SP800MEP Datasheet

IC型號(hào)：
SP800MEP
PDF描述：
Low Power Microprocessor Supervisory with Battery Switch-Ove...
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195.65KB
PDF頁(yè)數(shù)：
24頁(yè)
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SIPEX

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SP691A/693A/800L/800M

SIGNAL PROCESSING EXCELLENCE

Low Power Microprocessor Supervisory

with Battery Switch-Over

FEATURES

鈻?/div>

Precision 4.65V/4.40V Voltage Monitoring

鈻?/div>

200ms Or Adjustable Reset Time

鈻?/div>

100ms, 1.6s Or Adjustable Watchdog Time

鈻?/div>

60碌A(chǔ) Maximum Operating Supply Current

鈻?/div>

2.0碌A(chǔ) Maximum Battery Backup Current

鈻?/div>

0.1碌A(chǔ) Maximum Battery Standby Current

鈻?/div>

Power Switching

250mA Output in Vcc Mode (0.6鈩?

25mA Output in Battery Mode (5鈩?

鈻?/div>

On-Board Gating of Chip-Enable Signals

Memory Write-Cycle Completion

6ns CE Gate Propagation Delay

鈻?/div>

Voltage Monitor for Power-Fail or Low Battery

鈻?/div>

Backup-Battery Monitor

鈻?/div>

RESET Valid to Vcc=1V

鈻?/div>

1% Accuracy Guaranteed (SP800L/800M)

鈻?/div>

Pin Compatible Upgrade to MAX691A/693A/

800L/800M

BATT

OUT

Vcc

GND

BATT ON

LOWLINE

OSC

SEL

Corporation

TOP VIEW

RESET

WDO

OUT

WDI

PFO

PFI

DIP/SO

Now Available in Lead Free Packaging

DESCRIPTION

The

SP691A/693A/800L/800M

is a microprocessor (碌P) supervisory circuit that integrates

a myriad of components involved in discrete solutions to monitor power-supply and

battery-control functions in

碌P

and digital systems. The

SP691A/693A/800L/800M

offers

complete

碌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碌A(chǔ). 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.

Part Number

SP691A

SP693A

SP800L

SP800M

RESET Threshold

4.65V

4.40V

4.65V

4.40V

RESET Accuracy

+125mV

+50mV

PFI Accuracy

+4%

+1%

Backup-Battery Switch

YES

Date: 5/25/04

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