23K256 MICROCHIP [Microchip Technology], 23K256 Datasheet
23K256
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23K256 Summary of contents
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... Serial Data Input SCK Serial Clock Input HOLD Hold Input V Supply Voltage CC 2010 Microchip Technology Inc. 23A256/23K256 Page Size Temp. Ranges 32 Byte Byte I Description: The Microchip Technology Inc. 23X256 are 256 Kbit Serial SRAM devices. The memory is accessed via a simple Serial Peripheral Interface (SPI) compatible serial bus ...
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... V can be lowered without losing RAM data. This parameter is periodically +0.3V CC Test Conditions 23A256 (I-Temp) 23K256 (I,E-Temp -400 OUT MHz ...
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TABLE 1-2: AC CHARACTERISTICS AC CHARACTERISTICS Param. Sym. Characteristic No Clock frequency CLK setup time CSS hold time CSH disable time CSD 5 Tsu Data setup time 6 T ...
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TABLE 1-2: AC CHARACTERISTICS (CONTINUED) AC CHARACTERISTICS Param. Sym. Characteristic No Output disable time DIS 15 T HOLD setup time HOLD hold time HOLD low to output High ...
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FIGURE 1-1: HOLD TIMING CS 15 SCK HOLD FIGURE 1-2: SERIAL INPUT TIMING CS 2 SCK MSB in SO FIGURE 1-3: SERIAL OUTPUT ...
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... Figure Page Operation – is selected when bits 7 and 6 in the STATUS register are set to 10. The 23A256/23K256 has 1024 pages of 32 Bytes. In this mode, the read and write operations are limited to within the addressed page (the address is automatically incremented internally). If the ...
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... SI High-Impedance SO 2010 Microchip Technology Inc. Description Read data from memory array beginning at selected address Write data to memory array beginning at selected address Read STATUS register Write STATUS register 16-bit Address ...
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FIGURE 2-3: PAGE READ SEQUENCE SCK Instruction High Impedance SCK SI Page X, ...
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FIGURE 2-5: SEQUENTIAL READ SEQUENCE SCK Instruction SCK SI Page X, Word SCK ...
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FIGURE 2-6: SEQUENTIAL WRITE SEQUENCE SCK Instruction SCK Data Byte ...
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Read Status Register Instruction (RDSR) The Read Status Register instruction (RDSR) provides access to the STATUS register. The STATUS register may be read at any time. The STATUS register is formatted as follows: TABLE 2-2: STATUS REGISTER 7 6 ...
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Write Status Register Instruction (WRSR) The Write Status Register instruction (WRSR) allows the user to write to the bits in the STATUS register as shown in Table 2-2. This allows for setting of the Device operating mode. Several ...
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PIN DESCRIPTIONS The descriptions of the pins are listed in TABLE 3-1: PIN FUNCTION TABLE PDIP/SOIC Name Function TSSOP CS 1 Chip Select Input SO 2 Serial Data Output V 4 Ground Serial Data Input SCK ...
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... In the event the full Microchip part number cannot be marked on one line, it will be carried over to the next line, thus limiting the number of available characters for customer-specific information. DS22100E-page 14 Example: 23K256 I/P e 1L7 3 0528 Example: 23K256I SN e 0528 3 1L7 Example: K256 I837 1L7 2010 Microchip Technology Inc. ...
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PLO %RG\ >3',3@ 1RWH N NOTE 1RWHV 2010 Microchip Technology Inc 23X256 c DS22100E-page 15 ...
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Note: DS22100E-page 16 2010 Microchip Technology Inc. ...
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Note: 2010 Microchip Technology Inc. 23X256 DS22100E-page 17 ...
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PP %RG\ >62,&@ 1RWH DS22100E-page 18 2010 Microchip Technology Inc. ...
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PP %RG\ >76623@ 1RWH NOTE 1RWHV 2010 Microchip Technology Inc 23X256 φ L DS22100E-page 19 ...
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Note: For the most current package drawings, please see the Microchip Packaging Specification located at http://www.microchip.com/packaging DS22100E-page 20 2010 Microchip Technology Inc. ...
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APPENDIX A: REVISION HISTORY Revision A (11/2008) Original Release. Revision B (12/2008) Updates; Table 1-1, add Param. D011. Revision C (01/2009) Revised Section 2.5: Added a paragraph. Revision D (04/2009) Removed Preliminary status; Revised Current; Revised Table 1-1, Param. No. ...
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NOTES: DS22100E-page 22 2010 Microchip Technology Inc. ...
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... To register, access the Microchip web site at www.microchip.com, click on Customer Change Notification and follow the registration instructions. 2010 Microchip Technology Inc. 23A256/23K256 CUSTOMER SUPPORT Users of Microchip products can receive assistance through several channels: • Distributor or Representative • ...
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... City / State / ZIP / Country Telephone: (_______) _________ - _________ Application (optional): Would you like a reply? Y 23A256/23K256 Device: Questions: 1. What are the best features of this document? 2. How does this document meet your hardware and software development needs you find the organization of this document easy to follow? If not, why? 4 ...
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... Microchip Technology Inc. X /XX Examples: Package 23A256/23K256 . 23K256-I/ST = 256 Kbit, 3.6V Serial SRAM, Industrial temp., TSSOP package 23A256T-I/SN = 256 Kbit, 1.8V Serial SRAM, Industrial temp., Tape & Reel, SOIC package 23K256-E/ST = 256 Kbit, 3.6V Serial SRAM, Automotive temp., TSSOP package DS22100E-page 25 ...
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... NOTES: DS22100E-page 26 2010 Microchip Technology Inc. ...
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... India. The Company’s quality system processes and procedures are for its PIC MCUs and dsPIC ® devices, Serial EEPROMs, microperipherals, nonvolatile memory and analog products. In addition, Microchip’s quality system for the design and manufacture of development systems is ISO 9001:2000 certified. logo, MPLAB, PIC, PICmicro, PICSTART, ...
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Worldwide Sales and Service AMERICAS ASIA/PACIFIC Corporate Office Asia Pacific Office 2355 West Chandler Blvd. Suites 3707-14, 37th Floor Chandler, AZ 85224-6199 Tower 6, The Gateway Tel: 480-792-7200 Harbour City, Kowloon Fax: 480-792-7277 Hong Kong Technical Support: Tel: 852-2401-1200 http://support.microchip.com ...