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AT45DB321B-RC Datasheet

  • AT45DB321B-RC

  • 32-megabit 2.7-volt Only DataFlash

  • 32頁(yè)

  • ATMEL   ATMEL

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Features
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Single 2.7V - 3.6V Supply
Serial Peripheral Interface (SPI) Compatible
20 MHz Max Clock Frequency
Page Program Operation
鈥?Single Cycle Reprogram (Erase and Program)
鈥?8192 Pages (528 Bytes/Page) Main Memory
Supports Page and Block Erase Operations
Two 528-byte SRAM Data Buffers 鈥?Allows Receiving of Data
while Reprogramming of Nonvolatile Memory
Continuous Read Capability through Entire Array
鈥?Ideal for Code Shadowing Applications
Low Power Dissipation
鈥?4 mA Active Read Current Typical
鈥?2 碌A(chǔ) CMOS Standby Current Typical
Hardware Data Protection Feature
100% Compatible to AT45DB321
5.0V-tolerant Inputs: SI, SCK, CS, RESET and WP Pins
Commercial and Industrial Temperature Ranges
32-megabit
2.7-volt Only
DataFlash
廬
AT45DB321B
Description
The AT45DB321B is a 2.7-volt only, serial interface Flash memory ideally suited for
a wide variety of digital voice-, image-, program code- and data-storage applications.
Its 34,603,008 bits of memory are organized as 8192 pages of 528 bytes each. In
addition to the main memor y, the AT45DB321B 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, as well as reading or writing a continuous data
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
A
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
CBGA Top View through Package
1
2
3
4
5
B
NC
NC
NC
C
NC
D
NC
SCK GND VCC
CS RDY/BSY WP
SO
NC
NC
NC
E
NC
F
NC
SI RESET NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
G
NC
H
NC
J
NC
SOIC
GND
NC
NC
CS
SCK
SI
SO
NC
NC
NC
NC
NC
NC
NC
1
2
3
4
5
6
7
8
9
10
11
12
13
14
28
27
26
25
24
23
22
21
20
19
18
17
16
15
VCC
NC
NC
WP
RESET
RDY/BUSY
NC
NC
NC
NC
NC
NC
NC
NC
RDY/BUSY
RESET
WP
NC
NC
NC
VCC
GND
NC
NC
NC
NC
CS
SCK
SI
SO
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
TSOP Top View
Type 1
32
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
DataFlash Card
(1)
7 6 5 4 3 2 1
Note:
1.
See AT45DCB004 Datasheet
Rev. 2223D鈥揇FLASH鈥?0/02
1

AT45DB321B-RC 產(chǎn)品屬性

  • 26

  • 集成電路 (IC)

  • 存儲(chǔ)器

  • -

  • 閃存

  • DataFLASH

  • 32M（8192 頁(yè) x 528 字節(jié)）

  • 20MHz

  • SPI 3 線串行

  • 2.7 V ~ 3.6 V

  • 0°C ~ 70°C

  • 28-SOIC（0.342"，8.69mm 寬）

  • 28-SOIC W

  • 管件

AT45DB321B-RC相關(guān)型號(hào)PDF文件下載

  • 型號(hào)
    版本
    描述
    廠商
    下載
  • 英文版
    1-Megabit 5.0-volt Only Serial DataFlash
    ATMEL [ATM...
  • 英文版
    4-Megabit 5-volt Only Serial DataFlash
    ATMEL [ATM...
  • 英文版
    SMALL SIGNAL SCHOTTKY DIODE
    STMICROELECTRON...
  • 英文版
    Rectangular Pushbutton Switch Cap Black Screw On
  • 英文版
    Rectangular Pushbutton Switch Cap White Screw On
  • 英文版
    Rectangular Pushbutton Switch Cap Red Screw On
  • 英文版
    Rectangular Pushbutton Switch Cap Green Screw On
  • 英文版
    Rectangular Pushbutton Switch Cap Blue Screw On
  • 英文版
    Rectangular Pushbutton Switch Cap Gray Screw On
  • 英文版
    Round, Concave Pushbutton Switch Cap Black Screw On
  • 英文版
    Round, Concave Pushbutton Switch Cap White Screw On
  • 英文版
    Round, Concave Pushbutton Switch Cap Red Screw On
  • 英文版
    Round, Concave Pushbutton Switch Cap Green Screw On
  • 英文版
    Round, Concave Pushbutton Switch Cap Blue Screw On
  • 英文版
    Round, Concave Pushbutton Switch Cap Gray Screw On
  • 英文版
    Dual Operational Amplifier for Audio
    ETC
  • 英文版
    Dual Operational Amplifier for Audio
    ETC [ETC]
  • 英文版
    SHROUD RND BK FOR MB20/SCB SER
  • 英文版
    1-Megabit 2.7-volt Only Serial DataFlash
    ATMEL
  • 英文版
    1-Megabit 2.7-volt Only Serial DataFlash
    ATMEL [ATM...

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