X4285 XICOR [Xicor Inc.], X4285 Datasheet - Page 18

• Manufacturer Part Number: X4285
• Description: CPU Supervisor with 128K EEPROM
• Manufacturer: XICOR [Xicor Inc.]

RESET Output Timing
V
V
X4283/85 – Preliminary Information
REV 1.17 11/27/00
Parameter
V
TRIP
TRIP
TRIP
(V
Symbol
V
V
t
t
t
SDA
t
t
WP
SCL
V
V
t
t
TRAN
VPO
TRIP
VPS
VPH
TSU
THD
t
V
t
WC
V
V
WDO
CC
RP
RST
ta1
ta2
Programming Timing Diagram (WEL = 1)
Programming Parameters
tv
P
tr
V
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
at 25°C.)
V
TRIP
TRIP
TRIP
TRIP
TRIP
TRIP
TRIP
TRIP
TRIP
TRIP
Watchdog Time Out Period,
Reset Time Out
t
VPS
WD1 = 1, WD0 = 0
WD1 = 0, WD0 = 1
WD1 = 0, WD0 = 0 (factory setting)
A0h
Program Voltage repeatability (Successive program operations. Programmed
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
Program Voltage accuracy (V
TRIP
Parameter
Program Voltage accuracy [(V
00h
V
TRIP
Description
www.xicor.com
CC
01h or 03h
applied–V
CC
applied–V
TRIP
Min.
100
450
100
1
t
TSU
) (Programmed at 25°C.)
00h
ta1
t
)—V
Characteristics subject to change without notice.
VPH
Typ.
250
650
250
1.5
TRIP
.
t
THD
Max.
t
400
850
400
RP
2
Min. Max. Unit
2.55
-0.1
-25
-25
-25
t
10
10
15
VPO
1
1
1
0
4.75
+0.4
+25
+25
+25
10
18
Unit
sec
ms
ms
ms
18 of 22
mV
mV
mV
ms
ms
ms
µs
µs
µs
µs
V
V
V