Product Summary
The AT45DB642D-TU is a 2.7-volt, dual-interface sequential access Flash memory ideally suited for a wide variety of digital voice-, image-, program code- and data-storage applications. The AT45DB642D-TU supports RapidS serial interface and Rapid8 8-bit interface. The device is optimized for use in many commercial and industrial applications where high-density, low-pin count, low-voltage and low-power are essential. The AT45DB642D-TU is enabled through the chip select pin (CS) and accessed via a three-wire interface consisting of the Serial Input (SI), Serial Output (SO), and the Serial Clock (SCK), or an 8-bit interface consisting of the input/output pins (I/O7 - I/O0) and the clock pin (CLK).
Parametrics
AT45DB642D-TU absolute maximum ratings: (1)Temperature under Bias: -55℃ to +125℃ ; (2)Storage Temperature: -65℃ to +150℃; (3)All Input Voltages (including NC Pins) with Respect to Ground: -0.6V to +6.25V; (4)All Output Voltages with Respect to Ground: -0.6V to VCC + 0.6V.
Features
AT45DB642D-TU features: (1)Single 2.7V - 3.6V Supply; (2)Two SRAM Data Buffers (1024/1056 Bytes): Allows Receiving of Data while Reprogramming the Flash Array; (3)Continuous Read Capability through Entire Array: Ideal for Code Shadowing Applications; (4)JEDEC Standard Manufacturer and Device ID Read; (5)100,000 Program/Erase Cycles Per Page Minimum; (6)Data Retention -20 Years; (7)Green (Pb/Halide-free/RoHS Compliant) Packaging Options; (8)Temperature Range: Industrial: -40℃ to +85℃.
Diagrams

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![]() AT45DB642D-TU |
![]() Atmel |
![]() Flash 64M 28 I/O Pin Ser Rapid8 1056B 2.7V |
![]() Data Sheet |
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| Image | Part No | Mfg | Description | ![]() |
Pricing (USD) |
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![]() AT45DB041D-SSU-2.5 |
![]() Atmel |
![]() Flash 4MB SERIAL 2.5V - IND TEMP |
![]() Data Sheet |
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![]() AT45DB041B-CI |
![]() Atmel |
![]() Flash 4M bit |
![]() Data Sheet |
![]() Negotiable |
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![]() |
![]() AT45DB081B-CI-2.5 |
![]() Atmel |
![]() Flash DATAFLASH 2M SERIAL 2.7V 2.5V IND TEMP |
![]() Data Sheet |
![]() Negotiable |
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![]() |
![]() AT45DB041B-RI |
![]() Atmel |
![]() Flash 4M bit |
![]() Data Sheet |
![]() Negotiable |
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![]() |
![]() AT45DB081B-CNI |
![]() Atmel |
![]() Flash 8M SERIAL 2.7V - 2.7V IND TEMP |
![]() Data Sheet |
![]() Negotiable |
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![]() |
![]() AT45DB011-XI |
![]() Atmel |
![]() IC DATAFLASH 1M 14TSSOP |
![]() Data Sheet |
![]() Negotiable |
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(Hong Kong)











