參數(shù)資料
型號(hào)： L256ML123RF
廠商： Advanced Micro Devices, Inc.
英文描述： 256 Megabit (16 M x 16-Bit/32 M x 8-Bit) MirrorBitTM 3.0 Volt-only Uniform Sector Flash Memory with VersatileI/OTM Control
中文描述： 256兆位（16 M中的x 16-Bit/32 M中的x 8位）MirrorBitTM 3.0伏特，只有統(tǒng)一閃存部門與VersatileI /價(jià)外控制
文件頁(yè)數(shù)： 54/69頁(yè)
文件大?。?/td> 546K
代理商： L256ML123RF
52
Am29LV256M
December 16, 2005
D A T A S H E E T
AC CHARACTERISTICS
Erase and Program Operations
Notes:
1. Not 100% tested.
2. See the
“Erase And Programming Performance”
section for more information.
3. For 1–16 words/1–32 bytes programmed.
4. Effective write buffer specification is based upon a 16-word/32-byte write buffer operation.
5. Byte/Word programming specification is based upon a single word/byte programming operation not utilizing the write buffer.
6. AC specifications listed are tested with V
IO
= V
CC
. Contact AMD for information on AC operation with V
IO
≠
V
CC.
7. When using the program suspend/resume feature, if the suspend command is issued within t
POLL
, t
POLL
must be fully
re-applied upon resuming the programming operation. If the suspend command is issued after t
POLL
, t
POLL
is not required
again prior to reading the status bits upon resuming.
Parameter
Speed Options
JEDEC
Std.
Description
103, 103R
113, 113R
123, 123R
Unit
t
AVAV
t
WC
Write Cycle Time (Note 1)
Min
100
110
120
ns
t
AVWL
t
AS
Address Setup Time
Min
0
ns
t
ASO
Address Setup Time to OE# low during toggle bit polling
Min
15
ns
t
WLAX
t
AH
Address Hold Time
Min
45
ns
t
AHT
Address Hold Time From CE# or OE# high
during toggle bit polling
Min
0
ns
t
DVWH
t
DS
Data Setup Time
Min
45
ns
t
WHDX
t
DH
Data Hold Time
Min
0
ns
t
OEPH
Output Enable High during toggle bit polling
Min
20
ns
t
GHWL
t
GHWL
Read Recovery Time Before Write
(OE# High to WE# Low)
Min
0
ns
t
ELWL
t
CS
CE# Setup Time
Min
0
ns
t
WHEH
t
CH
CE# Hold Time
Min
0
ns
t
WLWH
t
WP
Write Pulse Width
Min
35
ns
t
WHDL
t
WPH
Write Pulse Width High
Min
30
ns
t
WHWH1
t
WHWH1
Write Buffer Program Operation (Notes 2, 3)
Typ
240
μs
Effective Write Buffer Program Operation
(Notes 2, 4)
Per Byte
Typ
7.5
μs
Per Word
Typ
15
μs
Accelerated Effective Write Buffer Program
Operation (Notes 2, 4)
Per Byte
Typ
6.25
μs
Per Word
Typ
12.5
μs
Single Byte/Word
Program Operation (Note 2, 5)
Byte
Typ
60
μs
Word
Typ
60
μs
Accelerated Single Byte/Word
Programming Operation (Note 2, 5)
Byte
Typ
54
μs
Word
Typ
54
μs
t
WHWH2
t
WHWH2
Sector Erase Operation (Note 2)
Typ
0.5
sec
t
VHH
V
HH
Rise and Fall Time (Note 1)
Min
250
ns
t
VCS
V
CC
Setup Time (Note 1)
Min
50
μs
t
BUSY
Erase/Program Valid to RY/BY# Delay
Max
100
110
120
ns
t
POLL
Program Valid Before Status Polling (Note 7)
Max
4
μs
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