鈥?/div>
Single 2.5V - 3.6V or 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?4096 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 AT45DB161
5.0V-tolerant Inputs: SI, SCK, CS, RESET and WP Pins
Commercial and Industrial Temperature Ranges
Green (Pb/Halide-free) Packaging Options
16-megabit
2.5-volt Only or
2.7-volt Only
DataFlash
廬
AT45DB161B
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
GND
NC
NC
CS
SCK
SI
SO
NC
NC
NC
NC
NC
NC
NC
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
SOIC
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
CBGA Top View
through Package
1
2
3
4
5
A
NC
NC
NC
NC
NC
NC
B
NC
SCK GND VCC
CS RDY/BSY WP
SO
NC
DataFlash Card
(1)
Top View through Package
7 6 5 4 3 2 1
C
NC
D
NC
SI RESET NC
NC
NC
NC
E
NC
CASON 鈥?Top View through Package
SI
SCK
RESET
CS
1
2
3
4
Note:
1. See AT45DCB002 Datasheet.
SO
GND
6
VCC
5
WP
8
7
Rev. 2224I鈥揇FLSH鈥?0/04
1