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PDF AT49F008 Data sheet ( Hoja de datos )
| Número de pieza | AT49F008 | |
| Descripción | 8-Megabit 1M x 8 5-volt Only Flash Memory | |
| Fabricantes | ATMEL Corporation | |
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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
A15
A14
A13
A12
A11
A9
A8
WE
RESET
NC
RDY/BUSY
A18
A7
A6
A5
A4
A3
A2
A1
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
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
1 page  
AT49F008
DC and AC Operating Range
AT49F008-90
AT49F008-12
AT49F008-15
Operating
Temperature (Case)
Com.
Ind.
0°C - 70°C
-40°C - 85°C
0°C - 70°C
-40°C - 85°C
0°C - 70°C
-40°C - 85°C
VCC Power Supply
5V ± 10%
5V ± 10%
5V ± 10%
Operating Modes
Mode
CE OE WE RESET
Ai
I/O RDY/BUSY
Read
Program(2)
Standby/Write
Inhibit
VIL VIL VIH
VIL VIH VIL
VIH X(1) X
VIH
VIH
VIH
Ai
Ai
X
DOUT
DIN
High Z
VOH
VOL
VOH
Program Inhibit
X X VIH VIH
Program Inhibit
X VIL X
VIH
Output Disable
X VIH X
VIH
RESET
X X X VIL
X
Product Identification
Hardware
VIL VIL VIH VIH
A1 - A19 = VIL, A9 = VH,(3)
A0 = VIL
A1 - A19 = VIL, A9 = VH,(3)
A0 = VIH
Software(5)
Notes: 1. X can be VIL or VIH.
2. Refer to AC Programming Waveforms.
A0 = VIL, A1 - A19 = VIL
A0 = VIH, A1 - A19 = VIL
3. VH = 12.0V ± 0.5V
4. Manufacturer Code: 1FH
Device Code: 22H
5. See details under Software Product Identification Entry/Exit.
DC Characteristics
High Z
High Z
Manufacturer Code(4)
Device Code(4)
Manufacturer Code(4)
Device Code(4)
VOH
VOH
VOH
Symbol
Parameter
Condition
Min Max Units
ILI Input Load Current
ILO Output Leakage Current
IPD Power Down Current
ISB1 VCC Standby Current CMOS
VIN = 0V to VCC
VI/O = 0V to VCC
RESET = GND ± 0.2V
CE = VCC - 0.3V to VCC
Com.
Ind.
10 µA
10 µA
100 µA
100 µA
300 µA
ISB2
ICC(1)
VIL
VIH
VOL
VOH1
VOH2
Note:
VCC Standby Current TTL
VCC Active Current
Input Low Voltage
Input High Voltage
Output Low Voltage
Output High Voltage
Output High Voltage CMOS
1. ICC in the erase mode is 90 mA.
CE = 2.0V to VCC
f = 5 MHz; IOUT = 0 mA
IOL = 2.1 mA
IOH = -400 µA
IOH = -100 µA; VCC = 4.5V
3
50
0.8
2.0
0.45
2.4
4.2
mA
mA
V
V
V
V
V
5
5 Page 
Ordering Information
tACC
(ns)
ICC (mA)
Active
Standby
90 50
0.1
50 0.3
120 50
0.1
50 0.3
150 50
0.1
50 0.3
Ordering Code
AT49F008-90TC
AT49F008-90TI
AT49F008-12TC
AT49F008-12TI
AT49F008-15TC
AT49F008-15TI
AT49F008
Package
40T
40T
40T
40T
40T
40T
Operation Range
Commercial
(0° to 70°C)
Industrial
(-40° to 85°C)
Commercial
(0° to 70°C)
Industrial
(-40° to 85°C)
Commercial
(0° to 70°C)
Industrial
(-40° to 85°C)
Pakage Type
40T 40-Lead, Thin Small Outline Package (TSOP)
11
11 Page | ||
| Páginas | Total 12 Páginas | |
| PDF Descargar | [ Datasheet AT49F008.PDF ] | |
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