X1286 Intersil Corporation, X1286 Datasheet - Page 7

• Manufacturer Part Number: X1286
• Description: Intersil Real Time Clock/Calendar/CPU Supervisor with EEPROM X1286
• Manufacturer: Intersil Corporation

Write Cycle Timing
Power Up Timing
Notes: (1) Delays are measured from the time V
Nonvolatile Write Cycle Timing
Note: (1) t
REV 1.1 7/8/04
Symbol
Symbol
t
t
PUW
(2) Typical values are for T
t
PUR
WC
SDA
SCL
tested. V
It is the minimum cycle time to be allowed for any nonvolatile write by the user, unless Acknowledge Polling is used.
(1)
WC
(1)
(1)
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.
CC
slew rate should be between 0.2mV/µsec and 50mV/µsec.
Time from Power Up to Read
Time from Power Up to Write
Write Cycle Time
8th Bit of Last Byte
A
= 25°C and V
Parameter
Parameter
CC
CC
= 5.0V
is stable until the specified operation can be initiated. These parameters are not 100%
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Condition
Stop
Min.
Min.
t
WC
Condition
Typ.
Typ.
Start
5
(2)
(1)
Max.
Max.
10
1
5
X1286
Units
Units
ms
ms
ms
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