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AT27BV400 Datasheet 4-Megabit 256K x 16 or 512K x 8 Unregulated Battery-Voltage High Speed OTP EPROM

Manufacturer: Atmel (now Microchip Technology)

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General Description

The AT27BV400 is a high performance low-power, low-voltage 4,194,304-bit one time programmable read only memory (OTP EPROM) organized as either 256K by 16 or 512K by 8 bits.

It requires only one supply in the range of 2.7 to 3.6V in normal read (continued) PLCC Pin Configurations Pin Name A0 - A17 O0 - O15 O15/A-1 BYTE/VPP CE OE NC Function Addresses Outputs Output/Address Byte Mode/ Program Supply Chip Enable Output Enable No Connect A4 A3 A2 A1 A0 CE GND OE O0 O8 O1 7 8 9 10 11 12 13 14 15 16 17 6 5 4 3 2 1 44 43 42 41 40 A5 A6 A7 A17 NC GND NC A8 A9 A10 A11 39 38 37 36 35 34 33 32 31 30 29 A12 A13 A14 A15 A16 BYTE/VPP GND O15/A-1 07 O14 O6 4-Megabit (256K x 16 or 512K x 8) Unregulated Battery-Voltage™ High Speed OTP EPROM AT27BV400 Preliminary TSOP Type 1 A15 A14 A13 A12 A11 A10 A9 A8 NC NC NC NC NC NC NC NC A17 A7 A6 A5 A4 A3 A2 A1 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 25 A16 BYTE/VPP GND 015/A-1 O7 O14 O6 O13 O5 O12 O4 VCC O11 O3 O10 O2 O9 O1 O8 O0 OE GND CE A0 AT27BV400 Preliminary SOIC (SOP) NC NC A17 A7 A6 A5 A4 A3 A2 A1 A0 CE GND OE O0 O8 O1 O9 O2 O10 O3 O11 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 44 43 42 4

Key Features

  • Fast Read Access Time - 120 ns.
  • Word-wide or Byte-wide Configurable.
  • Dual Voltage Range Operation.
  • Unregulated Battery Power Supply Range, 2.7V to 3.6V or Standard 5V ± 10% Supply Range 4-Megabit Flash and Mask ROM Compatable Low Power CMOS Operation.
  • 20 µA Maximum Standby.
  • 10 mA Max. Active at 5 MHz for VCC = 3.6V JEDEC Standard Packages.
  • 44-Lead PLCC.
  • 44-Lead SOIC (SOP).
  • 48-Lead TSOP.

More Datasheets from Atmel (now Microchip Technology)

Part Number Description
AT27BV4096 4 Megabit 256K x 16 Unregulated Battery-Voltage High Speed OTP CMOS EPROM
AT27BV010 1 Megabit 128K x 8 Unregulated Battery-Voltage OTP CMOS EPROM
AT27BV020 2-Megabit 256K x 8 Unregulated Battery-Voltage High Speed OTP EPROM
AT27BV040 4 Megabit 512K x 8 Unregulated Battery-Voltage High Speed OTP CMOS EPROM
AT27BV1024 1Mb PROM
AT27BV256 256K One-time PROM
AT27BV512 512K 64K x 8 Unregulated Battery-Voltage High Speed OTP CMOS EPROM
AT27BV800 8-Megabit 512K x 16 or 1024K x 8 Unregulated Battery-Voltage High Speed OTP EPROM
AT27C010 1 Megabit 128K x 8 OTP CMOS EPROM
AT27C020 2-Megabit EPROM