数据表 (25AA640-I/SN)目录1.0 ELECTRICAL characteristics2TABLE 1-1: DC Characteristics2TABLE 1-2: AC Characteristics3FIGURE 1-1: HOLD TIMING4FIGURE 1-2: SERIAL INPUT TIMING4FIGURE 1-3: SERIAL OUTPUT TIMING4TABLE 1-3: AC Test Conditions5FIGURE 1-4: AC TEST CIRCUIT52.0 PIN DESCRIPTIONS6TABLE 2-1: pIN fUNCTION tABLE63.0 Functional Description7TABLE 3-1: Instruction set7FIGURE 3-1: READ SEQUENCE8FIGURE 3-2: BYTE WRITE SEQUENCE8FIGURE 3-3: PAGE WRITE SEQUENCE8FIGURE 3-4: WRITE ENABLE SEQUENCE9FIGURE 3-5: WRITE DISABLE SEQUENCE9FIGURE 3-6: READ STATUS REGISTER TIMING SEQUENCE10TABLE 3-2: Array protection11FIGURE 3-7: WRITE STATUS REGISTER TIMING SEQUENCE11TABLE 3-3: Write-Protect functionality Matrix124.0 packaging information13The Microchip Web Site19Customer Change Notification Service19Customer Support19Reader Response20Product Identification System21a) 25AA640-I/SN: Industrial Temp., SOIC package21b) 25AA640T-I/SN: Tape and Reel, Industrial Temp., SOIC package21c) 25AA640X-I/ST: Alternate Pinout Industrial Temp., TSSOP package21d) 25LC640-I/SN: Industrial Temp., SOIC package21e) 25LC640T-I/SN: Tape and Reel, Industrial Temp., SOIC package21f) 25LC640X-I/ST: Alternate Pinout, Industrial Temp., TSSOP package21Trademarks23Worldwide Sales24文件大小： 361.0 KB页数： 24Language: English打开用户手册
