AT45DB080 Datasheet, PDF (1/18 Pages) ATMEL Corporation – 8-Megabit 2.7-volt Only Sequential Access Parallel I/O DataFlash

Features
• Single 2.7V - 3.6V Supply
• Sequential Access, Parallel I/O Architecture
• Page Program Operation
– Single Cycle Reprogram (Erase and Program)
– 4096 Pages (264 Bytes/Page) Main Memory
• Two 264-Byte 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 µs Typical Page to Buffer Transfer Time
• Low Power Dissipation
– 4 mA Active Read Current Typical
– 2 µA CMOS Standby Current Typical
• 2 MHz Max Clock Frequency
• Hardware Data Protection Feature
• Synchronous Clocking (Two Modes)
• CMOS and TTL Compatible Inputs and Outputs
• Commercial and Industrial Temperature Ranges
Description
The AT45DB080 is a 2.7-volt only, sequential access, parallel interface Flash memory
suitable for in-system reprogramming. Its 8,650,752 bits of memory are organized as
4096 pages of 264-bytes each. In addition to the main memory, the AT45DB080 also
contains two 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,
Pin Configurations
(continued)
Pin Name
CS
CLK
I/O7-I/O0
WP
RESET
RDY/BUSY
Function
Chip Select
Clock
Input/Output
Hardware Page
Write Protect Pin
Chip Reset
Ready/Busy
SOIC
GND
1
NC
2
NC
3
CS
4
CLK
5
DC
6
DC
7
NC
8
NC
9
I/O0
10
I/O1
11
I/O2
12
I/O3
13
GND
14
28
VCC
27
NC
26
NC
25
WP
24
RESET
23
RDY/BUSY
22
NC
21
NC
20
NC
19
I/O7
18
I/O6
17
I/O5
16
I/O4
15
VCC
TSOP Top View
Type 1
RDY/BUSY 1
RESET 2
WP 3
NC 4
NC 5
NC 6
VCC 7
GND 8
NC 9
NC 10
NC 11
NC 12
CS 13
CLK 14
DC 15
DC 16
32 NC
31 NC
30 NC
29 I/O7
28 I/O6
27 I/O5
26 I/O4
25 VCC
24 GND
23 I/O3
22 I/O2
21 I/O1
20 I/O0
19 NC
18 NC
17 NC
Note: SOIC pins 6 and 7 and TSOP pins 15 and 16 are DON’T CONNECT.
8-Megabit
2.7-volt Only
Sequential
Access
Parallel I/O
DataFlash^®
AT45DB080
Preliminary
Rev. 1075B–06/98
1