87C52 查看數據表（PDF） - Philips Electronics

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87C52

80C51 8-bit microcontroller family 4K/8K/16K/32K ROM/OTP 128B/256B RAM low voltage 2.7 to 5.5 V/ low power/ high speed 30/33 MHz

Philips Electronics 

Philips Semiconductors

80C51 8-bit microcontroller family

4K/8K/16K/32K ROM/OTP, low voltage (2.7 to 5.5 V),

low power, high speed (30/33 MHz)

Preliminary data

80C3xX2; 80C5xX2;

87C5xX2

PART NUMBER DERIVATION

Memory

P87C51X2

7 = OTP

0 = ROM or

ROMless

5 = ROM/OTP

3 = ROMless

1 = 128 BYTES RAM

4 KBYTES ROM/OTP

2 = 256 BYTES RAM

8 KBYTES ROM/OTP

4 = 256 BYTES RAM

16 KBYTES ROM/OTP

8 = 256 BYTES RAM

32 KBYTES ROM/OTP

Temperature Range

B = 0 °C TO +70 °C

F = –40 °C TO +85 °C

Package

A = PLCC

N = DIP

The following table illustrates the correlation between operating mode, power supply and maximum external clock frequency:

Operating Mode

Power Supply

Maximum Clock Frequency

6-clock

5 V ± 10%

30 MHz

6-clock

2.7 V to 5.5 V

16 MHz

12-clock

5 V ± 10%

33 MHz

12-clock

2.7 V to 5.5 V

16 MHz

2001 Sep 24

5

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