CAT24WC03 Datasheet, PDF (1/8 Pages) Catalyst Semiconductor – 2K/4K/8K/16K-Bit Serial E2PROM

Preliminary
CAT24WC03/05/09/17
2K/4K/8K/16K-Bit Serial E²PROM
FEATURES
s 400 KHZ I²C Bus Compatible*
s 1.8 to 6.0Volt Operation
s Low Power CMOS Technology
s Write Protect Feature
–Top 1/2 Array Protected When WP at V_IH
s 16-Byte Page Write Buffer
DESCRIPTION
The CAT24WC03/05/09/17 is a 2K/4K/8K/16K-bit Serial
CMOS E²PROM internally organized as 256/512/1024/
2048 words of 8 bits each. Catalyst’s advanced CMOS
technology substantially reduces device power require-
PIN CONFIGURATION
DIP Package (P)
SOIC Package (J)
A0 ¹
A1 ²
A2 ³
VSS ⁴
8 _VCC
A0
1
7 _WP
A1
2
6 _SCL
A2
3
5
SDA
VSS
4
8
VCC
7
WP
6
SCL
5
SDA
s Self-Timed Write Cycle with Auto-Clear
s 1,000,000 Program/Erase Cycles
s 100 Year Data Retention
s 8-pin DIP, 8-pin SOIC and 8-pin TSSOP Package
s Commercial, Industrial and Automotive
Temperature Ranges
ments. The CAT24WC03/05/09/17 features a 16-byte
page write buffer. The device operates via the I²C bus
serial interface, has a special write protection feature,
and is available in 8-pin DIP or 8-pin SOIC
BLOCK DIAGRAM
EXTERNAL LOAD
VCC
VSS
DOUT
ACK
WORD ADDRESS
BUFFERS
SENSE AMPS
SHIFT REGISTERS
COLUMN
DECODERS
A0
A1
A2
VSS
TSSOP Package (U)
(** Available for 24WC03 only)
1
8
2
7
SS
3
6
4
5
VCC
WP
SCL
SDA
SDA
WP
START/STOP
LOGIC
CONTROL
LOGIC
XDEC
E²PROM
PIN FUNCTIONS
Pin Name
Function
A0, A1, A2 Device Address Inputs
SDA
Serial Data/Address
SCL
Serial Clock
WP
Write Protect
VCC
+1.8V to +6.0V Power Supply
VSS
Ground
SCL
A0
A1
A2
STATE COUNTERS
SLAVE
ADDRESS
COMPARATORS
* Catalyst Semiconductor is licensed by Philips Corporation to carry the I²C Bus Protocol.
© 1999 by Catalyst Semiconductor, Inc.
Characteristics subject to change without notice
1
DATA IN STORAGE
HIGH VOLTAGE/
TIMING CONTROL
24WCXX F03
Doc. No. 25063-00 2/98 S-1