CAT25080 CATALYST [Catalyst Semiconductor], CAT25080 Datasheet

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CAT25080

Manufacturer Part Number
CAT25080
Description
8-Kb and 16-Kb SPI Serial CMOS EEPROM
Manufacturer
CATALYST [Catalyst Semiconductor]
Datasheet

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8-Kb and 16-Kb SPI Serial CMOS EEPROM
FEATURES
PIN CONFIGURATION
PIN FUNCTION
© 2006 Catalyst Semiconductor, Inc.
Characteristics subject to change without notice
Pin Name
CS
SO
¯¯¯
WP
V
SI
SCK
¯¯¯¯¯
HOLD
V
¯¯
SS
CC
10 MHz SPI compatible
1.8V to 5.5V supply voltage range
SPI modes (0,0) & (1,1)
32-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 temperature range
RoHS-compliant 8 lead PDIP, SOIC, TSSOP and
8-pad TDFN, UDFN packages
Function
Chip Select
Serial Data Output
Write Protect
Ground
Serial Data Input
Serial Clock
Hold Transmission Input
Power Supply
¯¯¯
WP
V
CS
SO
¯¯
SS
UDFN (HU2)
TDFN (VP2)
TSSOP (Y)
1
2
3
4
SOIC (V)
PDIP (L)
8 V
7 HOLD
6 SCK
5 SI
¯¯¯¯¯
CC
1
DESCRIPTION
The CAT25080/25160 are 8-Kb/16-Kb Serial CMOS
EEPROM
1024x8/2048x8 bits. They feature a 32-byte page
write buffer and support the Serial Peripheral Interface
(SPI) protocol. The device is enabled through a Chip
Select (CS
are a clock input (SCK), data input (SI) and data
output (SO) lines. The HOLD
pause
CAT25080/25160 device. These devices feature
software and hardware write protection, including
partial as well as full array protection.
FUNCTIONAL SYMBOL
For Ordering Information details, see page 16.
HOLD
¯¯ ) input. In addition, the required bus signals
SCK
any
WP
CS
SI
devices
CAT25080, CAT25160
serial
CAT25080
CAT25160
¯¯¯¯¯ input may be used to
internally
communication
GND
V
CC
organized
Doc. No. 1122 Rev. A
SO
with
the
as

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CAT25080 Summary of contents

Page 1

... Power Supply CC © 2006 Catalyst Semiconductor, Inc. Characteristics subject to change without notice CAT25080, CAT25160 DESCRIPTION The CAT25080/25160 are 8-Kb/16-Kb Serial CMOS EEPROM devices internally 1024x8/2048x8 bits. They feature a 32-byte page write buffer and support the Serial Peripheral Interface (SPI) protocol. The device is enabled through a Chip Select (CS ¯ ...

Page 2

... CAT25080, CAT25160 ABSOLUTE MAXIMUM RATINGS Parameters Storage Temperature Voltage on any Pin with Respect to Ground RELIABILITY CHARACTERISTICS Symbol Parameter (4) N Endurance END T Data Retention DR D.C. OPERATING CHARACTERISTICS V = +1.8V to +5.5V, T =-40°C to +85°C unless otherwise specified Symbol Parameter I Supply Current CC I Standby Current ...

Page 3

... WC © 2006 Catalyst Semiconductor, Inc. Characteristics subject to change without notice ( 50pF L is stable until the specified operation can be initiated CAT25080, CAT25160 = 1.8V-5. 2.5V-5. Min. Max. Min. Max ...

Page 4

... CAT25080/160. When CS tri-stated (high impedance) and the device is in Standby Mode (unless an internal write operation is in progress). Every communication session between host and CAT25080/160 must be preceded by a high to low transition and concluded with a low to high transition of ¯¯ input. the CS ¯ ...

Page 5

... Protected 0 Protected 1 Protected 0 Protected 1 Protected 5 CAT25080, CAT25160 ¯¯¯ pin is low and the WPEN bit is 1. This ¯¯¯ pin is high or the ¯¯¯ pin and WEL bit 2 1 BP0 WEL Protection No Protection Quarter Array Protection Half Array Protection ...

Page 6

... BP0 and BP1 bits from the status register. Write Enable and Write Disable The internal Write Enable Latch and the corresponding Status Register WEL bit are set by sending the WREN instruction to the CAT25080/160. Care must be taken to Figure 2. WREN Timing CS SCK SI ...

Page 7

... Once the WEL bit is set, the user may execute a write sequence, by sending a WRITE instruction, a 16-bit address and data as shown in Figure 4. Only 10 significant address bits are used by the CAT25080 and 11 by the CAT25160. The rest are don’t care bits, as shown in Table 5. Internal programming will start after ¯ ...

Page 8

... CAT25080, CAT25160 Write Status Register The Status Register is written by sending a WRSR instruction according to timing shown in Figure 6. Only bits 2, 3 and 7 can be written using the WRSR command. Figure 6. WRSR Timing SCK HIGH IMPEDANCE SO Note: Dashed Line = mode ( ¯ ...

Page 9

... To read from memory, the host sends a READ instruction followed by a 16-bit address (see Table 5 for the number of significant address bits). After receiving the last address bit, the CAT25080/160 will respond by shifting out data on the SO pin (as shown in Figure 8). Sequentially stored data can be read out by simply continuing to run the clock ...

Page 10

... HOLD SO Note: Dashed Line = mode ( Doc. No. 1122 Rev. A The CAT25080/160 device powers write disable state and in a low power standby mode. A WREN instruction must be issued prior any writes to the device. ¯¯¯¯¯ After power up, the CS pin must be brought low to enter ¯ ...

Page 11

... For current Tape and Reel information, download the PDF file from: http://www.catsemi.com/documents/tapeandreel.pdf. Notes: (1) All dimensions are in millimeters. (2) Complies with JEDEC specification MS001 (3) Dimensioning and tolerancing per ANSI Y14.5M-1982. © 2006 Catalyst Semiconductor, Inc. Characteristics subject to change without notice 3.81 11 CAT25080, CAT25160 E eB Doc. No. 1122 Rev. A ...

Page 12

... CAT25080, CAT25160 8-LEAD 150 MIL SOIC ( SYMBOL MIN NOM A1 0.10 A 1.35 b 0.33 C 0.19 D 4.80 E 5.80 E1 3.80 e 1.27 BSC h 0.25 L 0.40 q1 0° For current Tape and Reel information, download the PDF file from: http://www.catsemi.com/documents/tapeandreel.pdf. Notes: (1) All dimensions are in millimeters. (2) Complies with JEDEC specification MS-012. ...

Page 13

... For current Tape and Reel information, download the PDF file from: http://www.catsemi.com/documents/tapeandreel.pdf. Notes: (1) All dimensions are in millimeters. (2) Complies with JEDEC Standard MO-153 © 2006 Catalyst Semiconductor, Inc. Characteristics subject to change without notice MAX 1.20 0.15 1.05 0.30 0.20 3.10 6.50 4.50 0.75 8.00 13 CAT25080, CAT25160 SEE DETAIL A GAGE PLANE 0.25 L SEATING PLANE SEE DETAIL A Doc. No. 1122 Rev ...

Page 14

... CAT25080, CAT25160 8-PAD TDFN (2 x 3mm) PACKAGE (VP2) E PIN 1 INDEX AREA 0.70 0.75 A1 0.00 0.02 A2 0.45 0.55 A3 0.20 REF b 0.20 0.25 D 1.90 2.00 D2 1.30 1.40 E 2.90 3.00 E2 1.20 1.30 e 0.50 TYP L 0.20 0.30 For current Tape and Reel information, download the PDF file from: http://www.catsemi.com/documents/tapeandreel.pdf. Notes: (1) All dimensions are in millimeters. (2) Complies with JEDEC specification MO-229. ...

Page 15

... For current Tape and Reel information, download the PDF file from: http://www.catsemi.com/documents/tapeandreel.pdf. Notes: (1) All dimensions are in millimeters. (2) Complies with JEDEC specification MO-229. © 2006 Catalyst Semiconductor, Inc. Characteristics subject to change without notice SIDE VIEW BOTTOM VIEW DETAIL A 15 CAT25080, CAT25160 DETAIL A PIN#1 INDENTIFICATION Doc. No. 1122 Rev. A ...

Page 16

... CAT25080, CAT25160 ORDERING INFORMATION Prefix Device # Suffix CAT 25160 Company ID L: PDIP V: SOIC, JEDEC Product Number Y: TSSOP 25080: 8-Kb VP2: TDFN (2 x 3mm) 25160: 16-Kb HU2: UDFN (2 x 2mm) Notes: (1) All packages are RoHS-compliant (Lead-free, Halogen-free). (2) The standard lead finish is NiPdAu. (3) The device used in the above example is a CAT25160VI-GT3 (SOIC, Industrial Temperature, NiPdAu, Tape & Reel). ...

Page 17

REVISION HISTORY Date Rev. Comments Initial Issue 12/06/2006 A Copyrights, Trademarks and Patents Trademarks and registered trademarks of Catalyst Semiconductor include each of the following: Beyond Memory™, DPP™, EZDim™, MiniPot™, and Quad-Mode™ Catalyst Semiconductor has been issued U.S. and foreign ...

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