Microchip Technology SST39LF400A-55-4C-EKE Memory IC TSOP-48 User Manuals

Table of Contents

• Product Description

  2
• Block Diagram

  3
• Pin Assignments

  3
  • Table 1: Pin Description

    6
• Device Operation

  7
  • Read

    7
  • Word-Program Operation

    7
  • Sector/Block-Erase Operation

    7
  • Chip-Erase Operation

    7
  • Write Operation Status Detection

    8
  • Data# Polling (DQ7)

    8
  • Toggle Bit (DQ6)

    8
  • Data Protection

    8
  • Hardware Data Protection

    9
  • Software Data Protection (SDP)

    9
  • Common Flash Memory Interface (CFI)

    9
  • Product Identification

    9
    • Table 2: Product Identification

      9
  • Product Identification Mode Exit/CFI Mode Exit

    10
• Operations

  10
  • Table 3: Operation Modes Selection

    10
  • Table 4: Software Command Sequence

    10
  • Table 5: CFI Query Identification String for SST39LF200A/400A/800A and SST39VF200A/400A/800A

    11
  • Table 6: System Interface Information for SST39LF200A/400A/800A and SST39VF200A/ 400A/800A

    11
  • Table 7: Device Geometry Information for SST39LF/VF200A

    12
  • Table 8: Device Geometry Information for SST39LF/VF400A

    12
  • Table 9: Device Geometry Information for SST39LF/VF800A

    13
  • Table 10: AC Conditions of Test

    14
  • Table 11: DC Operating Characteristics –VDD = 3.0-3.6V for SST39LF200A/400A/800A and 2.7-3.6V for SST39VF200A/400A/800A

    15
  • Table 12: Recommended System Power-up Timings

    15
  • Table 13: Capacitance (TA = 25°C, f=1 Mhz, other pins open)

    15
  • Table 14: Reliability Characteristics

    15
• AC Characteristics

  16
  • Table 15: Read Cycle Timing Parameters VDD = 3.0-3.6V

    16
  • Table 16: Read Cycle Timing Parameters VDD = 2.7-3.6V

    16
  • Table 17: Program/Erase Cycle Timing Parameters

    17
• Product Ordering Information

  29
  • Valid combinations for SST39LF200A

    30
  • Valid combinations for SST39VF200A

    30
  • Valid combinations for SST39LF400A

    30
  • Valid combinations for SST39VF400A

    30
  • Valid combinations for SST39LF800A

    30
  • Valid combinations for SST39VF800A

    30
• Packaging Diagrams

  31
  • Table 18: Revision History

    36
• Features:

  1