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CAT25C128Y20A-1.8T3

Description
64K 8K x 8 Battery-Voltage CMOS E2PROM
Categorystorage    storage   
File Size442KB,12 Pages
ManufacturerCatalyst
Websitehttp://www.catalyst-semiconductor.com/
Environmental Compliance
Download Datasheet Parametric View All

CAT25C128Y20A-1.8T3 Overview

64K 8K x 8 Battery-Voltage CMOS E2PROM

CAT25C128Y20A-1.8T3 Parametric

Parameter NameAttribute value
Is it Rohs certified?conform to
MakerCatalyst
Parts packaging codeTSSOP
package instructionTSSOP, TSSOP20,.25
Contacts20
Reach Compliance Codeunknow
ECCN codeEAR99
Maximum clock frequency (fCLK)1 MHz
Data retention time - minimum100
Durability100000 Write/Erase Cycles
JESD-30 codeR-PDSO-G20
JESD-609 codee3
length6.5 mm
memory density131072 bi
Memory IC TypeEEPROM
memory width8
Number of functions1
Number of terminals20
word count16384 words
character code16000
Operating modeSYNCHRONOUS
Maximum operating temperature105 °C
Minimum operating temperature-40 °C
organize16KX8
Package body materialPLASTIC/EPOXY
encapsulated codeTSSOP
Encapsulate equivalent codeTSSOP20,.25
Package shapeRECTANGULAR
Package formSMALL OUTLINE, THIN PROFILE, SHRINK PITCH
Parallel/SerialSERIAL
Peak Reflow Temperature (Celsius)260
power supply2/5 V
Certification statusNot Qualified
Maximum seat height1.1 mm
Serial bus typeSPI
Maximum standby current0.00001 A
Maximum slew rate0.01 mA
Maximum supply voltage (Vsup)5.5 V
Minimum supply voltage (Vsup)1.8 V
Nominal supply voltage (Vsup)5 V
surface mountYES
technologyCMOS
Temperature levelINDUSTRIAL
Terminal surfaceMatte Tin (Sn)
Terminal formGULL WING
Terminal pitch0.65 mm
Terminal locationDUAL
Maximum time at peak reflow temperature40
width3 mm
Maximum write cycle time (tWC)10 ms
write protectHARDWARE/SOFTWARE
Base Number Matches1
CAT25C128/256
CAT25C128/256
128K/256K-Bit SPI Serial CMOS EEPROM
FEATURES
I
5 MHz SPI Compatible
I
1.8 to 5.5 Volt Operation
I
Hardware and Software Protection
I
Low Power CMOS Technology
I
SPI Modes (0,0 &1,1)
I
Industrial and Automotive
I
Self-Timed Write Cycle
I
64-Byte Page Write Buffer
I
Block Write Protection
– Protect 1/4, 1/2 or all of EEPROM Array
I
100,000 Program/Erase Cycles
I
100 Year Data Retention
I
RoHS-compliant packages
Temperature Ranges
DESCRIPTION
The CAT25C128/256 is a 128K/256K-Bit SPI Serial
CMOS EEPROM internally organized as 16Kx8/32Kx8
bits. Catalyst’s advanced CMOS Technology
substantially reduces device power requirements. The
CAT25C128/256 features a 64-byte page write buffer.
The device operates via the SPI bus serial interface
and is enabled through 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 CAT25C128/256 is designed with software and
hardware write protection features including Block Lock
protection. The device is available in 8-pin DIP, 8-pin
SOIC, 14-pin TSSOP and 20-pin TSSOP packages.
PIN CONFIGURATION
SOIC Package
(V**, X)
CS
SO
WP
VSS
1
2
3
4
8
7
6
5
VCC
HOLD
SCK
SI
BLOCK DIAGRAM
1
2
3
4
5
6
7
14
13
12
11
10
9
8
TSSOP Package (Y14)**
CS
SO
NC
NC
NC
WP
VSS
V CC
HOLD
NC
NC
NC
SCK
SI
SENSE AMPS
SHIFT REGISTERS
WORD ADDRESS
BUFFERS
COLUMN
DECODERS
DIP Package (L)
CS
SO
WP
SS
1
2
3
4
8
7
6
5
VCC
HOLD
SCK
SI
TSSOP Package (Y20)**
NC
CS
SO
SO
NC
NC
WP
VSS
NC
NC
1
2
3
4
5
6
7
8
9
10
20
19
18
17
16
15
14
13
12
11
**CAT25C128 only.
NC
V CC
HOLD
HOLD
NC
NC
SCK
SI
NC
NC
SO
SI
CS
WP
HOLD
SCK
I/O
CONTROL
SPI
CONTROL
LOGIC
BLOCK
PROTECT
LOGIC
CONTROL LOGIC
XDEC
EE PROM
ARRAY
PIN FUNCTIONS
Pin Name
SO
SCK
WP
V
CC
V
SS
CS
SI
HOLD
NC
Function
Serial data Output
Serial Clock
Write Protect
Power Supply
Ground
Chip Select
Serial Data Input
Suspends Serial Input
No Connect
DATA IN
STORAGE
HIGH VOLTAGE/
TIMING CONTROL
STATUS
REGISTER
For Ordering Information details, see page 11.
© 2005 by Catalyst Semiconductor, Inc.
Characteristics subject to change without notice
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