23K640-E/ST Microchip Technology, 23K640-E/ST Datasheet
23K640-E/ST
Specifications of 23K640-E/ST
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23K640-E/ST Summary of contents
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... SI Serial Data Input SCK Serial Clock Input HOLD Hold Input V Supply Voltage CC 2010 Microchip Technology Inc. 23A640/23K640 Page Size Temp. Ranges 32 Byte Byte I Description: The Microchip Technology Inc. 23X640 are 64 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 23A640 (I-Temp) 23K640 (I, E-Temp -400 OUT MHz CLK MHz CLK MHz CLK 1.8V, Inputs tied to V ...
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... Clock delay time CLD 12 T Output valid from clock low Output hold time HO Note 1: This parameter is periodically sampled and not 100% tested. 2010 Microchip Technology Inc. Industrial (I -40°C to +85°C A Automotive (E -40°C to +125°C A Min. Max. Units 1.5V (I-Temp) — ...
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... A Automotive (E -40°C to +125°C A Min. Max. Units — — — — — — — ns — 0 — Test Conditions 1.5V (I-Temp 1.8V (I-Temp 3.0V (E-Temp 3.0V (I-Temp — — — — 2010 Microchip Technology Inc. ...
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... HOLD TIMING CS 15 SCK HOLD FIGURE 1-2: SERIAL INPUT TIMING CS 2 SCK MSB in SO FIGURE 1-3: SERIAL OUTPUT TIMING SCK 12 MSB out SO SI 2010 Microchip Technology Inc High-Impedance n Don’t Care High-Impedance 13 Don’t Care 23X640 LSB LSB out DS22126D-page 5 ...
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... Figure Page Operation – is selected when bits 7 and 6 in the STATUS register are set to 10. The 23A640/23K640 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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... SO FIGURE 2-2: BYTE WRITE SEQUENCE SCK Instruction 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 16-bit Address 23X640 Data Out ...
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... High Impedance SCK SI Page X, Word Y FIGURE 2-4: PAGE WRITE SEQUENCE SCK Instruction SCK Page X, Word Y DS22126D-page 16-bit Address Page X, Word Y Page X, Word 16-bit Address Page X, Word Y Page X, Word Page X, Word Page X, Word Page X, Word Page X, Word 2010 Microchip Technology Inc. ...
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... FIGURE 2-5: SEQUENTIAL READ SEQUENCE SCK Instruction SCK SI Page X, Word SCK SI Page X+1, Word 2010 Microchip Technology Inc 16-bit Address Page X+1, Word Page X+n, Word 23X640 Page X, Word Page X+1, Word Page X+n, Word DS22126D-page 9 ...
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... FIGURE 2-6: SEQUENTIAL WRITE SEQUENCE SCK Instruction SCK Data Byte DS22126D-page 16-bit Address Data Byte Data Byte Data Byte 2010 Microchip Technology Inc. ...
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... SCK Instruction High-Impedance SO 2010 Microchip Technology Inc. The mode bits indicate the operating mode of the SRAM. The possible modes of operation are Byte mode (default operation Page mode Sequential mode Reserved Write and read commands are shown in Figure 2- The HOLD bit enables the Hold pin functionality. It must – ...
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... WRITE STATUS REGISTER TIMING SEQUENCE (WRSR SCK Instruction 2.7 Power-On State The 23X640 powers on in the following state: • The device is in low-power Standby mode ( • A high-to-low-level transition required to enter active state DS22126D-page 12 for the Data to STATUS Register High-Impedance 2010 Microchip Technology Inc. ...
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... Instructions, addresses or data present on the SI pin are latched on the rising edge of the clock input, while data on the SO pin is updated after the falling edge of the clock input. 2010 Microchip Technology Inc. 3.5 Hold (HOLD) The HOLD pin is used to suspend transmission to the Table 3-1 ...
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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. DS22126D-page 14 Example: 23K640 I/P e 1L7 3 0528 Example: 23K640I SN e 0528 3 1L7 Example: K640 I837 1L7 2010 Microchip Technology Inc. ...
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... PLO %RG\ >3',3@ 1RWH N NOTE 1RWHV 2010 Microchip Technology Inc 23X640 c DS22126D-page 15 ...
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... Note: DS22126D-page 16 2010 Microchip Technology Inc. ...
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... Note: 2010 Microchip Technology Inc. 23X640 DS22126D-page 17 ...
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... PP %RG\ >62,&@ 1RWH DS22126D-page 18 2010 Microchip Technology Inc. ...
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... PP %RG\ >76623@ 1RWH NOTE 1RWHV 2010 Microchip Technology Inc 23X640 φ L DS22126D-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 DS22126D-page 20 2010 Microchip Technology Inc. ...
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... Revised Section 2.5: Added a paragraph. Revision C (04/2009) Removed Preliminary status; Revised Current; Revised Table 1-1, Param. No. D009; Revised TSSOP Package marking information; Product ID. Revision D (08/2010) Revised Table 1-1, Param. No. D009; Revised Package Drawings. 2010 Microchip Technology Inc. Standby Revised 23X640 DS22126D-page 21 ...
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... NOTES: DS22126D-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. 23A640/23K640 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 23A640/23K640 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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... TSSOP, 8-lead 2010 Microchip Technology Inc. X /XX Examples: Package 23A640/23K640 . 23K640-I/ Kbit, 3.6V Serial SRAM, Industrial temp., TSSOP package 23A640T-I/ Kbit, 1.8V Serial SRAM, Industrial temp., Tape & Reel, SOIC package 23K640-E/ Kbit, 3.6V Serial SRAM, Automotive temp., TSSOP package DS22126D-page 25 ...
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... NOTES: DS22126D-page 26 2010 Microchip Technology Inc. ...
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... PICtail, REAL ICE, rfLAB, Select Mode, Total Endurance, TSHARC, UniWinDriver, WiperLock and ZENA are trademarks of Microchip Technology Incorporated in the U.S.A. and other countries. SQTP is a service mark of Microchip Technology Incorporated in the U.S.A. All other trademarks mentioned herein are property of their respective companies. ...
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... Philippines - Manila Tel: 63-2-634-9065 Fax: 63-2-634-9069 Singapore Tel: 65-6334-8870 Fax: 65-6334-8850 Taiwan - Hsin Chu Tel: 886-3-6578-300 Fax: 886-3-6578-370 Taiwan - Kaohsiung Tel: 886-7-213-7830 Fax: 886-7-330-9305 Taiwan - Taipei Tel: 886-2-2500-6610 Fax: 886-2-2508-0102 Thailand - Bangkok Tel: 66-2-694-1351 Fax: 66-2-694-1350 2010 Microchip Technology Inc. 08/04/10 ...