X1226 Xicor, X1226 Datasheet - Page 17
X1226
Manufacturer Part Number
X1226
Description
Real Time Clock/Calendar with EEPROM
Manufacturer
Xicor
Datasheet
1.X1226.pdf
(24 pages)
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
X1226
Manufacturer:
XICOR
Quantity:
5 510
Part Number:
X1226
Manufacturer:
INTERSIL
Quantity:
20 000
Company:
Part Number:
X1226CE
Manufacturer:
NEC
Quantity:
6 219
Part Number:
X1226S8
Manufacturer:
XICOR
Quantity:
20 000
Company:
Part Number:
X1226S8I
Manufacturer:
XICOR
Quantity:
16
Part Number:
X1226S8IZ
Manufacturer:
INTERSIL
Quantity:
20 000
Part Number:
X1226S8IZ-2.7A
Manufacturer:
XICOR
Quantity:
20 000
Part Number:
X1226S8IZT1
Manufacturer:
INTERSIL
Quantity:
20 000
X1226
Write Cycle Timing
Power Up Timing
Notes: (1) Delays are measured from the time V
Nonvolatile Write Cycle Timing
Note: (1) t
REV 1.1.24 1/13/03
Symbol
Symbol
t
t
PUW
(2) Typical values are for T
t
PUR
WC
SDA
SCL
It is the minimum cycle time to be allowed for any nonvolatile write by the user, unless Acknowledge Polling is used.
(1)
WC
(1)
tested. V
(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
8th Bit of Last Byte
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
A
= 25°C and V
Parameter
Parameter
CC
CC
= 5.0V
ACK
is stable until the specified operation can be initiated. These parameters are not 100%
www.xicor.com
Condition
Stop
Min.
Min.
t
WC
Characteristics subject to change without notice.
Condition
Typ.
Typ.
Start
5
(2)
(1)
Max.
Max.
10
1
5
Units
Units
ms
ms
ms
17 of 24