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PDF AT49LV040-90TI Data sheet ( Hoja de datos )
| Número de pieza | AT49LV040-90TI | |
| Descripción | 4-megabit (512K x 8) Single 2.7-volt Battery-Voltage Flash Memory | |
| Fabricantes | ATMEL Corporation | |
| Logotipo |  |
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Features
• Single Voltage for Read and Write: 2.7V to 3.6V (BV), 3.0V to 3.6V (LV)
• Fast Read Access Time – 70 ns
• Internal Program Control and Timer
• 16K Bytes Boot Block with Lockout
• Fast Chip Erase Cycle Time – 10 seconds
• Byte-by-byte Programming – 30 µs/Byte Typical
• Hardware Data Protection
• Data Polling for End of Program Detection
• Low Power Dissipation
– 25 mA Active Current
– 50 µA CMOS Standby Current
• Typical 10,000 Write Cycles
• Small Packaging
– 8 x 14 mm VSOP/TSOP
Description
The AT49BV/LV040 are 3-volt only, 4-megabit Flash memories organized as 524,288
words of 8-bits each. Manufactured with Atmel’s advanced nonvolatile CMOS technol-
ogy, the devices offer access times to 70 ns with power dissipation of just 90 mW over
the commercial temperature range. When the device is deselected, the CMOS
standby current is less than 50 µA.
The device contains a user-enabled “boot block” protection feature. The
AT49BV/LV040 locates the boot block at lowest order addresses (“bottom boot”).
(continued)
4-megabit
(512K x 8)
Single 2.7-volt
Battery-Voltage™
Flash Memory
AT49BV040
AT49LV040
Pin Configurations
Pin Name
A0 - A18
CE
OE
WE
I/O0 - I/O7
Function
Addresses
Chip Enable
Output Enable
Write Enable
Data Inputs/Outputs
PLCC Top View
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
VSOP Top View (8 x 14 mm) or
TSOP Top View (8 x 20 mm)
A11
A9
A8
A13
A14
A17
WE
VCC
A18
A16
A15
A12
A7
A6
A5
A4
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
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
Rev. 0679D–03/01
1
1 page  
AT49BV/LV040
DC and AC Operating Range
Operating
Temperature (Case)
VCC Power Supply
Com.
Ind.
AT49LV040-70
0°C - 70°C
-40°C - 85°C
3.0V to 3.6V
AT49BV/LV040-90
0°C - 70°C
-40°C - 85°C
2.7V to 3.6V/3.0V to 3.6V
AT49BV040-12
0°C - 70°C
-40°C - 85°C
2.7V to 3.6V
Operating Modes
Mode
Read
Program(2)
Standby/Write Inhibit
Program Inhibit
Program Inhibit
Output Disable
Product Identification
CE
VIL
VIL
VIH
X
X
X
OE WE
VIL VIH
VIH VIL
X(1) X
X VIH
VIL X
VIH X
Hardware
VIL VIL VIH
Software(2)
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: 13H
Ai
Ai
Ai
X
A1 - A18 = VIL, A9 = VH,(3)
A0 = VIL
A1 - A18 = VIL, A9 = VH,(3)
A0 = VIH
A0 = VIL, A1 - A18 = VIL
A0 = VIH, A1 - A18 = VIL
DC Characteristics
Symbol Parameter
Condition
ILI
ILO
ISB1
ISB2
ICC(1)
VIL
VIH
VOL
VOH
Notes:
Input Load Current
Output Leakage Current
VCC Standby Current CMOS
VCC Standby Current TTL
VCC Active Current
Input Low Voltage
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, VCC = 3.6V
Input High Voltage
Output Low Voltage
IOL = 2.1 mA
Output High Voltage
IOH = -100 µA; VCC = 3.0V
1. In the erase mode, ICC is 50 mA.
2. See details under “Software Product Identification Entry/Exit” on page 10.
Min
2.0
2.4
I/O
DOUT
DIN
High-Z
High-Z
Manufacturer Code(4)
Device Code(4)
Manufacturer Code(4)
Device Code(4)
Typ Max Units
10 µA
10 µA
50 µA
1 mA
25 mA
0.8 V
V
0.45 V
V
5
5 Page 
AT49BV/LV040 Ordering Information
tACC
ICC (mA)
(ns) Active Standby Ordering Code
90 25
0.05 AT49BV040-90JC
AT49BV040-90TC
AT49BV040-90VC
AT49BV040-90JI
AT49BV040-90TI
AT49BV040-90VI
120 25
0.05 AT49BV040-12JC
AT49BV040-12TC
AT49BV040-12VC
AT49BV040-12JI
AT49BV040-12TI
AT49BV040-12VI
70 25
0.05 AT49LV040-70JC
AT49LV040-70TC
AT49LV040-70VC
AT49LV040-70JI
AT49LV040-70TI
AT49LV040-70VI
90 25
0.05 AT49LV040-90JC
AT49LV040-90TC
AT49LV040-90VC
AT49LV040-90JI
AT49LV040-90TI
AT49LV040-90VI
AT49BV/LV040
Package
32J
32T
32V
32J
32T
32V
32J
32T
32V
32J
32T
32V
32J
32T
32V
32J
32T
32V
32J
32T
32V
32J
32T
32V
Operation Range
Commercial
(0°C to 70°C)
Industrial
(-40°C to 85°C)
Commercial
(0°C to 70°C)
Industrial
(-40°C to 85°C)
Commercial
(0°C to 70°C)
Industrial
(-40°C to 85°C)
Commercial
(0°C to 70°C)
Industrial
(-40°C to 85°C)
Package Type
32J 32-lead, Plastic J-leaded Chip Carrier Package (PLCC)
32T 32-lead, Plastic Thin Small Outline Package (TSOP) (8 x 20 mm)
32V 32-lead, Plastic Thin Small Outline Package (TSOP) (8 x 14 mm)
11
11 Page | ||
| Páginas | Total 13 Páginas | |
| PDF Descargar | [ Datasheet AT49LV040-90TI.PDF ] | |
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| AT49LV040-90TI | 4-megabit (512K x 8) Single 2.7-volt Battery-Voltage Flash Memory | ATMEL Corporation |
| AT49LV040-90TI | 4-megabit (512K x 8) Single 2.7-volt Battery-Voltage Flash Memory | ATMEL Corporation |
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