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PIC16C62B-04E/SO 其他数据使用手册 - Microchip（微芯）
制造商:
Microchip（微芯）
分类:
微控制器
封装:
SOIC-28
描述:
28引脚8位CMOS微控制器 28-Pin 8-Bit CMOS Microcontrollers
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PIC16C62B-04E/SO数据手册
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PIC16C62B
1999 Microchip Technology Inc. DS80016B-page 1
The PIC16C62B (Rev. A) parts you have received con-
form functionally to the Device Data Sheet (DS35008A),
except for the anomalies described below.
All the problems listed here will be addressed in future
revisions of the PIC16C62B silicon.
1. Module: RESET
The minimum specification for the MCLR
must be
met in order to RESET the PIC16CXXX. If a MCLR
pulse occurs that is less that the minimum specifica-
tion (parameter #30), improper device operation can
occur.
If the minimum specification cannot be met, then an
external circuit must be used to insure that any pulse
width less than the specification will be filtered before
it reaches the MCLR
pin.
Work Around
A possible circuit is shown in Figure 1. Proper design
validation needs to be done to ensure desired oper-
ation over the applications operating conditions
FIGURE 1: MCLR EXTERNAL CIRCUIT
C1
R2
R1
V
DD
MCLR
PIC16CXXX
4.7KΩ ≤ R1 ≤ 10KΩ
0.01µF ≤ C1 ≤ 0.1µF
R2 = 100Ω
PIC16C62B Rev. A Silicon Errata Sheet
Note: As with any windowed EPROM device, please cover the window at all times, except when erasing.
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