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參數(shù)資料
| 型號(hào)： | AT27C256R-45RC |
| 廠商： | ATMEL CORP |
| 元件分類： | DRAM |
| 英文描述： | 256K 32K x 8 OTP CMOS EPROM |
| 中文描述： | 32K X 8 OTPROM, 45 ns, PDSO28 |
| 封裝： | 0.330 INCH, PLASTIC, SOIC-28 |
| 文件頁數(shù)： | 3/9頁 |
| 文件大?。?/td> | 251K |
| 代理商： | AT27C256R-45RC |
Block Diagram
Temperature Under Bias ................ -55°C to +125°C
Storage Temperature...................... -65°C to +150°C
Voltage on Any Pin with
Respect to Ground.........................-2.0V to +7.0V
(1)
Voltage on A9 with
Respect to Ground ......................-2.0V to +14.0V
(1)
V
PP
Supply Voltage with
Respect to Ground.......................-2.0V to +14.0V
(1)
*NOTICE: Stresses beyond those listed under “Absolute Maxi-
mum Ratings” may cause permanent damage to the device.
This is a stress rating only and functional operation of the
device at these or any other conditions beyond those indi-
cated in the operational sections of this specification is not
implied. Exposure to absolute maximum rating conditions
for extended periods may affect device reliability.
Note:
1. Minimum voltage is -0.6V dc which may undershoot
to -2.0V for pulses of less than 20 ns. Maximum out-
put pin voltage is V
CC
+ 0.75V dc which may over-
shoot to +7.0V for pulses of less than 20 ns.
Absolute Maximum Ratings*
Operating Modes
Mode \ Pin
Read
Output Disable
Standby
Rapid Program
(2)
PGM Verify
(2)
Optional PGM Verify
(2)
PGM Inhibit
(2)
CE
V
IL
V
IL
V
IH
V
IL
OE
V
IL
V
IH
Ai
Ai
V
PP
V
CC
V
CC
V
CC
V
PP
V
PP
V
CC
V
PP
Outputs
D
OUT
High Z
High Z
D
IN
D
OUT
D
OUT
High Z
X
(1)
X
(1)
Ai
Ai
Ai
X
(1)
A9 = V
H
(3)
A0 = V
IH
or V
IL
A1 - A14 = V
IL
4. Two identifier bytes may be selected. All Ai inputs
are held low (V
IL
), except A9 which is set to V
H
and A0
which is toggled low (V
IL
) to select the Manufacturer’s Identi-
fication byte and high (V
IH
) to select the Device Code byte.
X
(1)
V
IH
V
IL
V
IL
V
IH
X
(1)
V
IL
V
IH
Product Identification
(4)
V
IL
V
IL
V
CC
Identification
Code
Notes: 1. X can be V
IL
or V
IH
.
2. Refer to Programming characteristics.
3. V
H
= 12.0
±
0.5V.
AT27C256R
3-127
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| AT27C256R-45RI | 功能描述:可擦除可編程ROM 256Kb (32Kx8) OTP 5V 45ns 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 |
| AT27C256R-45RU | 功能描述:可擦除可編程ROM 256Kb (32Kx8) OTP 5V 45ns 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 |
| AT27C256R-45TC | 功能描述:可擦除可編程ROM 256k bit 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 |
| AT27C256R-45TI | 功能描述:可擦除可編程ROM 256Kb (32Kx8) OTP 5V 45ns 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 |
| AT27C256R-45TU | 功能描述:可擦除可編程ROM 256Kb (32Kx8) OTP 5V 45ns 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 |
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