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ADM696 Datasheet(PDF) 11 Page - Analog Devices

Part No. ADM696
Description  Microprocessor Supervisory Circuits
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Maker  AD [Analog Devices]
Homepage  http://www.analog.com
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ADM696 Datasheet(HTML) 11 Page - Analog Devices

 
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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
VOUT. When VCC is higher than VBATT, 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 CEOUT line drives the Chip Select inputs of the
CMOS RAM. CEOUT follows CEIN as long as LLIN is above the
reset threshold. If LLIN falls below the reset threshold, CEOUT
goes high, independent of the logic level at CEIN. 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)
0.100 (2.54)
BSC
SEATING
PLANE
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
(0.32)
0.030
(0.75)
0.299
(7.60)
1
8
9
16


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