CHAPTER 1. GENERAL

1.3DIFFERENCES BETWEEN μPD75402A AND μPD75402, 75P402

Table 1-1 shows the differences between the μPD75402A and the μPD75402, 75P402. Otherwise the μPD75402A and the μPD75402, 75P402 have the same functions and are pin-compatible.

Table 1-1 Differences Between μPD75402A and μPD75402, 75P402

Item

 

μPD75402A

 

μPD75402

μPD75P402

 

 

 

 

 

 

ROM configuration

 

Mask ROM

One-time PROM

 

 

 

 

 

 

 

 

Instruction

 

 

0.95, 1.91, 15.3 μs

 

1.91, 15.3 μs*

0.95, 1.91, 15.3 μs

execution time

 

(at 4.19 MHz operation)

 

(at 4.19 MHz operation)

(at 4.19 MHz operation)

 

 

 

 

 

Port 5’s pull-up resistor

 

Designatable to be built in by mask option

Not available

 

 

 

 

 

 

 

Pin

 

1-pin (SDIP)

 

NC

 

VPP

functions

 

 

 

 

 

 

 

 

30-pin (QFP)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Supply voltage

 

 

2.7 to 6.0 V

5 V ±10%

 

 

 

 

 

Operating

 

 

–40 to +85°C

–10 to +70°C

temperature range

 

 

 

 

 

 

 

 

 

 

 

Package

 

28-pin plastic DIP (600 mil)

 

 

 

 

 

28-pin plastic shrink DIP (400 mil)

 

 

 

 

44-pin plastic QFP ( ■ 10 mm)

 

 

 

 

 

 

 

 

 

*The μPD75402A has shortened the μPD75402’s minimum instruction execution time to 0.95 μs. For details, see 5.2.4 “Differences Between μPD75402A And μPD75402”.

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NEC PD75402A, PD75P402 user manual Vpp