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X45620V20I-2.7
P1-P3
P4-P6
P7-P9
P10-P12
P13-P15
P16-P18
P19-P20
7
FN8250.0
July 29, 2005
S
0
, S
1
, and WP Pin Timing
Write Cycle Limits
Notes:
(8)
t
WC
is the minimum cycle time to
be allowed from th
e system perspective unless
polling techn
iques are used. It is the maximum time
the device require
s to automatically
complete the inter
nal write operation.
The write cycle time is the time from a
valid stop condition of a
write sequence to the end o
f the internal erase/write
cycle. During the write
cycle, the X45620
bus interface circuits are disabled, SD
A is allowed to remain HIGH, and the
device does not respond
to its slave addr
ess.
Write Cycle Timing
t
SU: S0, S1, WP
SCL
SDA IN
S
0
, S
1
and WP
Slave Address Byte
Clk 1
Clk 9
t
HD: S0, S1, WP
Symbol
Parameter
Min
Typ
(6)
Max
Unit
Test Conditions
T
WC
(8)
Write Cycle Time
—
5
10
ms
Note 4
SCL
SDA
8
th
Bit
Word n
AC
K
t
WC
Stop
Condition
Start
Condition
X45620
8
FN8250.0
July 29, 2005
Power-Up and Po
wer-Do
wn Timing
V
CC
to LOWLINE
Timings
V2MON to V2FAIL
Timings
t
VB1
RESET
t
VB2
t
PURST
t
PURST
t
RPD
V
BATT
V
CC
V
BAT
0V
V
OUT
V
TRIP1
0V
V
OUT
V
CC
BATT-ON
V
CC
LOWLINE
V
TRIP
V
BATT
V
TRIP1
0V
V
OH
V
OL
V
TRIP1
0V
t
R
t
RPD
t
RPD
t
F
V
TRIP2
0V
t
R
t
RPD2
t
RPD2
t
F
V2MON
V2FAIL
X45620
9
FN8250.0
July 29, 2005
RESET
Output Timing
Notes:
(9)
This measurement is from 10%
to 90% of the supply voltage.
WDT Restart Timing
Minimum WDT Restart Timing
Symbol
Parameter
Min
Typ (6)
Ma
x
Unit
Test Conditions
t
PURST
RESET
Time Out Period
PUP = 0
PUP = 1
75
400
150
600
250
800
ms
Note 4
t
RPD
V
TRIP1
to RESET
(Power-down only), V
TRIP1
to
LOWLINE
10
20
µs
Note 4
t
RPD2
V
TRIP2
to V2FAIL
10
20
µs
Note 4
t
LR
LOWLINE
to RESET
delay (Power-down only)
100
200
300
ns
Note 4
t
F
V
CC
/V2MON Fall Time
1000
µs
Note 4, 9
t
R
V
CC
/V2MON Rise Time
1000
µs
Note 4, 9
V
RVALID
Reset Valid V
CC
1V
t
VB1
V
BATT
+ 0.03 V to BATT-ON (logical 0)
20
µs
Note 4
t
VB2
V
BATT
– 0.03 V to BATT-ON (logical 1)
20
µs
Note 4
t
HD:STA
<t
WDO
t
WDO
t
WDO
t
RST
SCL
SDA
WDO
t
HD:STA
WDT Restart
t
SU:ST
O
WDT Restart
t
LOW
t
HIGH
SCL
SDA
t
HIGH
X45620
P1-P3
P4-P6
P7-P9
P10-P12
P13-P15
P16-P18
P19-P20
X45620V20I-2.7
Mfr. #:
Buy X45620V20I-2.7
Manufacturer:
Renesas / Intersil
Description:
IC VOLT MON DUAL SW EEPR 20TSSOP
Lifecycle:
New from this manufacturer.
Delivery:
DHL
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TNT
EMS
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