CAT25640HU3IGT3E Datasheet, PDF (1/19 Pages) ON Semiconductor – 64-Kb SPI Serial CMOS EEPROM

CAT25640
64-Kb SPI Serial CMOS
EEPROM
Description
The CAT25640 is a 64−Kb Serial CMOS EEPROM device
internally organized as 8Kx8 bits. This features a 64−byte page write
buffer and supports the Serial Peripheral Interface (SPI) protocol. The
device is enabled through a Chip Select (CS) input. In addition, the
required bus signals are clock input (SCK), data input (SI) and data
output (SO) lines. The HOLD input may be used to pause any serial
communication with the CAT25640 device. The device features
software and hardware write protection, including partial as well as
full array protection.
Features
• 20 MHz (5 V) SPI Compatible
• 1.8 V to 5.5 V Supply Voltage Range
• SPI Modes (0,0) & (1,1)
• 64−byte Page Write Buffer
• Self−timed Write Cycle
• Hardware and Software Protection
• Block Write Protection
− Protect ¹/₄, ¹/₂ or Entire EEPROM Array
• Low Power CMOS Technology
• 1,000,000 Program/Erase Cycles
• 100 Year Data Retention
• Industrial and Extended Temperature Range
• PDIP, SOIC, TSSOP 8−lead, TDFN and UDFN 8−pad Packages
• This Device is Pb−Free, Halogen Free/BFR Free, and RoHS
Compliant
V_CC
SI
CS
WP
CAT25640
SO
HOLD
SCK
V_SS
Figure 1. Functional Symbol
http://onsemi.com
SOIC−8
V SUFFIX
CASE 751BD
UDFN−8*
HU3 SUFFIX
CASE 517AX
TDFN−8*
VP2 SUFFIX
CASE 511AK
PDIP−8
L SUFFIX
CASE 646AA
UDFN−8
HU4 SUFFIX
CASE 517AZ
TSSOP−8
Y SUFFIX
CASE 948AL
PIN CONFIGURATION
CS
1
SO
WP
V_SS
V_CC
HOLD
SCK
SI
PDIP (L), SOIC (V), TSSOP (Y),
TDFN* (VP2), UDFN* (HU3), UDFN (HU4)
* Not recommended for new designs
Pin Name
CS
SO
WP
V_SS
SI
SCK
HOLD
V_CC
PIN FUNCTION
Function
Chip Select
Serial Data Output
Write Protect
Ground
Serial Data Input
Serial Clock
Hold Transmission Input
Power Supply
ORDERING INFORMATION
See detailed ordering and shipping information in the package
dimensions section on page 19 of this data sheet.
© Semiconductor Components Industries, LLC, 2012
1
May, 2012 − Rev. 10
Publication Order Number:
CAT25640/D