CAT24WC164 Datasheet, PDF (1/10 Pages) Catalyst Semiconductor – 16K-Bit Serial EEPROM, Cascadable

CAT24WC164
16K-Bit Serial EEPROM, Cascadable
FEATURES
I 400 kHz I²C bus compatible*
I 1.8 to 6.0 volt operation
I Low power CMOS technology
I Write protect feature
- Entire array protected when WP at V
IH
I Page write buffer
DESCRIPTION
The CAT24WC164 is a16K-bit, cascadable Serial CMOS
EEPROM internally organized as 2048 words of 8 bits
each. Catalyst’s advanced CMOS technology substan-
tially reduces device power requirements. The
ALOGEN ^FR
LEA _{D F REETM}
I Self-timed write cycle with auto-clear
I 1,000,000 program/erase cycles
I 100 year data retention
I 8-pin DIP, 8-pin SOIC, 8-pin MSOP or
8 pin TSSOP
(Also available in "Green" packages)
I Industrial, automotive and
extended temperature ranges
CAT24WC164 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, 8-pin SOIC, 8-pin TSSOP and 8-lead MSOP.
PIN CONFIGURATION
DIP Package (P, L)
SOIC Package (J, W)
A0 1
A1 2
A2 3
VSS 4
8 VCC
7 WP
6 SCL
5 SDA
A0
1
A1
2
A2
3
VSS
4
8
VCC
7 _WP
6 _SCL
5 _SDA
5020 FHD F01
BLOCK DIAGRAM
EXTERNAL LOAD
VCC
VSS
DOUT
ACK
WORD ADDRESS
BUFFERS
SENSE AMPS
SHIFT REGISTERS
COLUMN
DECODERS
MSOP Package (R, Z)
TSSOP Package (U, Y)
A0 ¹
8 VCC
A0
1
8
A1 ²
7
TEST
A1
2
7
A2 ³
6 SCL
A2
3
6
VSS 4
5 SDA _VSS
4
5
SDA
VCC
WP
SCL
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
V_CC
+1.8V to +6.0V Power Supply
V_SS
Ground
SCL
A0
A1
A2
STATE COUNTERS
SLAVE
ADDRESS
COMPARATORS
* Catalyst Semiconductor is licensed by Philips Corporation to carry the I²C Bus Protocol.
DATA IN STORAGE
HIGH VOLTAGE/
TIMING CONTROL
© 2005 by Catalyst Semiconductor, Inc.
Characteristics subject to change without notice
1
Doc. No. 1026, Rev. I