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CAT25C09 fiches techniques PDF

Catalyst Semiconductor - 2K/4K/8K/16K/32K SPI Serial CMOS E2PROM

Numéro de référence CAT25C09
Description 2K/4K/8K/16K/32K SPI Serial CMOS E2PROM
Fabricant Catalyst Semiconductor 
Logo Catalyst Semiconductor 





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CAT25C09 fiche technique
Advanced
CAT25C03/05/09/17/33
2K/4K/8K/16K/32K SPI Serial CMOS E2PROM
FEATURES
s 10 MHz SPI Compatible
s 1.8 to 6.0 Volt Operation
s Hardware and Software Protection
s Zero Standby Current
s Low Power CMOS Technology
s SPI Modes (0,0 &1,1)
s Commercial, Industrial and Automotive
Temperature Ranges
DESCRIPTION
s 1,000,000 Program/Erase Cycles
s 100 Year Data Retention
s Self-Timed Write Cycle
s 8-Pin DIP/SOIC, 16-Pin SOIC and 14-Pin TSSOP
s Page Write Buffer
s Write Protection
– Protect First Page, Last Page, Any 1/4 Array
or Lower 1/2 Array
The CAT25C03/05/09/17/33 is a 2K/4K/8K/16K/32K-Bit
SPI Serial CMOS E2PROM internally organized as
256x8/512x8/1024x8/2048x8/4096x8 bits. Catalyst’s
advanced CMOS Technology substantially reduces de-
vice power requirements. The CAT25C03/05 features a
16-byte page write buffer. The 25C09/17/33 features a
32-byte page write buffer.The device operates via the
SPI bus serial interface and is enabled though a Chip
Select (CS). In addition to the Chip Select, the clock
PIN CONFIGURATION
input (SCK), data in (SI) and data out (SO) are required
to access the device. The HOLD pin may be used to
suspend any serial communication without resetting the
serial sequence. The CAT25C03/05/09/17/33 is de-
signed with software and hardware write protection
features. The device is available in 8-pin DIP, 8-pin
SOIC, 16-pin SOIC, 8-pin TSSOP and 14-pin TSSOP
packages.
TSSOP Package (U14) SOIC Package (S16) SOIC Package (S) DIP Package (P)
TSSOP Package (U)
CS 1
SO 2
NC 3
NC 4
NC 5
WP 6
VSS 7
14 VCC
13 HOLD
12 NC
11 NC
10 NC
9 SCK
8 SI
CS 1
SO 2
NC 3
NC 4
NC 5
NC 6
WP 7
VSS 8
16 VCC
CS 1
15 HOLD SO 2
14 NC
WP 3
13 NC
VSS 4
12 NC
11 NC
10 SCK
9 SI
8 VCC CS 1
7 HOLD SO 2
6 SCK WP 3
5 SI VSS 4
8 VCC CS 1
7 HOLD SO 2
6 SCK WP 3
5 SI VSS 4
8
7
6
5
BLOCK DIAGRAM
SENSE AMPS
SHIFT REGISTERS
VCC
HOLD
SCL
SI
PIN FUNCTIONS
Pin Name
Function
SO Serial Data Output
SCK
WP
Serial Clock
Write Protect
VCC +1.8V to +6.0V Power Supply
VSS Ground
CS Chip Select
SI
HOLD
Serial Data Input
Suspends Serial Input
NC No Connect
© 1998 by Catalyst Semiconductor, Inc.
Characteristics subject to change without notice
SO
SI
CS
WP
HOLD
SCK
1
WORD ADDRESS
BUFFERS
COLUMN
DECODERS
I/O
CONTROL
SPI
CONTROL
LOGIC
BLOCK
PROTECT
LOGIC
STATUS
REGISTER
XDEC
E2PROM
ARRAY
DATA IN
STORAGE
HIGH VOLTAGE/
TIMING CONTROL
25C128 F02
Doc. No. 25068-00 2/98

PagesPages 10
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