參數(shù)資料
型號: ADM697
廠商: Analog Devices, Inc.
英文描述: Microprocessor Supervisory Circuits(微處理器監(jiān)控電路)
中文描述: 微處理器監(jiān)控電路(微處理器監(jiān)控電路)
文件頁數(shù): 11/12頁
文件大?。?/td> 359K
代理商: ADM697
ADM696/ADM697
REV. 0
–11–
This application also shows an optional, external transistor
which may be used to provide in excess of 100 mA current on
V
OUT
. When V
CC
is higher than V
BATT
, the BATT ON output
goes low, providing 25 mA of base drive for the external PNP
transistor. The maximum current available is dependent on the
power rating of the external transistor.
RAM Write Protection
The ADM697
CE
OUT
line drives the Chip Select inputs of the
CMOS RAM.
CE
OUT
follows
CE
IN
as long as LL
IN
is above the
reset threshold. If LL
IN
falls below the reset threshold,
CE
OUT
goes high, independent of the logic level at
CE
IN
. This prevents
the microprocessor from writing erroneous data into RAM dur-
ing power-up, power-down, brownouts and momentary power
interruptions.
OUTLINE DIMENSIONS
Dimensions shown in inches and (mm).
16-Pin Plastic DIP (N-16)
0.840 (21.33)
0.745 (18.93)
0.325 (8.25)
0.300 (7.62)
0.015 (0.381)
0.008 (0.204)
0.195 (4.95)
0.115 (2.93)
PIN 1
0.280 (7.11)
0.240 (6.10)
9
1
6
1
8
0.210
(5.33)
0.200 (5.05)
0.125 (3.18)
0.022 (0.558)
0.014 (0.356)
0.1BSC
SEATING
0.060 (1.52)
0.015 (0.38)
0.150
(3.81)
0.070 (1.77)
0.045 (1.15)
16-Pin Cerdip (Q-16)
PIN 1
0.840 (21.34) MAX
0.060 (1.52)
0.015 (0.38)
0.015 (0.381)
0.008 (0.204)
0.150
(3.81)
MIN
0.200
(5.08)
MAX
0.022 (0.558)
0.014 (0.356)
0.100 (2.54)
BSC
0.070 (1.78)
0.30 (0.76)
PLANE
SEATING
0.310 (7.87)
0.220 (5.59)
0.320 (8.13)
0.290 (7.37)
1
8
9
16
16-Lead SOIC (R-16)
0.019 (0.49)
0.05 (1.27)
REF
0.104
(2.65)
0.012
(0.3)
0.413 (10.50)
0.419
(10.65)
0.042
(1.07)
0.013
0.030
(0.75)
0.299
(7.60)
1
8
9
16
相關PDF資料
PDF描述
ADM697AN Microprocessor Supervisory Circuits
ADM697AQ Microprocessor Supervisory Circuits
ADM697AR Microprocessor Supervisory Circuits
ADM697SQ Microprocessor Supervisory Circuits
ADM696AN Microprocessor Supervisory Circuits
相關代理商/技術參數(shù)
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ADM697AQ 制造商:Rochester Electronics LLC 功能描述:- Bulk
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