AT45DB041-JC ATMEL Corporation, AT45DB041-JC Datasheet
AT45DB041-JC
Manufacturer Part Number
AT45DB041-JC
Description
Manufacturer
ATMEL Corporation
Specifications of AT45DB041-JC
Date_code
99+
Packing_info
PLCC
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
AT45DB041-JC
Manufacturer:
ATM
Quantity:
950
Features
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Description
The AT45DB041 is a 2.7-volt only, serial interface Flash memory suitable for in-sys-
tem reprogramming. Its 4,325,376 bits of memory are organized as 2048 pages of
264-bytes each. In addition to the main memory, the AT45DB041 also contains two
SRAM data buffers of 264-bytes each. The buffers allow receiving of data while a
page in the main memory is being reprogrammed. Unlike conventional Flash memo-
ries that are accessed randomly with multiple address lines and a parallel interface,
the DataFlash uses a serial interface to sequentially access its data. The simple serial
interface facilitates hardware layout, increases system reliability, minimizes switching
Pin Configurations
Pin Name
CS
SCK
SI
SO
WP
RESET
RDY/BUSY
Single 2.7V - 3.6V Supply
Serial Interface Architecture
Page Program Operation
Two 264-Byte SRAM Data Buffers – Allows Receiving of Data
While Reprogramming of Non-Volatile Memory
Internal Program and Control Timer
Fast Page Program Time – 7 ms Typical
120 s Typical Page to Buffer Transfer Time
Low Power Dissipation
5 MHz Max Clock Frequency
Hardware Data Protection Feature
Serial Peripheral Interface (SPI) Compatible – Modes 0 and 3
CMOS and TTL Compatible Inputs and Outputs
Commercial and Industrial Temperature Ranges
RDY/BUSY
– Single Cycle Reprogram (Erase and Program)
– 2048 Pages (264 Bytes/Page) Main Memory
– 4 mA Active Read Current Typical
– 8 A CMOS Standby Current Typical
RESET
GND
VCC
SCK
WP
NC
NC
NC
NC
NC
CS
SO
SI
1
2
3
4
5
6
7
8
9
10
11
12
13
14
Function
Chip Select
Serial Clock
Serial Input
Serial Output
Hardware Page Write
Protect Pin
Chip Reset
Ready/Busy
TSOP Top View
Type 1
Note: PLCC package pins 16
and 17 are DON’T CONNECT.
SCK
SO
NC
NC
NC
NC
NC
NC
SI
5
6
7
8
9
10
11
12
13
28
27
26
25
24
23
22
21
20
19
18
17
16
15
PLCC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
29
28
27
26
25
24
23
22
21
WP
RESET
RDY/BUSY
NC
NC
NC
NC
NC
NC
A
B
C
D
E
Through Package
CBGA Top View
GND
SCK
NC
NC
SO
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
CS
1
SI
SCK
NC
SO
NC
CS
2
RDY/BSY
1
2
3
4
5
6
7
8
9
10
11
12
13
14
GND
NC
NC
3
SI
SOIC
RESET
VCC
NC
WP
NC
4
28
27
26
25
24
23
22
21
20
19
18
17
16
15
(continued)
NC
NC
NC
NC
NC
5
VCC
NC
NC
WP
RESET
RDY/BUSY
NC
NC
NC
NC
NC
NC
NC
NC
4-Megabit
2.7-volt Only
Serial
DataFlash
AT45DB041
Rev. 0669D–07/98
®
1
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