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參數(shù)資料
| 型號(hào)： | AT27LV256A-70RC |
| 廠商： | ATMEL CORP |
| 元件分類： | DRAM |
| 英文描述： | High Speed CMOS Logic 14-Stage Binary Counter with Oscillator 16-TSSOP -55 to 125 |
| 中文描述： | 32K X 8 OTPROM, 70 ns, PDSO28 |
| 封裝： | 0.330 INCH, PLASTIC, SOIC-28 |
| 文件頁(yè)數(shù)： | 8/9頁(yè) |
| 文件大?。?/td> | 221K |
| 代理商： | AT27LV256A-70RC |
AC Programming Characteristics
T
A
= 25
±
5°C, V
CC
= 6.5
±
0.25V, V
PP
= 13.0
±
0.25V
Sym-
bol
Parameter
Test
Conditions*
(1)
Limits
Min
Units
Max
t
AS
t
OES
t
DS
t
AH
t
DH
Address Setup Time
2
μ
s
OE Setup Time
2
μ
s
Data Setup Time
2
μ
s
Address Hold Time
0
μ
s
Data Hold Time
OE High to
Output Float Delay
(2)
V
PP
Setup Time
2
μ
s
t
DFP
0
130
ns
t
VPS
t
VCS
t
PW
t
OE
2
μ
s
V
CC
Setup Time
CE Program Pulse Width
(3)
Data Valid from OE
(2)
V
PP
Pulse Rise Time
During Programming
2
μ
s
95
105
μ
s
150
ns
t
PRT
50
ns
*AC Conditions of Test:
Input Rise and Fall Times (10% to 90%)...........20 ns
Input Pulse Levels................................0.45V to 2.4V
Input Timing Reference Level...............0.8V to 2.0V
Output Timing Reference Level............0.8V to 2.0V
Notes: 1. V
CC
must be applied simultaneously or before V
PP
and removed simultaneously or after V
PP
.
2. This parameter is only sampled and is not 100%
tested. Output Float is defined as the point where
data is no longer driven —see timing diagram.
3. Program Pulse width tolerance is 100
μ
sec
±
5%.
Atmel’s 27LV256A Integrated
Product Identification Code
(1)
Codes
Pins
Hex
Data
A0
O7 O6 O5 O4 O3 O2 O1 O0
Manufacturer
Device Type
Note:
0
1
0
1
0
0
0
0
1
0
1
1
1
1
1
0
0
0
1E
8C
1. The AT27LV256A has the same Product Identification
Code as the AT27C256R. Both are programming
compatible.
Rapid
Programming Algorithm
A 100
μ
s CE pulse width is used to program. The address
is set to the first location. V
CC
is raised to 6.5V and V
PP
is
raised to 13.0V. Each address is first programmed with
one 100
μ
s CE pulse without verification. Then a verifica-
tion / reprogramming loop is executed for each address.
In the event a byte fails to pass verification, up to 10 suc-
cessive 100
μ
s pulses are applied with a verification after
each pulse. If the byte fails to verify after 10 pulses have
been applied, the part is considered failed. After the byte
verifies properly, the next address is selected until all have
been checked. V
PP
is then lowered to 5.0V and V
CC
to
5.0V. All bytes are read again and compared with the
original data to determine if the device passes or fails.
3-82
AT27LV256A
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| AT27LV256A-70RI | High Speed CMOS Logic 14-Stage Binary Counter with Oscillator 16-TSSOP -55 to 125 |
| AT27LV256A-70TC | High Speed CMOS Logic 14-Stage Binary Counter with Oscillator 16-TSSOP -55 to 125 |
| AT27LV256A-70TI | High Speed CMOS Logic 14-Stage Binary Counter with Oscillator 16-TSSOP -55 to 125 |
| AT27LV256A-90JC | High Speed CMOS Logic 14-Stage Binary Counter with Oscillator 16-TSSOP -55 to 125 |
| AT27LV256A-90JI | High Speed CMOS Logic 14-Stage Binary Counter with Oscillator 16-TSSOP -55 to 125 |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| AT27LV256A-70TC | 功能描述:IC OTP 256KBIT 70NS 28TSOP RoHS:否 類別:集成電路 (IC) >> 存儲(chǔ)器 系列:- 標(biāo)準(zhǔn)包裝:32 系列:- 格式 - 存儲(chǔ)器:閃存 存儲(chǔ)器類型:FLASH 存儲(chǔ)容量:1M (128K x 8) 速度:120ns 接口:并聯(lián) 電源電壓:2.7 V ~ 3.6 V 工作溫度:0°C ~ 70°C 封裝/外殼:32-LCC（J 形引線） 供應(yīng)商設(shè)備封裝:32-PLCC 包裝:管件 其它名稱:AT49BV00112JC |
| AT27LV256A-70TI | 功能描述:IC OTP 256KBIT 70NS 28TSOP RoHS:否 類別:集成電路 (IC) >> 存儲(chǔ)器 系列:- 標(biāo)準(zhǔn)包裝:32 系列:- 格式 - 存儲(chǔ)器:閃存 存儲(chǔ)器類型:FLASH 存儲(chǔ)容量:1M (128K x 8) 速度:120ns 接口:并聯(lián) 電源電壓:2.7 V ~ 3.6 V 工作溫度:0°C ~ 70°C 封裝/外殼:32-LCC（J 形引線） 供應(yīng)商設(shè)備封裝:32-PLCC 包裝:管件 其它名稱:AT49BV00112JC |
| AT27LV256A-90JC | 功能描述:IC OTP 256KBIT 90NS 32PLCC RoHS:否 類別:集成電路 (IC) >> 存儲(chǔ)器 系列:- 標(biāo)準(zhǔn)包裝:32 系列:- 格式 - 存儲(chǔ)器:閃存 存儲(chǔ)器類型:FLASH 存儲(chǔ)容量:1M (128K x 8) 速度:120ns 接口:并聯(lián) 電源電壓:2.7 V ~ 3.6 V 工作溫度:0°C ~ 70°C 封裝/外殼:32-LCC（J 形引線） 供應(yīng)商設(shè)備封裝:32-PLCC 包裝:管件 其它名稱:AT49BV00112JC |
| AT27LV256A-90JI | 功能描述:可擦除可編程ROM 256Kb (32Kx8) OTP 3V 90ns RoHS:否 制造商:Maxim Integrated 類型: 存儲(chǔ)容量:1024 bit 組織:1 K x 1 接口類型: 工作電流:5 uA 編程電壓: 工作電源電壓:2.8 V to 6 V 最大工作溫度:+ 85 C 安裝風(fēng)格:Through Hole 封裝 / 箱體:TO-92 |
| AT27LV256A-90JN | 制造商:Atmel Corporation 功能描述: |
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