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| 型號： | SP800MEP |
| 英文描述： | Low Power Microprocessor Supervisory with Battery Switch-Over |
| 中文描述： | 低功耗微處理器監(jiān)控與電池開關(guān)過 |
| 文件頁數(shù)： | 1/24頁 |
| 文件大?。?/td> | 196K |
| 代理商： | SP800MEP |
Date: 5/25/04 SP691A/693A/800L/800M Low Power Microprocessor Supervisor with Battery Switch-Over Copyright 2004 Sipex Corporation
1
Low Power Microprocessor Supervisory
with Battery Switch-Over
SP691A/693A/800L/800M
The
SP691A/693A/800L/800M
is a microprocessor (
μ
P) supervisory circuit that integrates
a myriad of components involved in discrete solutions to monitor power-supply and
battery-control functions in
μ
P and digital systems. The
SP691A/693A/800L/800M
offers
complete
μ
P 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 35
μ
A. 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
■
60
μ
A Maximum Operating Supply Current
■
2.0
μ
A Maximum Battery Backup Current
■
0.1
μ
A Maximum Battery Standby Current
■
Power Switching
250mA Output in Vcc Mode (0.6
)
25mA Output in Battery Mode (5
)
■
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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SIGNAL PROCESSING EXCELLENCE
DESCRIPTION
FEATURES
V
BATT
V
OUT
Vcc
GND
BATT ON
PFO
PFI
OSC
IN
OSC
SEL
RESET
WDO
CE
IN
CE
OUT
WDI
LOWLINE
16
DIP/SO
TOP VIEW
15
14
13
12
11
10
9
1
2
3
4
5
6
7
8
Corporation
RESET
Now Available in Lead Free Packaging
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