Microchip Technology 25AA512-I/SN Memory IC SOIC-8 マニュアル

目次

• Device Selection Table

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• Features:

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• Pin Function Table

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• Description:

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• Package Types (not to scale)

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• 1.0 Electrical Characteristics

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  • Absolute Maximum Ratings (†)

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  • TABLE 1-1: DC Characteristics

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  • TABLE 1-2: AC Characteristics

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  • TABLE 1-3: AC Test Conditions

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  • FIGURE 1-1: Hold Timing

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  • FIGURE 1-2: Serial Input Timing

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  • FIGURE 1-3: Serial Output Timing

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• 2.0 Functional Description

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  • 2.1 Principles of Operation

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  • Block Diagram

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  • TABLE 2-1: Instruction Set

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    • Read Sequence

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  • FIGURE 2-1: Read Sequence

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  • 2.2 Write Sequence

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  • FIGURE 2-2: Byte Write Sequence

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  • FIGURE 2-3: Page Write Sequence

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  • 2.3 Write Enable (WREN) and Write Disable (WRDI)

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  • FIGURE 2-4: Write Enable Sequence (WREN)

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  • FIGURE 2-5: Write Disable Sequence (WRDI)

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  • 2.4 Read Status Register Instruction (RDSR)

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  • TABLE 2-2: Status Register

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  • FIGURE 2-6: Read Status Register Timing Sequence (RDSR)

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  • 2.5 Write Status Register Instruction (WRSR)

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  • TABLE 2-3: Array Protection

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  • FIGURE 2-7: Write Status Register Timing Sequence (WRSR)

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  • 2.6 Data Protection

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  • 2.7 Power-On State

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  • TABLE 2-4: Write-Protect Functionality Matrix

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  • 2.8 Page Erase

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  • FIGURE 2-8: Page Erase Sequence

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  • 2.9 Sector Erase

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  • FIGURE 2-9: Sector Erase Sequence

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  • 2.10 Chip Erase

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  • FIGURE 2-10: Chip Erase Sequence

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  • 2.11 Deep Power-Down Mode

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  • FIGURE 2-11: Deep Power-Down Sequence

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  • 2.12 Release from Deep Power-down and Read Electronic Signature

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  • FIGURE 2-12: Release from Deep Power-down and REad Electronic Signature

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  • FIGURE 2-13: Release From Deep Power-Down

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• 3.0 PIN DESCRIPTIONS

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  • TABLE 3-1: Pin Function Table

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  • 3.1 Chip Select (CS)

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  • 3.2 Serial Output (SO)

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  • 3.3 Write-Protect (WP)

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  • 3.4 Serial Input (SI)

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  • 3.5 Serial Clock (SCK)

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  • 3.6 Hold (HOLD)

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• 4.0 Packaging Information

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  • 4.1 Package Marking Information

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    • Revision A

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    • Revision B (06/2007)

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    • Revision C (10/2007)

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    • Revision D (03/2008)

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    • Revision E (5/2008)

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    • Revision F (05/10)

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  • The Microchip Web Site

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  • Customer Change Notification Service

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  • Customer Support

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  • Reader Response

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• Trademarks

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• Worldwide Sales

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