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参数资料
| 型号： | BN87C51FC20 |
| 厂商： | INTEL CORP |
| 元件分类： | 微控制器/微处理器 |
| 英文描述： | 8-BIT, OTPROM, 20 MHz, MICROCONTROLLER, PQCC44 |
| 封装： | PLASTIC, LCC-44 |
| 文件页数： | 10/18页 |
| 文件大小： | 1527K |
| 代理商： | BN87C51FC20 |
AUTOMOTIVE 87C51FA/FB/FC/FC-20
DATA SHEET REVISION HISTORY
The following are key differences between this data sheet and the -003 revision of the data sheet
1. Product prefix variables are now indicated with an x.
DATA SHEET REVISION HISTORY
The following are key differences between this data sheet and the -002 revision of the data sheet:
1. The data sheet has been revised from the 87C51FB/87C51FC to the 87C51FA/87C51FB/87C51FC/
87C51FC-20 and includes the 20 MHz 87C51FC.
2. RST pin in Figure 3 has been changed to RESET pin.
3. Reference to Application Note AP-486 was added on page 5.
4. The ICC specification has been corrected in the D.C. Characteristics section.
5. The 20 MHz ICC max values have been added.
6. 20 MHz 87C51FC timings information were added to the External Program Memory Characteristics table.
DATA SHEET REVISION HISTORY
The following are key differences between this data sheet and the -001 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).
5. Combined the 87C51FB and 87C51FC data sheets.
The following are the key differences between the previous 87C51FB data sheet versions and this new data
sheet (rev-001):
1. The data sheet has been revised from a 83C51FB/87C51FB to an 87C51FB data sheet only.
2. The data sheet has been revised to specify AC and DC parameters to VCC = 5V ± 20% instead of VCC =
5V ± 10%.
3. The 87C51FB is now offered in a 3.5 MHz-20 MHz version.
4. The RST description has been modified to clarify the reset operation when the oscillator is not running.
5. Figure 4 (Oscillator Connections) has been changed for Ceramic Resonators.
6. A description of RFI Reduction Mode has been added.
7. VOH1, IIL, ITL and ICC DC Characteristics have been revised.
8. Note 1 of the DC Characteristics has been clarified.
9. The External Clock Drive diagram has been modified to include 16 MHz and 20 MHz device types.
10. The Float Waveforms diagram has been revised for greater clarity.
11. Table 4, EPROM Programming Modes, has been modified, included logic levels for P3.3 and three pro-
gram lock bits.
12. The Encryption Array section now states that six address lines are used to select a byte from the Encryp-
tion Array instead of five.
13. The IPP specification in the EPROM Programming and Verification Characteristics has been increased to
75 mA.
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