87C54 데이터 시트보기 (PDF) - Intel
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87C54 Datasheet PDF : 20 Pages
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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 ICC has been corrected to reflect test program conditions
4 Figure 6 ICC vs Frequency has been changed to reflect new ICC specifications
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 VIL IIL ITL and ICC DC Characteristics have been revised
5 AC and DC Characteristics are specified to g10% VCC revised from g20% VCC
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