87C54-20 Intel Corporation, 87C54-20 Datasheet - Page 20

• Manufacturer Part Number: 87C54-20
• Description: CHMOS SINGLE-CHIP 8-BIT MICROCONTROLLER WITH 16 KBYTES USER PROGRAMMABLE EPROM
• Manufacturer: Intel Corporation

AUTOMOTIVE 87C54 87C54-20
DATA SHEET REVISION HISTORY
The following are key differences between this data sheet and the -003 version of the data sheet
1 The data sheet has been revised to include the 20 MHz 87C54 The title was changed from 87C54 to
87C54 87C54-20
2 RST pin in Figure 3 has been changed to RESET pin
3 Max I
has been corrected to reflect test program conditions
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4 Figure 6 I
vs Frequency has been changed to reflect new I
specifications
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CC
5 87C54-20 A C Timings have been added to the External Memory Characteristics Table
The following are key differences between this data sheet and the -002 version of the data sheet
1 ‘‘NC’’ pin labels changed to ‘‘Reserved’’ in Figure 3
2 Capacitor value for ceramic resonators deleted in Figure 4
3 Replaced A0– A15 with P1 0 – P1 7 P2 0 – P2 5 (EPROM programming and verification waveforms)
4 Replaced D0 – D7 with P0 (EPROM programming and verification waveforms)
The following are the key differences between the -001 and the -002 versions of this data sheet
1 The RST description has been modified to clarify the reset operation when the oscillator is not running
2 Figure 4 (Oscillator Connections) has been changed for Ceramic Resonators
3 A description of RFI Reduction Mode has been added
4 V
I
I
and I
DC Characteristics have been revised
IL
IL
TL
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5 AC and DC Characteristics are specified to
10% V
revised from
20% V
g
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g
CC
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