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PDF 49F1024 Data sheet ( Hoja de datos )
| Número de pieza | 49F1024 | |
| Descripción | AT49F1024 | |
| Fabricantes | ATMEL Corporation | |
| Logotipo |  |
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Features
• Single Voltage Operation
– 5V Read
– 5V Reprogramming
• Fast Read Access Time - 45 ns
• Internal Program Control and Timer
• 8K word Boot Block With Lockout
• Fast Erase Cycle Time - 10 seconds
• Word By Word Programming - 10 µs/Word Typical
• Hardware Data Protection
• DATA Polling For End Of Program Detection
• Small 10 x 14 mm VSOP Package
• Typical 10,000 Write Cycles
Description
The AT49F1024 and the AT49F1025 are 5-volt-only in-system Flash Memories. Their
1 megabit of memory is organized as 65,536 words by 16 bits. Manufactured with
Atmel’s advanced nonvolatile CMOS technology, the devices offer access times to 45
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. The
only difference between the AT49F1024 and the AT49F1025 is the pinout. The
AT49F1024 is pin compatable with the AT27C1024, and the AT49F1025 is pin com-
patable with the AT29C1024.
(continued)
Pin Configurations
Pin Name Function
A0 - A15
Addresses
CE Chip Enable
OE Output Enable
WE Write Enable
I/O0 - I/O15 Data Inputs/Outputs
NC No Connect
AT49F1025 VSOP Top View
Type 1
10 x 14 mm
A0
A1
A2
A3
A4
A5
A6
A7
A8
GND
A9
A10
A11
A12
A13
A14
A15
NC
WE
VCC
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
10 x 14 mm
40 OE
39 I/O0
38 I/O1
37 I/O2
36 I/O3
35 I/O4
34 I/O5
33 I/O6
32 I/07
31 GND
30 I/O8
29 I/O9
28 I/O10
27 I/O11
26 I/O12
25 I/O13
24 I/O14
23 I/O15
22 NC
21 CE
AT49F1024 VSOP Top View
Type 1
10 x 14 mm
A9
A10
A11
A12
A13
A14
A15
NC
WE
VCC
NC
CE
I/O15
I/O14
I/O13
I/O12
I/O11
I/O10
I/O9
I/O8
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
40 GND
39 A8
38 A7
37 A6
36 A5
35 A4
34 A3
33 A2
32 A1
31 A0
30 OE
29 I/O0
28 I/O1
27 I/O2
26 I/O3
25 I/O4
24 I/O5
23 I/O6
22 I/O7
21 GND
PLCC Top View
I/O12
I/O11
I/O10
I/O9
I/O8
GND
NC
I/O7
I/O6
I/O5
I/O4
7
8
9
10
11
12
13
14
15
16
17
39 A13
38 A12
37 A11
36 A10
35 A9
34 GND
33 NC
32 A8
31 A7
30 A6
29 A5
1-Megabit
(64K x 16)
5-volt Only
Flash Memory
AT49F1024
AT49F1025
Rev. 0765D–09/98
1
1 page  
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AT49F1024/1025
DCand AC Operating Range
Operating
Temperature (Case)
VCC Power Supply
Com.
Ind.
AT49F1024/1025-45
0°C - 70°C
5V ± 10%
AT49F1024/1025-55
0°C - 70°C
-40°C - 85°C
5V ± 10%
AT49F1024/1025-70
0°C - 70°C
-40°C - 85°C
5V ± 10%
AT49F1024/1025-90
0°C - 70°C
-40°C - 85°C
5V ± 10%
Operating Modes
Mode
Read
Program(2)
Standby/Write Inhibit
Program Inhibit
Program Inhibit
Output Disable
Product Identification
Hardware
CE OE WE
VIL VIL VIH
VIL VIH VIL
VIH X(1) X
X X VIH
X VIL X
X VIH X
VIL VIL VIH
Software(5)
Notes:
1. X can be VIL or VIH.
2. Refer to AC Programming Waveforms.
3. VH = 12.0V ± 0.5V.
4. Manufacturer Code: 1FH, Device Code: 87H.
5. See details under Software Product Identification Entry/Exit.
Ai
Ai
Ai
X
A1 - A15 = VIL, A9 = VH,(3)
A0 = VIL
A1 - A15 = VIL, A9 = VH,(3)
A0 = VIH
A0 = VIL, A1 - A15 = VIL
A0 = VIH, A1 - A15 = VIL
I/O
DOUT
DIN
High Z
High Z
Manufacturer Code(4)
Device Code(4)
Manufacturer Code(4)
Device Code(4)
DC Characteristics
Symbol
ILI
ILO
Parameter
Input Load Current
Output Leakage Current
ISB1 VCC Standby Current CMOS
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. In the erase mode, ICC is 90 mA.
Condition
VIN = 0V to VCC
VI/O = 0V to VCC
CE = VCC - 0.3V to VCC
CE = 2.0V to VCC
f = 5 MHz; IOUT = 0 mA
IOL = 2.1 mA
IOH = -400 µA
IOH = -100 µA; VCC = 4.5V
Com.
Ind.
Min Max Units
10 µA
10 µA
100 µA
300 µA
3 mA
50 mA
0.8 V
2.0 V
0.45 V
2.4 V
4.2 V
5
5 Page 
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AT49F1024/1025
AT49F1024 Ordering Information(1)
tACC
ICC (mA)
(ns) Active
Standby
Ordering Code
Package
Operation Range
45 50
0.1 AT49F1024-45VC
40V
Commercial
(0° to 70°C)
55 50
0.1 AT49F1024-55VC
40V
Commercial
(0° to 70°C)
50 0.3 AT49F1024-55VI
40V
Industrial
(-40° to 85°C)
70 50
0.1 AT49F1024-70VC
40V
Commercial
(0° to 70°C)
50 0.3 AT49F1024-70VI
40V
Industrial
(-40° to 85°C)
90 50
0.1 AT49F1024-90VC
40V
Commercial
(0° to 70°C)
50 0.3 AT49F1024-90VI
40V
Industrial
(-40° to 85°C)
Note:
1. The AT49F1024 has as optional boot block feature. The part number shown in the Ordering Information table is for devices
with the boot block in the lower address range (i.e., 0000H to 1FFFH). Users requiring the boot block to be in the higher
address range should contact Atmel.
Package Type
40V 40-Lead, Thin Small Outline Package (VSOP) (10 mm x 14 mm)
11
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| Páginas | Total 13 Páginas | |
| PDF Descargar | [ Datasheet 49F1024.PDF ] | |
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