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SP691ACN Datasheet(PDF) 1 Page - Exar Corporation

Part # SP691ACN
Description  Low Power Microprocessor Supervisory
Download  24 Pages
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Manufacturer  EXAR [Exar Corporation]
Direct Link  http://www.exar.com
Logo EXAR - Exar Corporation

SP691ACN Datasheet(HTML) 1 Page - Exar Corporation

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Date: 4/18/05
SP691A/693A/800L/800M Low Power Microprocessor Supervisor with Battery Switch-Over © Copyright 2005 Sipex Corporation
Low Power Microprocessor Supervisory
with Battery Switch-Over
SP691A/693A/800L/800M
The SP691A/693A/800L/800M is a microprocessor (µP) supervisory circuit that integrates
a myriad of components involved in discrete solutions to monitor power-supply and
battery-control functions in µP and digital systems. The SP691A/693A/800L/800M offers
complete µP monitoring and watchdog functions. The SP691A/693A/800L/800M is ideal for
a low-cost battery management solution and is well suited for portable, battery-powered
applications with its supply current of 35µA. The 6ns chip-enable propagation delay,
the 25mA current output in battery-backup mode, and the 250mA current output in
standard operation also makes the SP691A/693A/800L/800M suitable for larger scale,
high-performance equipment.
■ Precision 4.65V/4.40V Voltage Monitoring
■ 200ms Or Adjustable Reset Time
■ 100ms, 1.6s Or Adjustable Watchdog Time
■ 60µA Maximum Operating Supply Current
■ 2.0µA Maximum Battery Backup Current
■ 0.1µA Maximum Battery Standby Current
■ Power Switching
250mA Output in Vcc Mode (0.6Ω)
25mA Output in Battery Mode (5Ω)
■ On-Board Gating of Chip-Enable Signals
Memory Write-Cycle Completion
6ns CE Gate Propagation Delay
■ Voltage Monitor for Power-Fail or Low Battery
■ Backup-Battery Monitor
■ RESET Valid to Vcc=1V
■ 1% Accuracy Guaranteed (SP800L/800M)
■ Pin Compatible Upgrade to MAX691A/693A/
800L/800M
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DESCRIPTION
FEATURES
VBATT
VOUT
Vcc
GND
BATT ON
PFO
PFI
OSCIN
RESET
WDO
CEIN
CEOUT
WDI
LOWLINE
16
DIP/SO
TOP VIEW
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Corporation
RESET
OSCSEL
Now Available in Lead Free Packaging
®


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