AT28BV64B-20JU Part Information

Details for AT28BV64B-20JU by Microchip Technology


Part Description

The Microchip AT28BV64B is a high-performance 64Kbit Parallel EEPROM offering access times to 200ns with 54mW power dissipation and 2.7V supply voltage. Deselected, CMOS standby current is less than 20µA. Access like static RAM for the read or write cycle without external components; it contains a 64-byte page register to allow writing of up to 64 bytes simultaneously. Optional Software Data Protection mechanism guards against inadvertent writes; and an extra 64 bytes of EEPROM enables device identification or tracking.

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Part Features

  • 8 Kbits x 8 (64 Kbit)
  • 2.7V to 3.6V Supply
  • Parallel Interface
  • 200ns access time
  • Self-Timed Erase and Write Cycles (10 ms max)
  • Page Write and Byte Write
  • Data Polling for end of write detection
  • Low Power Consumption
  • Read / Write current 15 mA (Max)
  • Standby current 20 μA (Typ), 50 μA (Max)
  • Write-Protection
  • Hardware Protection
  • Software Data Protect
  • More than 100,000 erase/write cycles
  • Data retention > 10 years
  • Temperature Ranges
  • Standard Temperature Range: -40°C to 85°C
  • Available in Green (Pb/Halide-free) Packaging Only
  • 32-lead, Plastic J-leaded Chip Carrier (PLCC)
  • 28-lead, 0.300" Wide, Plastic Gull Wing Small Outline (SOIC)
  • 28-lead, Plastic Thin Small Outline Package (TSOP)

Part Specifications

Density (Organization) 64Kb
Operating Voltage Min. (V) 2.7
Oper Voltage Max (V) 3.6
Read Access Speed (Par Flash) 200 ns
Organization 8K x 8
Temperature Range -40C to +85C

Alternative Part Descriptions

  • 200NS, PLCC, IND TEMP, GREEN ROHS COMPLIANT: YES | Newark Electronics
  • EEPROM Parallel 64K-bit 8K x 8 3.3V 32-Pin PLCC | Avnet America
  • 200NS PLCC IND TEMP GREEN | Microchip Technology Inc
  • EEPROM Parallel 64K-bit 8K x 8 3.3V 32-Pin PLCC | Avnet Europe
  • AT28BV64B Series 64 Kb (8 K x 8) 3.6 V Battery-Voltage Parallel EEPROM - PLCC-32 | Future Electronics

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