x45620 Intersil Corporation, x45620 Datasheet - Page 6

• Manufacturer Part Number: x45620
• Description: Dual Voltage Monitor With Integrated System Battery Switch And Eeprom
• Manufacturer: Intersil Corporation

A.C. CHARACTERISTICS (Over recommended operating conditions, unless otherwise specified)
Read & Write Cycle Limits
Serial Output Timing
POWER-UP TIMING
Notes: (5) t
Bus Timing
t
t
Symbol
SU:S0, S1, WP
HD:S0, S1, WP
Symbol
SDA OUT
t
t
t
t
t
HD:DAT
SU:STO
SU:STA
HD:STA
SU:DAT
t
Symbol
t
t
t
PUW
f
t
PUR
HIGH
LOW
t
SDA IN
t
BUF
SCL
t
DH
AA
IN
(6) Typical values are for T
(7) Cb = total capacitance of one bus line in pF.
Cb
t
t
SCL
R
F
not 100% tested.
PUR
and t
SCL clock frequency
Pulse width suppression time at inputs
SCL LOW to SDA Data Out Valid
Time the bus must be free before a new transmission can start
Clock LOW period
Clock HIGH period
Start condition setup time
Start condition hold time
Data in setup time
Data in hold time
Stop condition setup time
Data output hold time
t
SU:STA
Capacitive load for each bus line
SDA and SCL rise time
SDA and SCL fall time
S0, S1, and WP Setup Time
S0, S1, and WP Hold Time
PUW
Power-up to Read Operation
Power-up to Write Operation
are the delays required from the time V
(5)
Parameter
6
A
= 25°C and nominal supply voltage (5V)
Parameter
t
HD:STA
Parameter
t
F
t
AA
t
HD:DAT
t
HIGH
CC
X45620
is stable until the specified operation can be initiated. These parameters are
t
LOW
20 + .1Cb
20 + .1Cb
t
Max
DH
1
5
Min
0.6
0
t
SU:DAT
Min
100
0.1
1.3
1.3
0.6
0.6
0.6
0.6
50
50
Max
300
300
400
0
Unit
ms
ms
Max
400
0.9
Unit
pF
ns
ns
ns
ns
t
R
Unit
kHz
ns
µs
µs
µs
µs
µs
µs
ns
µs
µs
ns
t SU:STO
t
BUF
Test Conditions
Test Conditions
Test Conditions
Note 4, 7
Note 4
Note 4
Note 4
Note 4
Note 4
Note 4
Note 4
Note 4
Note 4
Note 4
Note 4
Note 4
Note 4
Note 4
Note 4
July 29, 2005
FN8250.0