AT49F008 Datasheet, PDF (1/12 Pages) ATMEL Corporation – 8-Megabit 1M x 8 5-volt Only Flash Memory

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
Description
The AT49F008 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.
Pin Configurations
(continued)
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
8-Megabit
(1M x 8)
5-volt Only
Flash
Memory
AT49F008
TSOP Top VIew
Type 1
A16 1
A15 2
A14 3
A13 4
A12 5
A11 6
A9 7
A8 8
WE 9
RESET 10
NC 11
RDY/BUSY 12
A18 13
A7 14
A6 15
A5 16
A4 17
A3 18
A2 19
A1 20
40 A17
39 GND
38 NC
37 A19
36 A10
35 I/O7
34 I/O6
33 I/O5
32 I/O4
31 VCC
30 VCC
29 NC
28 I/O3
27 I/O2
26 I/O1
25 I/O0
24 OE
23 GND
22 CE
21 A0
Rev. 0972A–03/98
1