參數(shù)資料
型號(hào): X40626V14I-2.7A
元件分類(lèi): 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(yè)數(shù): 16/23頁(yè)
文件大?。?/td> 516K
代理商: X40626V14I-2.7A
X40626
REV 1.1.15 2/11/04
Characteristics subject to change without notice.
16 of 23
www.xicor.com
CAPACITANCE
(T
A
= 25°C, f = 1.0 MHz, V
CC
= 5V)
Notes:
(4) This parameter is periodically sampled and not 100% tested.
Symbol
C
OUT
(4)
C
IN
(4)
Parameter
Max.
8
6
Units
pF
pF
Test Conditions
V
OUT
= 0V
V
IN
= 0V
Output Capacitance (SDA, RESET, V2FAIL)
Input Capacitance (SCL, WP, S0, S1)
EQUIVALENT A.C. LOAD CIRCUIT
A.C. TEST CONDITIONS
V2MON
1.53K
V2FAIL
30pF
SDA
RESET
1533
30pF
5V
Input pulse levels
Input rise and fall times
Input and output timing levels
Output load
0.1V
CC
to 0.9V
CC
10ns
0.5V
CC
Standard Output Load
A.C. CHARACTERISTICS
(Over recommended operating conditions, unless otherwise specified)
Notes:
(1) Typical values are for T
A
= 25°C and V
CC
= 5.0V
(2) Cb = total capacitance of one bus line in pF.
Symbol
f
SCL
t
IN
t
AA
t
BUF
t
LOW
t
HIGH
t
SU:STA
t
HD:STA
t
SU:DAT
t
HD:DAT
t
SU:STO
t
DH
t
R
t
F
t
SU:WP
t
HD:WP
Cb
Parameter
Min.
0
50
0.1
1.3
1.3
0.6
0.6
0.6
100
0
0.6
50
Max.
400
Units
KHz
ns
μ
s
μ
s
μ
s
μ
s
μ
s
μ
s
ns
μ
s
μ
s
ns
ns
ns
μ
s
μ
s
pF
SCL Clock Frequency
Pulse width Suppression Time at inputs
SCL LOW to SDA Data Out Valid
Time the bus free before start of new transmission
Clock LOW Time
Clock HIGH Time
Start Condition Setup Time
Start Condition Hold Time
Data In Setup Time
Data In Hold Time
Stop Condition Setup Time
Data Output Hold Time
SDA and SCL Rise Time
SDA and SCL Fall Time
WP Setup Time
WP Hold Time
Capacitive load for each bus line
0.9
20 + 0.1Cb
(2)
20 + 0.1Cb
(2)
0.6
0
300
300
400
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