用户手册 — STMicroelectronics M48Z12-150PC1 Memory IC

目录

• 1 Description

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  • Figure 1. Logic diagram

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  • Table 1. Signal names

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  • Figure 2. DIP connections

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  • Figure 3. Block diagram

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• 2 Operation modes

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  • Table 2. Operating modes

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  • 2.1 READ mode

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    • Figure 4. READ mode AC waveforms

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    • Table 3. READ mode AC characteristics

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  • 2.2 WRITE mode

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    • Figure 5. WRITE enable controlled, WRITE AC waveform

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    • Figure 6. Chip enable controlled, WRITE AC waveforms

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    • Table 4. WRITE mode AC characteristics

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  • 2.3 Data retention mode

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    • Figure 7. Checking the BOK flag status

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  • 2.4 VCC noise and negative going transients

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    • Figure 8. Supply voltage protection

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• 3 Maximum ratings

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  • Table 5. Absolute maximum ratings

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• 4 DC and AC parameters

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  • Table 6. Operating and AC measurement conditions

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  • Figure 9. AC testing load circuit

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  • Table 7. Capacitance

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  • Table 8. DC characteristics

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  • Figure 10. Power down/up mode AC waveforms

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  • Table 9. Power down/up AC characteristics

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  • Table 10. Power down/up trip points DC characteristics

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• 5 Package mechanical data

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  • Figure 11. PCDIP24 - 24-pin plastic DIP, battery CAPHAT™, package outline

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  • Table 11. PCDIP24 - 24-pin plastic DIP, battery CAPHAT™, package mechanical data

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  • Figure 12. Shipping tube dimensions for PCDIP24 package

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• 6 Part numbering

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  • Table 12. Ordering information scheme

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• 7 Environmental information

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  • Figure 13. Recycling symbols

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• 8 Revision history

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  • Table 13. Document revision history

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