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CAT25C32U20SE-1.8TE13

产品描述64K 8K x 8 Battery-Voltage CMOS E2PROM
产品类别配件   
文件大小71KB,共11页
制造商Catalyst
官网地址http://www.catalyst-semiconductor.com/
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CAT25C32U20SE-1.8TE13概述

64K 8K x 8 Battery-Voltage CMOS E2PROM

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CAT25C32/64
32K/64K-Bit SPI Serial CMOS EEPROM
FEATURES
s
10 MHz SPI compatible
s
1.8 to 6.0 volt operation
s
Hardware and software protection
s
Low power CMOS technology
s
SPI modes (0,0 &1,1)
s
Commercial, industrial and automotive
s
1,000,000 program/erase cycles
s
100 year data tetention
s
Self-timed write cycle
H
GEN
FR
ALO
EE
LE
A
D
F
R
E
E
TM
s
8-pin DIP/SOIC, 14-pin TSSOP and 20-pin
TSSOP
s
64-Byte page write buffer
s
Block write protection
temperature ranges
– Protect 1/4, 1/2 or all of EEPROM array
DESCRIPTION
The CAT25C32/64 is a 32K/64K-Bit SPI Serial CMOS
EEPROM internally organized as 4Kx8/8Kx8 bits.
Catalyst’s advanced CMOS Technology substantially
reduces device power requirements. The CAT25C32/
64 features a 64-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 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 CAT25C32/64 is
designed with software and hardware write protection
features including Block write protection. The device is
available in 8-pin DIP, 8-pin SOIC, 14-pin TSSOP and
20-pin TSSOP packages.
PIN CONFIGURATION
DIP Package (P, L)
CS
SO
WP
VSS
1
2
3
4
8
7
6
5
VCC
HOLD
SCK
SI
SOIC Package (S, V)
CS
SO
WP
VSS
1
2
3
4
8
7
6
5
VCC
HOLD
SCK
SI
TSSOP Package (U14, Y14)
CS
SO
NC
NC
NC
WP
V
SS
TSSOP Package (U20, Y20)
NC
CS
SO
SO
NC
NC
WP
V
SS
NC
NC
1
2
3
4
5
6
7
14
13
12
11
10
9
8
VCC
HOLD
NC
NC
NC
SCK
SI
BLOCK DIAGRAM
SENSE AMPS
SHIFT REGISTERS
1
2
3
4
5
6
7
8
9
10
20
19
18
17
16
15
14
13
12
11
NC
VCC
HOLD
HOLD
NC
NC
SCK
SI
NC
NC
WORD ADDRESS
BUFFERS
COLUMN
DECODERS
PIN FUNCTIONS
Pin Name
Function
Serial Data Output
Serial Clock
Write Protect
+1.8V to +6.0V Power Supply
Ground
Chip Select
Serial Data Input
Suspends Serial Input
No Connect
SO
SI
CS
WP
HOLD
SCK
I/O
CONTROL
SPI
CONTROL
LOGIC
BLOCK
PROTECT
LOGIC
CONTROL LOGIC
SO
XDEC
E
2
PROM
ARRAY
SCK
WP
V
CC
V
SS
DATA IN
STORAGE
HIGH VOLTAGE/
TIMING CONTROL
STATUS
REGISTER
CS
SI
HOLD
NC
© 2004 by Catalyst Semiconductor, Inc.
Characteristics subject to change without notice
Doc No. 1001, Rev. G
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