3365C–FLASH–9/03
1-megabit
(128K x 8)
5-volt Only
Flash Memory
AT49F001A
AT49F001AN
AT49F001AT
AT49F001ANT
PLCC Top View
A0 - A16 Addresses
CE Chip Enable
OE Output Enable
WE Write Enable
RESET RESET
I/O0 - I/O7 Data Inputs/Outputs
NC No Connect
5
6
7
8
9
10
11
12
13
29
28
27
26
25
24
23
22
21
A7
A6
A5
A4
A3
A2
A1
A0
I/O0
A14
A13
A8
A9
A11
OE
A10
CE
I/O7
4 3 2 1
32 31 30
14 15 16 17 18 19 20
I/O1 I/O2
GND
I/O3 I/O4 I/O5 I/O6
A12 A15 A16 RESET * VCC WE NC
Type 1
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
32
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
A11
A9
A8
A13
A14
NC
WE
VCC
* RESET
A16
A15
A12
A7
A6
A5
A4
OE
A10
CE
I/O7
I/O6
I/O5
I/O4
I/O3
GND
I/O2
I/O1
I/O0
A0
A1
A2
A3
Note: *This pin is a NC on the AT49F001AN(T)
Features
Single-voltage Operation
–5V Read
– 5V Reprogramming
Fast Read Access Time – 45 ns
Internal Program Control and Timer
Sector Architecture
– One 16K Bytes Boot Block with Pr
– Two 8K Bytes Parameter Blocks
– Two Main Memory Blocks (32K B
Fast Erase Cycle Time – 3 Seconds
Byte-by-Byte Programming – 30 µs/Byte
Hardware Data Protection
DATA Polling for End of Program Det
Low Power Dissipation
– 20 mA Active Current
– 50 µA CMOS Standby Current
Typical 10,000 Write Cycles
Description
The AT49F001A(N)(T) is a 5-volt only i
1 megabit of memory is organized as
Atmel’s advanced nonvolatile CMOS
45 ns with power dissipation of just 110
Pin Configurations
Pin Name Function
ogramming Lockout
ytes, 64K Bytes)
Typical
ection
n-system reprogrammable Flash memory. Its
131,072 words by 8 bits. Manufactured with
technology, the device offers access times to
mW over the industrial temperature range.
VSOP Top View (8 x 14 mm) or
TSOP Top View (8 x 20 mm)
1