x40431s14i-bx4043x Intersil Corporation, x40431s14i-bx4043x Datasheet - Page 2

• Manufacturer Part Number: x40431s14i-bx4043x
• Description: 4kbit Eeprom; Triple Voltage Monitor With Integrated Cpu Supervisor
• Manufacturer: Intersil Corporation

BLOCK DIAGRAM
*Voltage monitor requires Vcc to operate. Others are independent of Vcc.
X40430, X40431
X40434, X40435
(V1MON)
V3MON
V2MON
Device
V
SDA
SCL
WP
-A
-B
-C
-A
-B
-C
CC
*X40430, X40431=
X40434, X40435 = V
5V; 3V or 3.3V; 1.8V
5V; 3V or 3.3V; 1.5V
Expected System
5V; 3 or 3.3V; 1.2V
3.3V; 2.5V; 1.8V
Decode Test
5V; 3.3V; 1.5V
Command
& Control
5V; 3V; 1.8V
Register
Voltages
Logic
Data
2
V2MON
CC
X40430, X40431, X40434, X40435
V
CC
Logic
Monitor
4.55–4.65*
4.35–4.45*
2.95–3.05*
4.55–4.65*
4.55–4.65*
4.55–4.65*
Vtrip1(V)
2.0–4.75*
2.0–4.75*
V3 Monitor
Logic
V2 Monitor
Fault Detection
Logic
EEPROM
+
-
Register
Register
Status
Array
V
TRIP1
+
-
V
0.90–3.50*
1.25–1.35*
1.25–1.35*
0.95–1.05*
TRIP3
Vtrip2(V)
1.70–4.75
2.85–2.95
2.55–2.65
2.15–2.25
+
-
V
V
V2MON*
TRIP2
CC
or
Manual Reset
Reset Logic
Low Voltage
Generation
Watchdog
Power-on,
Reset
and
Vtrip3(V)
1.70–4.75
1.65–1.75
1.65–1.75
1.65–1.75
1.70–4.75
3.05–3.15
2.85–2.95
2.85–2.95
RESET = X40430
RESET = X40431
RESET = X40434
RESET = X40435
X40430/34
X40431/35
(system)
RESET
RESET
LOWLINE
POR
V3FAIL
V2FAIL
WDO
MR
May 24, 2006
FN8251.1