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CAT25640 데이터시트(PDF) 1 Page - ON Semiconductor |
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CAT25640 데이터시트(HTML) 1 Page - ON Semiconductor |
1 / 19 page © Semiconductor Components Industries, LLC, 2012 May, 2012 − Rev. 10 1 Publication Order Number: CAT25640/D 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 SI SO CAT25640 SCK VSS VCC CS WP HOLD Figure 1. Functional Symbol http://onsemi.com PIN CONFIGURATION SI HOLD VCC VSS WP SO CS 1 See detailed ordering and shipping information in the package dimensions section on page 19 of this data sheet. ORDERING INFORMATION SOIC−8 V SUFFIX CASE 751BD TDFN−8* VP2 SUFFIX CASE 511AK SCK PDIP (L), SOIC (V), TSSOP (Y), TDFN* (VP2), UDFN* (HU3), UDFN (HU4) PDIP−8 L SUFFIX CASE 646AA TSSOP−8 Y SUFFIX CASE 948AL Chip Select CS Serial Data Output SO Write Protect WP Ground VSS Serial Data Input SI Serial Clock SCK Function Pin Name PIN FUNCTION Hold Transmission Input HOLD Power Supply VCC UDFN−8* HU3 SUFFIX CASE 517AX * Not recommended for new designs UDFN−8 HU4 SUFFIX CASE 517AZ |
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