Manuels d'utilisation pour STMicroelectronics M48Z12-150PC1 Memory IC

Table des matières

• 1 Description

  5
  • Figure 1. Logic diagram

    5
  • Table 1. Signal names

    5
  • Figure 2. DIP connections

    6
  • Figure 3. Block diagram

    6
• 2 Operation modes

  7
  • Table 2. Operating modes

    7
  • 2.1 READ mode

    7
    • Figure 4. READ mode AC waveforms

      8
    • Table 3. READ mode AC characteristics

      8
  • 2.2 WRITE mode

    8
    • Figure 5. WRITE enable controlled, WRITE AC waveform

      9
    • Figure 6. Chip enable controlled, WRITE AC waveforms

      9
    • Table 4. WRITE mode AC characteristics

      10
  • 2.3 Data retention mode

    10
    • Figure 7. Checking the BOK flag status

      11
  • 2.4 VCC noise and negative going transients

    12
    • Figure 8. Supply voltage protection

      12
• 3 Maximum ratings

  13
  • Table 5. Absolute maximum ratings

    13
• 4 DC and AC parameters

  14
  • Table 6. Operating and AC measurement conditions

    14
  • Figure 9. AC testing load circuit

    14
  • Table 7. Capacitance

    14
  • Table 8. DC characteristics

    15
  • Figure 10. Power down/up mode AC waveforms

    15
  • Table 9. Power down/up AC characteristics

    16
  • Table 10. Power down/up trip points DC characteristics

    16
• 5 Package mechanical data

  17
  • Figure 11. PCDIP24 - 24-pin plastic DIP, battery CAPHAT™, package outline

    17
  • Table 11. PCDIP24 - 24-pin plastic DIP, battery CAPHAT™, package mechanical data

    17
  • Figure 12. Shipping tube dimensions for PCDIP24 package

    18
• 6 Part numbering

  19
  • Table 12. Ordering information scheme

    19
• 7 Environmental information

  20
  • Figure 13. Recycling symbols

    20
• 8 Revision history

  21
  • Table 13. Document revision history

    21