X5645 XICOR [Xicor Inc.], X5645 Datasheet - Page 16

• Manufacturer Part Number: X5645
• Description: CPU Supervisor with 64Kbit SPI EEPROM
• Manufacturer: XICOR [Xicor Inc.]

X5643/X5645
TYPICAL PERFORMANCE
REV 1.1.1 3/5/01
V
t
V
PURST
TRIP
CC
160
205
200
195
190
185
180
175
170
165
Supply Current vs. Temperature (I
18
16
14
12
10
–40
vs. Temperature (programmed at 25°C)
8
6
4
2
0
5.025
5.000
4.975
3.525
3.500
3.475
2.525
2.500
2.475
vs. Temperature
–40
Watchdog Timer On (V
Watchdog Timer Off (V
0
Degrees °C
Watchdog Timer On (V
Temp (°C)
Temperature
25
25
25
CC
CC
= 5V)
= 3V, 5V)
V
V
V
TRIP
TRIP
TRIP
SB
CC
= 5V
= 3.5V
= 2.5V
)
= 5V)
90
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90
85
t
t
t
WDO
WDO
WDO
1.9
1.8
1.7
1.6
1.5
1.4
1.3
1.2
1.1
205
200
195
190
185
180
175
170
165
160
0.75
0.65
0.55
0.45
vs. Voltage/Temperature (WD1, 0 0 = 0, 1)
vs. Voltage/Temperature (WD1, 0 = 1, 0)
vs. Voltage/Temperature (WD1, 0 = 1, 1)
0.8
0.7
0.6
0.5
1
1.7
1.7
1.7
2.4
Characteristics subject to change without notice.
2.4
2.4
90°C
90°C
90°C
3.1
3.1
3.1
Voltage
Voltage
Voltage
25°C
25°C
25°C
–40°C
3.8
3.8
3.8
–40°C
–40°C
4.5
4.5
4.5
16 of 19
5.2
5.2
5.2