X1205V8IT1
| Model | X1205V8IT1 |
| Description | 2-Wire RTC Real Time Clock/Calendar |
| PDF file | Total 22 pages (File size: 329K) |
| Chip Manufacturer | INTERSIL |
X1205
Write Cycle Timing
SCL
SDA
8th Bit of Last Byte
ACK
t
WC
Stop
Condition
Start
Condition
Power-up Timing
Symbol
t
PUR(1)
t
PUW(1)
Parameter
Time from Power-up to Read
Time from Power-up to Write
Min.
Typ.
(2)
Max.
1
5
Units
ms
ms
Notes: (1) Delays are measured from the time V
CC
is stable until the specified operation can be initiated. These parameters are not 100% tested.
V
CC
slew rate should be between 0.2mV/µsec and 50mV/µsec.
(2) Typical values are for T
A
= 25°C and V
CC
= 5.0V
Nonvolatile Write Cycle Timing
Symbol
t
WC(1)
Note:
Parameter
Write Cycle Time
Min.
Typ.
(1)
5
Max.
10
Units
ms
(1) 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.
6
FN8097.2
September 23, 2005
