CAT24WC256 Datasheet, PDF (8/8 Pages) Catalyst Semiconductor – 256K-Bit I2C Serial CMOS EEPROM

CAT24WC256
Preliminary
Figure 9. Selective Read Timing
S
T
BUS ACTIVITY: ^A SLAVE
MASTER ^R ADDRESS
T
BYTE ADDRESS
A15–A8
A7–A0
S
T
A _SLAVE
R _ADDRESS
T
S
T
DATA
O
P
SDA LINE S
*
S
P
A
A
A
C
C
C
K
K
K
A
N
C
O
K
A
C
K
*^{=Don't Care Bit}
Figure 10. Sequential Read Timing
BUS ACTIVITY: SLAVE
MASTER ADDRESS
SDA LINE
A
C
K
DATA n
24WC128 F11
24WC256 FIG. 11
DATA n+1
DATA n+2
A
A
A
C
C
C
K
K
K
DATA n+x
S
T
O
P
P
N
O
A
C
K
5020 FHD F12
ORDERING INFORMATION
Prefix Device #
Suffix
CAT
24WC256
K
I
-1.8
TE13
Optional
Company ID
Product
Number
Temperature Range
Blank = Commercial (0˚ - 70˚C)
I = Industrial (-40˚ - 85˚C)
A = Automotive (-40˚ - 105˚C)*
Tape & Reel
TE13: 2000/Reel
Package
P: PDIP
K: SOIC (EIAJ)
Operating Voltage
Blank: 2.5 to 6.0V
1.8: 1.8 to 6.0V
3: 3.0V to 5.5V
* -40˚ to +125˚C is available upon request
24WC256 FIG. 13
Notes:
(1) The device used in the above example is a 24WC256KI-1.8TE13 (SOIC, Industrial Temperature, 1.8 Volt to 6 Volt Operating
Voltage, Tape & Reel)
Doc. No. 25061-00 6/99 S-1
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