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AT45DB161
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MFG:AT Package Cooled:TSOP D/C:01+

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Part Number: AT45DB161

MFG: AT

Package Cooled: TSOP

D/C: 01+

Description: The AT45DB161 is a 2.7-volt only, serial interface Flash memory suitable for in-system reprogramming. Its 17,301, 504 b...

AT45DB161 General Description

The AT45DB161 is a 2.7-volt only, serial interface Flash memory suitable for in-system reprogramming. Its 17,301, 504 bits of memory are organized as 4096 pages of 528 bytes each. In addition to the main memory, the AT45-DB161 also contains two SRAM data buffers of 528 bytes each. The buffers allow receiving of data while a page in the main memory is being reprogrammed. Unlike conventional Flash memories that are accessed randomly with multiple address lines and a parallel interface, the DataFlash uses a serial interface to sequentially access its data. The simple serial interface facilitates hardware layout, increases system reliability, minimizes switching noise, and reduces package size and active pin count. 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. Typical applications for the DataFlash are digital voice storage, image storage, and data storage. The device operates at clock frequencies up to 13 MHz with a typical active read current consumption of 4 mA.

To allow for simple in-system reprogrammability, the AT45DB161 does not require high input voltages for program-ming. The device operates from a single power supply, 2.7V to 3.6V, for both the program and read operations. The AT45DB161 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).

All programming cycles are self-timed, and no separate erase cycle is required before programming.

AT45DB161 Maximum Ratings

Temperature under Bias ................. -55°C to +125°C

Storage Temperature ..................... -65°C to +150°C

All Input Voltages
(including NC Pins)
with Respect to Ground .......................-0.6V to +6.25V

All Output Voltages
with Respect to Ground .................-0.6V to V_CC+ 0.6V

AT45DB161 Features

• Single 2.7V - 3.6V Supply
• Serial Interface Architecture
• Page Program Operation
   Single Cycle Reprogram (Erase and Program)
   4096 Pages (528 Bytes/Page) Main Memory
• Optional Page and Block Erase Operations
• Two 528-Byte SRAM Data Buffers Allows Receiving of Data while Reprogramming of Nonvolatile Memory
• Internal Program and Control Timer
• Fast Page Program Time 7 ms Typical
• 120 ms Typical Page to Buffer Transfer Time
• Low Power Dissipation
   4 mA Active Read Current Typical
   3 mA CMOS Standby Current Typical
• 13 MHz Max Clock Frequency
• Hardware Data Protection Feature
• Serial Peripheral Interface (SPI) Compatible Modes 0 and 3
• CMOS and TTL Compatible Inputs and Outputs
• Commercial and Industrial Temperature Ranges

AT45DB161 Connection Diagram

AT45DB161 datasheet

AT45DB161
PDF/DataSheet Download

Datasheet: AT45DB161
File Size: 229812 KB
Manufacturer: ATMEL [ATMEL Corporation]
Click here to Download

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