參數(shù)資料
型號: ADM697SQ
廠商: ANALOG DEVICES INC
元件分類: 電源管理
英文描述: Microprocessor Supervisory Circuits
中文描述: 1-CHANNEL POWER SUPPLY MANAGEMENT CKT, CDIP16
封裝: CERDIP-16
文件頁數(shù): 11/12頁
文件大?。?/td> 407K
代理商: ADM697SQ
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(guān)PDF資料
PDF描述
ADM696AN Microprocessor Supervisory Circuits
ADM696AQ Microprocessor Supervisory Circuits
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ADM698 制造商:AD 制造商全稱:Analog Devices 功能描述:Microprocessor Supervisory Circuits
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ADM698AQ 制造商:AD 制造商全稱:Analog Devices 功能描述:Microprocessor Supervisory Circuits
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