X4645 INTERSIL [Intersil Corporation], X4645 Datasheet - Page 18

• Manufacturer Part Number: X4645
• Description: CPU Supervidor with 64K EEPROM
• Manufacturer: INTERSIL [Intersil Corporation]

RESET Output Timing
V
V
TRIP
V
TRIP
Parameter
TRIP
(V
Symbol
V
V
SDA
SCL
WP
TRIP
t
t
t
t
t
V
V
t
t
t
VPO
TRAN
CC
VPS
VPH
TSU
THD
t
V
WDO
V
V
WC
Programming Timing Diagram (WEL = 1)
RST
Programming Parameters
RP
ta1
ta2
V
tv
P
tr
programming parameters are periodically sampled and are not 100% tested.
)
P
V
V
V
V
V
V
V
Programming Voltage
V
Initial V
Subsequent V
Programmed at 25°C.]
V
25°C.)
V
Watchdog Time Out Period,
Reset Time Out
TRIP
TRIP
TRIP
TRIP
TRIP
TRIP
TRIP
TRIP
TRIP
TRIP
t
VPS
WD1 = 1, WD0 = 1 (factory setting)
WD1 = 1, WD0 = 0
WD1 = 0, WD0 = 1
WD1 = 0, WD0 = 0
A0h
Program Voltage repeatability (Successive program operations. Programmed at
Program Enable Voltage Setup time
Program Enable Voltage Hold time
Setup time
Hold (stable) time
Write Cycle Time
Program Enable Voltage Off time (Between successive adjustments)
Program Recovery Period (Between successive adjustments)
Programmed Voltage Range
Program variation after programming (0-75°C). (Programmed at 25°C.)
TRIP
18
Program Voltage accuracy (V
TRIP
Parameter
Program Voltage accuracy [(V
00h
V
TRIP
Description
X4643, X4645
CC
01h or 03h
applied-V
CC
TRIP
applied-V
Min.
t
100
450
100
TSU
1
00h
) (Programmed at 25°C.)
ta1
t
)-V
VPH
TRIP
Typ.
OFF
250
650
250
1.5
.
t
THD
t
RP
Max.
300
850
400
t
2
VPO
Min.
2.55
-0.1
-25
-25
-25
10
10
15
1
1
1
0
Max.
4.75
+0.4
+25
+25
+25
10
18
March 29, 2005
Unit
sec
ms
ms
ms
FN8123.0
Unit
mV
mV
mV
ms
ms
ms
µs
µs
µs
µs
V
V
V