鈻?/div>
"Green" package options available
and SCL inputs
DESCRIPTION
The CAT24FC32A is a 32K-bit Serial CMOS EEPROM
internally organized as 4Kx8 bits. The device is
compatible with Fast-mode I
2
C bus specification and
operates down to 1.8V with a bit rate up to 400 kbit/s.
Extended addressing capability allows up to 8 devices
to share the same bus. Catalyst's advanced CMOS
technology substantially reduces device power
requirements. The device is optimized for high
performance applications, where low power, low voltage
and high speed operation are required.
CAT24FC32A is available in 8-pin DIP, 8-pin SOIC
(JEDEC and EIAJ) and 8-pin TSSOP packages.
PIN CONFIGURATION
DIP Package (P, L)
A0
A1
A2
VSS
1
2
3
4
8
7
6
5
VCC
WP
SCL
SDA
BLOCK DIAGRAM
EXTERNAL LOAD
DOUT
SENSE AMPS
SHIFT REGISTERS
TSSOP Package (U, Y)
A0
A1
A2
VSS
1
2
3
4
8
7
6
5
VCC
WP
SCL
SDA
VCC
VSS
ACK
WORD ADDRESS
BUFFERS
COLUMN
DECODERS
256
SDA
START/STOP
LOGIC
SOIC Package (J,W) (K, X)
A0
A1
A2
VSS
1
2
3
4
8
7
6
5
VCC
WP
SCL
SDA
WP
CONTROL
LOGIC
XDEC
128
EEPROM
128 X 256
DATA IN STORAGE
HIGH VOLTAGE/
TIMING CONTROL
SCL
A0
A1
A2
STATE COUNTERS
SLAVE
ADDRESS
COMPARATORS
* Catalyst Semiconductor is licensed by Philips Corporation to carry the I
2
C Bus Protocol.
漏 2004 by Catalyst Semiconductor, Inc.
Characteristics subject to change without notice
1
Doc. No. 1048, Rev. F