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29LV320D 데이터시트 PDF




AMD에서 제조한 전자 부품 29LV320D은 전자 산업 및 응용 분야에서
광범위하게 사용되는 반도체 소자입니다.


PDF 형식의 29LV320D 자료 제공

부품번호 29LV320D 기능
기능 AM29LV320D
제조업체 AMD
로고 AMD 로고


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29LV320D 데이터시트, 핀배열, 회로
Am29LV320D
Data Sheet
www.DataSheet4U.com
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Publication Number 23579 Revision C Amendment +3 Issue Date September 19, 2003




29LV320D pdf, 반도체, 판매, 대치품
GENERAL DESCRIPTION
The Am29LV320D is a 32 megabit, 3.0 volt-only flash
memory device, organized as 2,097,152 words of 16
bwitwswe.DaactahSohere4t4,U1.9co4m,304 bytes of 8 bits each. Word
mode data appears on DQ0–DQ15; byte mode data
appears on DQ0–DQ7. The device is designed to be
programmed in-system with the standard 3.0 volt VCC
supply, and can also be programmed in standard
EPROM programmers.
The device is available with an access time of 90 or
120 ns. The devices are offered in 48-pin TSOP and
48-ball FBGA packages. Standard control pins—chip
enable (CE#), write enable (WE#), and output enable
(OE#)—control normal read and write operations, and
avoid bus contention issues.
The device requires only a single 3.0 volt power sup-
ply for both read and write functions. Internally gener-
ated and regulated voltages are provided for the
program and erase operations.
Am29LV320D Features
The SecSiTM Sector (Secured Silicon) is an extra
sector capable of being permanently locked by AMD
or customers. The SecSi Indicator Bit (DQ7) is per-
manently set to a 1 if the part is factory locked, and
set to a 0 if customer lockable. This way, customer
lockable parts can never be used to replace a factory
locked part. Note that the Am29LV320D has a SecSi
Sector size of 64 Kbytes. AMD devices designated
as replacements or substitutes, such as the
Am29LV320M, will have 256 bytes. This should be
considered during system design.
Factory locked parts provide several options. The
SecSi Sector may store a secure, random 16 byte
ESN (Electronic Serial Number), customer code (pro-
grammed through AMD’s ExpressFlash service), or
both. Customer Lockable parts may utilize the SecSi
Sector as bonus space, reading and writing like any
other flash sector, or may permanently lock their own
code there.
The device offers complete compatibility with the
JEDEC single-power-supply Flash command set
standard. Commands are written to the command
register using standard microprocessor write timings.
Reading data out of the device is similar to reading
from other Flash or EPROM devices.
The host system can detect whether a program or
erase operation is complete by using the device sta-
tus bits: RY/BY# pin, DQ7 (Data# Polling) and
DQ6/DQ2 (toggle bits). After a program or erase cycle
has been completed, the device automatically returns
to the read mode.
The sector erase architecture allows memory sec-
tors to be erased and reprogrammed without affecting
the data contents of other sectors. The device is fully
erased when shipped from the factory.
Hardware data protection measures include a low
VCC detector that automatically inhibits write opera-
tions during power transitions. The hardware sector
protection feature disables both program and erase
operations in any combination of the sectors of mem-
ory. This can be achieved in-system or via program-
ming equipment.
The device offers two power-saving features. When
addresses have been stable for a specified amount of
time, the device enters the automatic sleep mode.
The system can also place the device into the
standby mode. Power consumption is greatly re-
duced in both modes.
2
Am29LV320D
September 19, 2003

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29LV320D 전자부품, 판매, 대치품
CONNECTION DIAGRAMS
www.DataSheet4U.comA15
A14
A13
A12
A11
A10
A9
A8
A19
A20
WE#
RESET#
NC
WP#/ACC
RY/BY#
A18
A17
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
21
22
23
24
48-Pin Standard TSOP
48 A16
47 BYTE#
46 VSS
45 DQ15/A-1
44 DQ7
43 DQ14
42 DQ6
41 DQ13
40 DQ5
39 DQ12
38 DQ4
37 VCC
36 DQ11
35 DQ3
34 DQ10
33 DQ2
32 DQ9
31 DQ1
30 DQ8
29 DQ0
28 OE#
27 VSS
26 CE#
25 A0
September 19, 2003
Am29LV320D
5

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