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参数资料
| 型号： | P87C42 |
| 厂商： | INTEL CORP |
| 元件分类： | 微控制器/微处理器 |
| 英文描述： | UNIVERSAL PERIPHERAL INTERFACE CHMOS 8-BIT SLAVE MICROCONTROLLER |
| 中文描述： | 8-BIT, OTPROM, 12.5 MHz, MICROCONTROLLER, PDIP40 |
| 封装： | PLASTIC, DIP-40 |
| 文件页数： | 22/25页 |
| 文件大小： | 345K |
| 代理商： | P87C42 |
UPI-C42/UPI-L42
WAVEFORMS
(Continued)
COMBINATION PROGRAM/VERIFY MODE
290414–25
NOTES:
1. A
0
must be held low (0V) during program/verify modes.
2. For V
IH
, V
IH1
, V
IL
, V
IL1
, V
DDH
, and V
DDL
, please consult the D.C. Characteristics Table.
3. When programming the 87C42, a 0.1
m
F capacitor is required across V
DD
and ground to suppress spurious voltage
transients which can damage the device.
VERIFY MODE
290414–26
NOTES:
1. PROG must float if EA is low.
2. PROG must float or
e
5V when EA is high.
3. P
10
–P
17
e
5V or must float.
4. P
24
–P
27
e
5V or must float.
5. A
0
must be held low during programming/verify modes.
22
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