Features: • Fast Read Access Time 70 ns• Low Power CMOS Operation 100 µA Max Standby 30 mA Max Active at 5 MHz• JEDEC Standard Packages 32-lead, 600-mil PDIP 32-lead PLCC 32-lead TSOP• 5V ± 10% Supply• High Reliability CMOS Technology 2000V ESD Protection...
AT27C040: Features: • Fast Read Access Time 70 ns• Low Power CMOS Operation 100 µA Max Standby 30 mA Max Active at 5 MHz• JEDEC Standard Packages 32-lead, 600-mil PDIP 32-lead PLC...
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Temperature Under Bias.......................... -55°C to +125°C
Storage Temperature ............................. -65°C to +150°C
Voltage on Any Pin with
Respect to Ground ........................................ -2.0V to +7.0V
Voltage on A9 with
Respect to Ground .......................................-2.0V to +14.0V
VPP Supply Voltage with
Respect to Ground .......................................-2.0V to +14.0V
*NOTICE: Stresses beyond those listed under "Absolute Maximum Ratings" may cause permanent damage to the device. This is a stress rating only and functional operation of the device at these or any other conditions beyond those indicated in the operational sections of this specification is not implied. Exposure to absolute maximum rating conditions for extended periods may affect device reliability.
The AT27C040 chip is a low-power, high-performance, 4,194,304-bit one-time programmable read-only memory (OTP EPROM) organized as 512K by 8 bits. The AT27C040 requires only one 5V power supply in normal read mode operation. Any byte can be accessed in less than 70 ns, eliminating the need for speed reducing WAIT states on high-performance microprocessor systems.