參數(shù)資料
型號(hào)： X4325
元件分類： CPU監(jiān)測(cè)
英文描述： RTC Module With CPU Supervisor
中文描述： 時(shí)鐘模塊CPU監(jiān)控
文件頁數(shù)： 14/22頁
文件大小： 126K
代理商： X4325
X4323/5 – Preliminary Information
Characteristics subject to change without notice.
14 of 22
REV 1.19 5/03/02
www.xicor.com
ABSOLUTE MAXIMUM RATINGS
Temperature under bias ................... -65°C to +135°C
Storage temperature ........................ -65°C to +150°C
Voltage on any pin with respect to V
SS
.....-1.0V to +7V
D.C. output current ...............................................5mA
Lead temperature (soldering, 10 seconds).........300°C
COMMENT
Stresses above those listed under “Absolute Maximum
Ratings” may cause permanent damage to the device.
This is a stress rating only; functional operation of the
device (at these or any other conditions above those
listed in the operational sections of this specification) is
not implied. Exposure to absolute maximum rating con-
ditions for extended periods may affect device reliability.
RECOMMENDED OPERATING CONDITIONS
Temperature
Commercial
Industrial
Min.
0°C
-40°C
Max.
70°C
+85°C
Option
–2.7 and –2.7A
Blank and –4.5A
Supply Voltage Limits
2.7V to 5.5V
4.5V to 5.5V
D.C. OPERATING CHARACTERISTICS
(Over the recommended operating conditions unless otherwise specified.)
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 nonvolatile write cycle; t
WC
after a stop that initiates
a nonvolatile 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.
Symbol
I
CC1
(1)
I
CC2
(1)
I
SB
(2)
Parameter
V
CC
= 2.7 to 5.5V
Min.
Unit
mA
mA
μA
Test Conditions
V
IL
= V
CC
x 0.1, V
IH
= V
CC
x 0.9
f
SCL
= 400kHz, SDA = Commands
Max.
1.0
3.0
1
Active Supply Current Read
Active Supply Current Write
Standby Current DC (WDT off)
V
SDA
= V
SCL
= V
SB
Others = GND or V
SB
V
SDA
= V
SCL
= V
SB
Others = GND or V
SB
V
IN
= GND to V
CC
V
SDA
= GND to V
CC
Device is in Standby
(2)
I
SB
(2)
Standby Current DC (WDT on)
20
μA
I
LI
I
LO
Input Leakage Current
Output Leakage Current
10
10
μA
μA
V
IL
(3)
V
IH
(3)
V
HYS
Input LOW Voltage
Input nonvolatile
Schmitt Trigger Input Hysteresis
Fixed input level
V
CC
related level
Output LOW Voltage
-0.5
V
CC
x 0.3
V
CC
+ 0.5
V
V
V
CC
x 0.7
0.2
.05 x V
CC
V
V
V
V
OL
0.4
I
OL
= 3.0mA (2.7–5.5V)
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