM
- 108645 KB
- ·UPD10504D-15
- x4 SRAM
- 107973 KB
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- ·UPD120N15T1B-E1
- NEC [NEC]
- THREE-TERMINAL LOW-DROPOUT POSITIVE-VOLTAGE REGULATOR (OUTPUT CURRENT: 0.3 A)
- 161162 KB
UPD7554A(A) Relative Products
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The PD7554A is a product of the PD7554, 7564 sub-series which is a 4-bit single-chip microcomputer with a small number of ports in a small package, which is enabled to operate even at the super-low voltage of 2.0 V so that it is optimized for handy-type syst...
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