鈥?/div>
鈥?5V Read
鈥?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 碌s/Byte Typical
Hardware Data Protection
DATA Polling For End Of Program Detection
Low Power Dissipation
鈥?50 mA Active Current
鈥?100 碌A(chǔ) CMOS Standby Current
Typical 10,000 Write Cycles
Description
The AT49F080(T) 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鈥檚
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
碌A(chǔ).
The device contains a user-enabled 鈥渂oot block鈥?protection feature. Two versions of
the feature are available: the AT49F080 locates the boot block at lowest order
addresses (鈥渂ottom boot鈥?; the AT49F080T locates it at highest order addresses (鈥渢op
(continued)
boot鈥?.
8-Megabit
(1M x 8)
5-volt Only
Flash Memory
AT49F080
AT49F080T
Pin Configurations
Pin Name
A0 - A19
CE
OE
WE
RESET
RDY/BUSY
I/O0 - I/O7
NC
Function
Addresses
Chip Enable
Output Enable
Write Enable
Reset
Ready/Busy Output
Data Inputs/Outputs
No Connect
TSOP Top VIew
Type 1
A19
A18
A17
A16
A15
A14
A13
A12
CE
VCC
NC
RESET
A11
A10
A9
A8
A7
A6
A5
A4
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
24
23
22
21
NC
NC
WE
OE
RDY/BUSY
I/O7
I/O6
I/O5
I/O4
VCC
GND
GND
I/O3
I/O2
I/O1
I/O0
A0
A1
A2
A3
NC
RESET
A11
A10
A9
A8
A7
A6
A5
A4
NC
NC
A3
A2
A1
A0
I/O0
I/O1
I/O2
I/O3
GND
GND
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
SOIC
44
43
42
41
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
24
23
VCC
CE
A12
A13
A14
A15
A16
A17
A18
A19
NC
NC
NC
NC
WE
OE
RDY/BUSY
I/O7
I/O6
I/O5
I/O4
VCC
CBGA Top View
1
2
3
4
5
6
7
A
A5
B
A4
C
A6
D
A3 I/O1 NC VCC I/O4 I/O7 NC
E
A2
F
A1 I/O0 I/O2 GND I/O5 RY/BY WE
A0 I/O3 GND I/O6 OE NC
A9 RST CE A14 A16 A19
A7 A10 VCC A13 NC A18
A8 A11 NC A12 A15 A17
Rev. 0584C鈥?0/98
1