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AT45DB321C-TI Datasheet

  • AT45DB321C-TI

  • 32 MEGABIT 2.7 VOLT DATAFLASH

  • 37頁

  • ATMEL   ATMEL

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Features
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Single 2.7 - 3.6V Supply
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RapidS
鈩?/div>
Serial Interface: 40 MHz Maximum Clock Frequency
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(SPI Modes 0 and 3 Compatible for Frequencies Up to 33 MHz)
Page Program
鈥?8192 Pages (528 Bytes/Page)
Automated Erase Operations
鈥?Page Erase 528 Bytes
鈥?Block Erase 4,224 Bytes
Two 528-byte SRAM Data Buffers 鈥?Allows Receiving of Data
while Reprogramming the Flash Array
Continuous Read Capability through Entire Array
鈥?Ideal for Code Shadowing Applications
Low-power Dissipation
鈥?10 mA Active Read Current Typical 鈥?Serial Interface
鈥?8 碌A CMOS Standby Current Typical
Hardware and Software Data Protection Features
鈥?Individual Sector Locking
Security: 128-byte Security Register
鈥?64-byte User Programmable Space
鈥?Unique 64-byte Device Identifier
JEDEC Standard Manufacturer and Device ID Read
100,000 Program/Erase Cycles per Page
Data Retention 鈥?20 years
Commercial and Industrial Temperature Ranges
Green (Pb/Halide-free) Packaging Options
32-megabit
2.7 volt
DataFlash
廬
AT45DB321C
Preliminary
Description
The AT45DB321C is an SPI compatible, serial-interface Flash memory ideally suited
fo r a w i d e va r i e t y o f d i g i t a l vo i c e - , i m a g e - , p r o g r a m c o d e - a n d d a t a -
storage applications. The AT45DB321C supports a 4-wire serial interface known as
RapidS for applications requiring very high speed operations.
Pin Configurations
Pin Name
CS
SCK
SI
SO
WP
RESET
RDY/BUSY
Function
Chip Select
Serial Clock
Serial Input
Serial Output
Hardware Page
Write Protect Pin
Chip Reset
Ready/Busy
RDY/BUSY
RESET
WP
NC
NC
VCC
GND
NC
NC
NC
CS
SCK
SI
SO
1
2
3
4
5
6
7
8
9
10
11
12
13
14
TSOP Top View 鈥?Type 1
28
27
26
25
24
23
22
21
20
19
18
17
16
15
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
CBGA Top View
through Package
1
2
3
4
5
CASON 鈥?Top View
through Package
SI
SCK
RESET
CS
1
2
3
4
DataFlash Card
(1)
Top View through Package
A
7 6
5 4 3 2 1
NC
NC
NC
NC
NC
NC
SO
GND
6
VCC
5
WP
8
7
B
NC
SCK GND VCC
CS RDY/BSY WP
SO
NC
C
NC
D
NC
SI RESET NC
NC
NC
NC
E
NC
3387B鈥揇FLSH鈥?/04
Note:
1. See AT45DCB004 Datasheet
1

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