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45DB161B fiches techniques PDF

ATMEL Corporation - AT45DB161B

Numéro de référence 45DB161B
Description AT45DB161B
Fabricant ATMEL Corporation 
Logo ATMEL Corporation 





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45DB161B fiche technique
Features
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Serial Peripheral Interface (SPI) Compatible
20 MHz Max Clock Frequency
Page Program Operation
– Single Cycle Reprogram (Erase and Program)
– 4096 Pages (528 Bytes/Page) Main Memory
Supports Page and Block Erase Operations
Two 528-byte SRAM Data Buffers – Allows Receiving of Data
while Reprogramming of Nonvolatile Memory
Continuous Read Capability through Entire Array
– Ideal for Code Shadowing Applications
Low Power Dissipation
– 4 mA Active Read Current Typical
– 2 µA CMOS Standby Current Typical
Hardware Data Protection Feature
100% Compatible to AT45DB161
5.0V-tolerant Inputs: SI, SCK, CS, RESET and WP Pins
Commercial and Industrial Temperature Ranges
Green (Pb/Halide-free) Packaging Options
Description
The AT45DB161B is a 2.5-volt or 2.7-volt only, serial interface Flash memory ideally
suited for a wide variety of digital voice-, image-, program code- and data-storage
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
DataFlash Card(1)
Top View through Package
7654321
TSOP Top View – Type 1
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
28 NC
27 NC
26 NC
25 NC
24 NC
23 NC
22 NC
21 NC
20 NC
19 NC
18 NC
17 NC
16 NC
15 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 VCC
27 NC
26 NC
25 WP
24 RESET
23 RDY/BUSY
22 NC
21 NC
20 NC
19 NC
18 NC
17 NC
16 NC
15 NC
CBGA Top View
through Package
12345
A
NC NC NC NC
B
NC SCK GND VCC NC
C
NC CS RDY/BSY WP NC
D
NC SO SI RESET NC
E
NC NC NC NC NC
16-megabit
2.5-volt Only or
2.7-volt Only
DataFlash®
AT45DB161B
Note: 1. See AT45DCB002 Datasheet.
CASON – Top View through Package
SI 1
SCK 2
RESET 3
CS 4
8 SO
7 GND
6 VCC
5 WP
Rev. 2224I–DFLSH–10/04
1

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