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