AT27C1024-12JI View Datasheet(PDF) - Atmel Corporation
Part Name
Description
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AT27C1024-12JI Datasheet PDF : 14 Pages
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Features
• Fast Read Access Time – 45 ns
• Low-Power CMOS Operation
– 100 µA Max Standby
– 30 mA Max Active at 5 MHz
• JEDEC Standard Packages
– 40-lead PDIP
– 44-lead PLCC
– 40-lead VSOP
• Direct Upgrade from 512K (AT27C516) EPROM
• 5V ± 10% Power Supply
• High-Reliability CMOS Technology
– 2000V ESD Protection
– 200 mA Latchup Immunity
• Rapid Programming Algorithm – 100 µs/Word (Typical)
• CMOS and TTL Compatible Inputs and Outputs
• Integrated Product Identification Code
• Industrial and Automotive Temperature Ranges
• Green (Pb/Halide-free) Packaging Option
1-Megabit
(64K x 16)
OTP EPROM
AT27C1024
1. Description
The AT27C1024 is a low-power, high-performance 1,048,576 bit one-time program-
mable read-only memory (OTP EPROM) organized 64K by 16 bits. It requires only
one 5V power supply in normal read mode operation. Any word can be accessed in
less than 45 ns, eliminating the need for speed reducing WAIT states. The by-16 orga-
nization make this part ideal for high-performance 16- and 32-bit microprocessor
systems.
In read mode, the AT27C1024 typically consumes 15 mA. Standby mode supply cur-
rent is typically less than 10 µA.
The AT27C1024 is available in industry-standard JEDEC-approved one-time pro-
grammable (OTP) plastic PDIP, PLCC, and VSOP packages. The device features
two-line control (CE, OE) to eliminate bus contention in high-speed systems.
With high density 64K word storage capability, the AT27C1024 allows firmware to be
stored reliably and to be accessed by the system without the delays of mass storage
media.
Atmel’s AT27C1024 have additional features to ensure high quality and efficient pro-
duction use. The Rapid Programming Algorithm reduces the time required to program
the part and guarantees reliable programming. Programming time is typically only
100 µs/word. The Integrated Product Identification Code electronically identifies the
device and manufacturer. This feature is used by industry-standard programming
equipment to select the proper programming algorithms and voltages.
0019M–EPROM–12/07
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