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AT49LV040-70VC 데이터시트 PDF




ATMEL Corporation에서 제조한 전자 부품 AT49LV040-70VC은 전자 산업 및 응용 분야에서
광범위하게 사용되는 반도체 소자입니다.


PDF 형식의 AT49LV040-70VC 자료 제공

부품번호 AT49LV040-70VC 기능
기능 4-megabit (512K x 8) Single 2.7-volt Battery-Voltage Flash Memory
제조업체 ATMEL Corporation
로고 ATMEL Corporation 로고


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AT49LV040-70VC 데이터시트, 핀배열, 회로
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 Atmels 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 blockprotection 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. 0679D03/01
1




AT49LV040-70VC pdf, 반도체, 판매, 대치품
Command Definition (in Hex)
Command
Sequence
Bus
Cycles
1st Bus
Cycle
Addr Data
2nd Bus
Cycle
Addr Data
3rd Bus
Cycle
Addr Data
Read
Chip Erase
1 Addr DOUT
6 5555 AA 2AAA 55 5555 80
Byte Program
4 5555 AA 2AAA 55 5555 A0
Boot Block Lockout(1) 6 5555 AA 2AAA 55 5555 80
Product ID Entry
3 5555 AA 2AAA 55 5555 90
Product ID Exit(2)
3 5555 AA 2AAA 55 5555 F0
Product ID Exit(2)
1 XXXX F0
Notes: 1. The 16K byte boot sector has the address range 00000H to 03FFFH.
2. Either one of the Product ID Exit commands can be used.
4th Bus
Cycle
Addr Data
5555
Addr
5555
AA
DIN
AA
5th Bus
Cycle
Addr Data
2AAA 55
2AAA 55
6th Bus
Cycle
Addr Data
5555 10
5555 40
Absolute Maximum Ratings*
Temperature under Bias ................................ -55°C to +125°C
Storage Temperature ..................................... -65°C to +150°C
All Input Voltages
(including NC Pins)
with Respect to Ground ...................................-0.6V to +6.25V
All Output Voltages
with Respect to Ground .............................-0.6V to VCC + 0.6V
Voltage on OE
with Respect to Ground ..................................-0.6V to + 13.5V
*NOTICE:
Stresses beyond those listed under Absolute Maxi-
mum Ratingsmay cause permanent damage to the
device. This is a stress rating only and functional
operation of the device at these or any other condi-
tions beyond those indicated in the operational sec-
tions of this specification is not implied. Exposure to
absolute maximum rating conditions for extended
periods may affect device reliability.
4 AT49BV/LV040

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AT49LV040-70VC 전자부품, 판매, 대치품
AC Byte Load Characteristics
Symbol
tAS, tOES
tAH
tCS
tCH
tWP
tDS
tDH, tOEH
tWPH
Parameter
Address, OE Setup Time
Address Hold Time
Chip Select Setup Time
Chip Select Hold Time
Write Pulse Width (WE or CE)
Data Setup Time
Data, OE Hold Time
Write Pulse Width High
AC Byte Load Waveforms
WE Controlled
AT49BV/LV040
Min Max Units
0 ns
100 ns
0 ns
0 ns
200 ns
100 ns
0 ns
200 ns
CE Controlled
7

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관련 데이터시트

부품번호상세설명 및 기능제조사
AT49LV040-70VC

4-megabit (512K x 8) Single 2.7-volt Battery-Voltage Flash Memory

ATMEL Corporation
ATMEL Corporation
AT49LV040-70VC

4-megabit (512K x 8) Single 2.7-volt Battery-Voltage Flash Memory

ATMEL Corporation
ATMEL Corporation

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