SP691A Datasheet, PDF (7/24 Pages) Sipex Corporation – Low Power Microprocessor Supervisory with Battery Switch-Over

TYPICAL PERFORMANCE CHARACTERISTICS
1000
100
Long Watchdog Timeout Period
Reset Active Timeout Period
Short Watchdog Timeout Period
10
1
V_CC = 5V
V_BATT = 2.8V
0.1
10
100
1000
OSCIN Capacitor (pF)
10000
Figure 11. Watchdog and Reset Timeout Period vs.
OSC_IN Timing Capacitor (C_OSC)
30
V_CC = 5V
25
V = 2.8V
BATT
50Ω driver
20
15
10
5
0
0 50 100 150 200 250 300 350
Cload (pF)
Figure 12. Chip-Enable Propagation Delay vs. CE_OUT
Load Capacitance
1000
1000
100
100
10
V_CC = 4.5V
V_BATT = 0V
Slope = 0.6Ω
1
1
10
100
1000
I (mA)
OUT
Figure 13. V_CC to V_OUT vs. Output Current (Normal
Operating Mode)
10
V_CC = 4.5V
V_BATT = 0V
Slope = 5Ω
1
1
10
100
1000
I_OUT (mA)
Figure 14. V_BATT to V_OUT vs. Output Current (Battery-
Backup Mode)
VCC Reset ^+5V
Threshold 0V
HI
RESET
LOW
HI
LOWLINE
LOW
HI
CEOUT _LOW
80µs
1.1µs
16µs
Figure 15. V_CC to LOWLINE and CE_OUT Delay
Date: 4/18/05
SP691A/693A/800L/800M Low Power Microprocessor Supervisor with Battery Switch-Over © Copyright 2005 Sipex Corporation
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