參數(shù)資料
型號: X40431
元件分類: 基準電壓源/電流源
英文描述: Dual Voltage Monitor with Intergrated CPU Supervisor
中文描述: 雙電壓監(jiān)視器集成CPU監(jiān)控
文件頁數(shù): 16/26頁
文件大小: 142K
代理商: X40431
X40430/X40431/X40434/X40435 – Preliminary
Characteristics subject to change without notice.
16 of 26
REV 1.3.16 7/13/02
www.xicor.com
Notes:
(1) The device enters the Active state after any start, and remains active until: 9 clock cycles later if the Device Select Bits in the Slave
Address Byte are incorrect; 200ns after a stop ending a read operation; or t
WC
after a stop ending a write operation.
(2) The device goes into Standby: 200ns after any stop, except those that initiate a high voltage write cycle; t
WC
after a stop that initiates a
high voltage cycle; or 9 clock cycles after any start that is not followed by the correct Device Select Bits in the Slave Address Byte.
(3) V
IL
Min. and V
IH
Max. are for reference only and are not tested.
(4) At 25°C, V
CC
= 3V
(5) See ordering information for standard programming levels. For custom programmed levels, contact factory.
(6) Based on characterization data.
EQUIVALENT INPUT CIRCUIT FOR VxMON (x = 1, 2, 3)
CAPACITANCE
Symbol
C
OUT
(1)
Note:
(1) This parameter is not 100% tested.
V
CC
Supply
V
TRIP1
(5)
V
CC
Trip Point Voltage Range
2.0
4.55
4.35
2.85
4.75
4.65
4.45
2.95
V
V
V
V
4.6
4.4
2.9
X40430/31-A, X40434/35
X40430/31-B
X40430/31-C
Second Supply Monitor
I
V2
V2MON Current
V
TRIP2
(5)
V2MON Trip Point Voltage Range
15
4.75
3.5
2.95
2.65
2.25
1.35
1.05
5
μA
V
V
V
V
V
V
V
μs
1.7
0.9
2.85
2.55
2.15
1.25
0.95
x40430/31
x40434/35
X40430/31-A
X40430/31-B
X40430/31-C
X40434/35-A&B
X40434/35-C
2.9
2.6
2.2
1.3
1.0
t
RPD2
(6)
Third Supply Monitor
I
V3
V3MON Current
V
TRIP3
(5)
V3MON Trip Point Voltage Range
V
TRIP2
to V2FAIL
15
4.75
1.75
3.15
2.95
5
μA
V
V
V
V
μs
1.7
1.65
3.05
2.85
1.7
3.1
2.9
X40430/31
X40434/35-A
X40434/35-B&C
t
RPD3
(6)
V
TRIP3
to V3FAIL
Parameter
Max.
8
Unit
pF
Test Conditions
V
OUT
= 0V
Output Capacitance (SDA, RESET/RESET, LOWLINE,
V2FAIL,V3FAIL, WDO)
Input Capacitance (SCL, WP, MR)
C
IN
(1)
6
pF
V
IN
= 0V
D.C. OPERATING CHARACTERISTICS
(Continued)
(Over the recommended operating conditions unless otherwise specified)
Symbol
Parameter
Min.
Typ.
(4)
Max.
Unit
Test Conditions
+
V
REF
t
RPDX
= 5μs worst case
Output Pin
VxMON
R
C
V = 100mV
V
V
ref
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