Features
• Single Voltage Operation
– 5V Read
– 5V Reprogramming
• Fast Read Access Time - 90 ns
• Internal Program Control and Timer
• 16K bytes Boot Block With Lockout
• Fast Erase Cycle Time - 10 seconds
• Byte-By-Byte Programming - 10 µs/Byte Typical
• Hardware Data Protection
• DATA Polling For End Of Program Detection
• Low Power Dissipation
– 50 mA Active Current
– 100 µA CMOS Standby Current
• Typical 10,000 Write Cycles
8-Megabit
(1M x 8)
5-volt Only
Flash
Description
The AT49F080 is a 5-volt-only in-system Flash Memory device. Its 8-megabits of
memory is organized as 1,024,576 words by 8-bits. Manufactured with Atmel’s
advanced nonvolatile CMOS technology, the device offers access times to 90 ns with
power dissipation of just 275 mW over the commercial temperature range. When the
device is deselected, the CMOS standby current is less than 100 µA.
Memory
AT49F080
AT49F080T
AT49F080/080T
The device contains a user-enabled “boot block” protection feature. Two versions of
the feature are available: the AT49F080 locates the boot block at lowest order
addresses (“bottom boot”); the AT49F080T locates it at highest order addresses (“top
boot”).
(continued)
Pin Configurations
SOIC
Pin Name
A0 - A19
CE
Function
NC
RESET
A11
A10
A9
1
44
43
42
41
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
24
23
VCC
CE
2
Addresses
3
A12
A13
A14
A15
A16
A17
A18
A19
NC
4
Chip Enable
Output Enable
Write Enable
Reset
5
A8
6
A7
7
OE
A6
8
A5
9
WE
A4
10
11
12
13
14
15
16
17
18
19
20
21
22
NC
RESET
RDY/BUSY
I/O0 - I/O7
NC
NC
NC
A3
NC
A2
NC
Ready/Busy Output
Data Inputs/Outputs
No Connect
A1
WE
A0
OE
I/O0
I/O1
I/O2
I/O3
GND
GND
RDY/BUSY
I/O7
I/O6
I/O5
I/O4
VCC
CBGA Top View
1
2
3
4
5
6
7
TSOP Top VIew
Type 1
A
B
C
D
E
F
A19
A17
A15
A13
A5 A8 A11 NC A12 A15 A17
A4 A7 A10 VCC A13 NC A18
A6 A9 RST CE A14 A16 A19
A3 I/O1 NC VCC I/O4 I/O7 NC
A2 A0 I/O3 GND I/O6 OE NC
A1 I/O0 I/O2 GND I/O5 RY/BY WE
NC
1
3
5
7
9
40
A18
A16
A14
A12
VCC
2
39
37
35
NC
WE
38
36
34
32
OE
4
6
RDY/BUSY
I/O6
I/O7
8
33
31
29
27
25
23
I/O5
CE
NC
RESET
A11
I/O4
GND
I/O3
I/O1
A0
10
VCC
11
13
15
17
19
30
28
26
24
22
12
14
GND
I/O2
I/O0
A1
A10
A8
A9
A7
16
18
0584B-A–8/97
A6
A5
A2
A4
20
21
A3
1