參數(shù)資料
型號: X40237
廠商: Intersil Corporation
英文描述: Triple Voltage Monitors, POR, 2 kbit EEPROM MEMORY, and Single/Dual DCP
中文描述: 三電壓監(jiān)測器,葡萄牙,2千比特EEPROM存儲器,以及單/雙副處長
文件頁數(shù): 30/36頁
文件大小: 541K
代理商: X40237
30
FN8115.0
April 11, 2005
A.C. CHARACTERISTICS (See Figure 27, Figure 28, Figure 29)
A.C. TEST CONDITIONS
Input Pulse Levels
Input Rise and Fall Times
Input and Output Timing Levels
Output Load
NONVOLATILE WRITE CYCLE TIMING
CAPACITANCE (T
A
= 25°C, F = 1.0 MHZ, V
CC
= 5V)
Symbol
C
OUT(5)
Output Capacitance (SDA, RESET,
V2FAIL
,
V3FAIL
)
C
IN(5)
Input Capacitance (SCL, WP, MR)
Notes: 1. Typical values are for T
A
= 25°C and V
CC
= 5.0V
Notes: 2. Cb = total capacitance of one bus line in pF.
Notes: 3. Over recommended operating conditions, unless otherwise specified
Notes: 4. t
WC
is the time from a valid STOP condition at the end of a write sequence to the end of the self-timed internal nonvolatile write cycle. It is
the minimum cycle time to be allowed for any nonvolatile write by the user, unless Acknowledge Polling is used.
Notes: 5. This parameter is not 100% tested.
Symbol
f
SCL
t
IN(5)
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(5)
t
F(5)
t
SU:WP
t
HD:WP
Cb
Parameter
400kHz
Min
0
50
Max
400
Units
kHz
ns
μ
s
μ
s
μ
s
μ
s
μ
s
μ
s
SCL Clock Frequency
Pulse width Suppression Time at inputs
SCL LOW to SDA Data Out Valid
0.1
0.9
Time the bus free before start of new transmission
1.3
Clock LOW Time
1.3
Clock HIGH Time
0.6
Start Condition Setup Time
0.6
Start Condition Hold Time
0.6
Data In Setup Time
100
ns
μ
s
μ
s
Data In Hold Time
0
Stop Condition Setup Time
0.6
Data Output Hold Time
50
ns
SDA and SCL Rise Time
20 +.1Cb
(2)
300
ns
SDA and SCL Fall Time
20 +.1Cb
(2)
300
ns
μ
s
μ
s
WP Setup Time
0.6
WP Hold Time
0
Capacitive load for each bus line
400
pF
0.1V
CC
to 0.9V
CC
10ns
0.5V
CC
See Figure 25
Symbol
Parameter
Min.
Typ.
(1)
5
Max.
10
Units
ms
t
WC(4)
Nonvolatile Write Cycle Time
Parameter
Max
Units
Test Conditions
V
OUT
= 0V
V
IN
= 0V
8
pF
6
pF
X40231, X40233, X40235, X40237, X40239
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