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AT45DB1282 Datasheet, PDF (1/35 Pages) ATMEL Corporation – 128-megabit 2.7-volt Dual-interface DataFlash | |||
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Features
⢠Single 2.7V - 3.6V Supply
⢠Dual-interface Architecture
â RapidS⢠Serial Interface: 40 MHz Maximum Clock Frequency
(SPI Modes 0 and 3 Compatible for Frequencies up to 33 MHz)
â Rapid8⢠8-bit Interface: 20 MHz Maximum Clock Frequency
⢠Page Program Operation
â Dedicated Intelligent Programming Operation
â 16,384 Pages (1,056 Bytes/Page) Main Memory
⢠Automated Page and Block Erase Operations
⢠Two 1056-byte SRAM Data Buffers â Allows Receiving of Data
while Reprogramming the Flash Array
⢠Continuous Read Capability through Entire Array
â Ideal for Code Shadowing Applications
⢠Low-power Dissipation
â 10 mA Active Read Current Typical â Serial Interface
â 12 mA Active Read Current Typical â 8-bit Interface
â 5 µA CMOS Standby Current Typical
⢠Hardware Data Protection
⢠Security: 128-byte Security Register
â 64-byte User Programmable Space
â Unique 64-byte Device Identifier
⢠100,000 Program/Erase Cycles Per Page Typical
⢠Data Retention â 10 Years
⢠Commercial and Industrial Temperature Ranges
Description
The AT45DB1282 is a 2.7-volt, dual-interface sequential access Flash memory ideally
suited for a wide variety of digital voice-, image-, program code- and data-storage
Pin Configurations
Pin Name
CS
SCK/CLK
SI
SO
I/O7 - I/O0
WP
RESET
RDY/BUSY
SER/BYTE
Function
Chip Select
Serial Clock/Clock
Serial Input
Serial Output
8-bit Input/Output
Hardware Page Write
Protect Pin
Chip Reset
Ready/Busy
Serial/8-bit Interface
Control
Note:
*Optional Use â See pin description text
for connection information.
TSOP Top View: Type 1
NC 1
NC 2
RDY/BUSY 3
RESET 4
WP 5
NC 6
NC 7
NC 8
VCC 9
GND 10
NC 11
NC 12
NC 13
NC 14
CS 15
SCK 16
SI* 17
SO* 18
NC 19
NC 20
40 NC
39 NC
38 NC
37 NC
36 NC
35 I/O7*
34 I/O6*
33 I/O5*
32 I/O4*
31 VCCP*
30 GNDP*
29 I/O3*
28 I/O2*
27 I/O1*
26 I/O0*
25 SER/BYTE*
24 CLK
23 NC
22 NC
21 NC
CBGA Top View
1 23 45
A
B
C
NC SER/BYTE NC I/O7 I/O6
D
I/O2 SCK/CLK GND VCC I/O5
E
I/O1 CS RDY/BUSY WP I/O4
F
I/O0 SO SI RESET I/O3
G
NC GNDP VCCP NC NC
H
J
128-megabit
2.7-volt
Dual-interface
DataFlash®
AT45DB1282
Preliminary
â¢
Rev. 2472CâDFLSHâ11/03
1
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