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CAT25C021S16-17

Description
EEPROM, 256X8, Serial, CMOS, PDSO16
Categorystorage    storage   
File Size160KB,12 Pages
ManufacturerCatalyst
Websitehttp://www.catalyst-semiconductor.com/
Download Datasheet Parametric View All

CAT25C021S16-17 Overview

EEPROM, 256X8, Serial, CMOS, PDSO16

CAT25C021S16-17 Parametric

Parameter NameAttribute value
Is it Rohs certified?incompatible
Objectid101095914
package instructionSOP, SOP16,.25
Reach Compliance Codeunknown
ECCN codeEAR99
Data retention time - minimum100
Durability1000000 Write/Erase Cycles
JESD-30 codeR-PDSO-G16
JESD-609 codee0
memory density2048 bit
Memory IC TypeEEPROM
memory width8
Number of terminals16
word count256 words
character code256
Maximum operating temperature70 °C
Minimum operating temperature
organize256X8
Package body materialPLASTIC/EPOXY
encapsulated codeSOP
Encapsulate equivalent codeSOP16,.25
Package shapeRECTANGULAR
Package formSMALL OUTLINE
Parallel/SerialSERIAL
power supply2/5 V
Certification statusNot Qualified
Serial bus typeSPI
Maximum slew rate0.005 mA
surface mountYES
technologyCMOS
Temperature levelCOMMERCIAL
Terminal surfaceTin/Lead (Sn/Pb)
Terminal formGULL WING
Terminal pitch1.27 mm
Terminal locationDUAL
write protectHARDWARE/SOFTWARE
Advanced
CAT25CXXX
Supervisory Circuits with SPI Serial E
2
PROM, Precision Reset Controller and Watchdog Timer
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
s
Watchdog Timer on
CS
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
Block Write Protection
Temperature Ranges
s
Active High or Low Reset Outputs
– Protect 1/4, 1/2 or all of E
2
PROM Array
s
Programmable Watchdog Timer
s
Built-in inadvertent Write Protection
– Precision Power Supply Voltage Monitoring
– 5V, 3.3V, 3V and 1.8V Options
– V
CC
Lock Out
DESCRIPTION
The CAT25CXXX is a single chip solution to three
popular functions of EEPROM Memory, precision reset
controller and watchdog timer. The EEPROM Memory is
a 2K/4K/8K/16K/32K-Bit SPI Serial CMOS E
2
PROM
internally organized as 256x8/512x8/1024x8/2048x8/
4096x8 bits. Catalyst’s advanced CMOS Technology
substantially reduces device power requirements. The
2K/4K devices feature a 16-byte page write buffer. The
8K/16K/32K devices feature a 32-byte page write
buffer.The device operates via the SPI bus serial inter-
face 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 reset function of the 25CXXX protects the
system during brown out and power up/down condtions.
During system failure the watchdog timer feature pro-
tects the microcontroller with a reset signal. The
CAT25CXXX is designed with software and hardware
write protection features including Block Lock protec-
tion. The device is available in 8-pin DIP, 8-pin SOIC, 16-
pin SOIC and 14-pin TSSOP packages.
PIN CONFIGURATION
TSSOP Package (U14)
CS
SO
NC
NC
NC
WP
V
SS
SOIC Package (S16)
CS
SO
NC
NC
NC
NC
WP
V
SS
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
VCC
RESET/RESET
NC
NC
NC
NC
SCK
SI
SOIC Package (S)
CS
SO
WP
VSS
1
2
3
4
8
7
6
5
VCC
RESET/RESET
SCK
SI
DIP Package (P)
CS
SO
WP
VSS
1
2
3
4
8
7
6
5
VCC
RESET/RESET
SCK
SI
1
2
3
4
5
6
7
14
13
12
11
10
9
8
VCC
RESET/RESET
NC
NC
NC
SCK
SI
© 1998 by Catalyst Semiconductor, Inc.
Characteristics subject to change without notice
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