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參數(shù)資料
| 型號： | AT27C256R-55PI |
| 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, 55 ns, PDIP28 |
| 封裝： | 0.600 INCH, PLASTIC, DIP-28 |
| 文件頁數(shù)： | 3/9頁 |
| 文件大小： | 251K |
| 代理商： | AT27C256R-55PI |
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) |
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|---|---|
| AT27C256R-55RC | 功能描述:IC OTP 256KBIT 55NS 28SOIC RoHS:否 類別:集成電路 (IC) >> 存儲器 系列:- 標(biāo)準(zhǔn)包裝:32 系列:- 格式 - 存儲器:閃存 存儲器類型:FLASH 存儲容量: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 |
| AT27C256R-55RI | 功能描述:IC OTP 256KBIT 55NS 28SOIC RoHS:否 類別:集成電路 (IC) >> 存儲器 系列:- 標(biāo)準(zhǔn)包裝:32 系列:- 格式 - 存儲器:閃存 存儲器類型:FLASH 存儲容量: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 |
| AT27C256R-55TC | 功能描述:IC OTP 256KBIT 55NS 28TSOP RoHS:否 類別:集成電路 (IC) >> 存儲器 系列:- 標(biāo)準(zhǔn)包裝:32 系列:- 格式 - 存儲器:閃存 存儲器類型:FLASH 存儲容量: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 |
| AT27C256R-55TI | 功能描述:IC OTP 256KBIT 55NS 28TSOP RoHS:否 類別:集成電路 (IC) >> 存儲器 系列:- 標(biāo)準(zhǔn)包裝:32 系列:- 格式 - 存儲器:閃存 存儲器類型:FLASH 存儲容量: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 |
| AT27C256R-70 | 制造商:ATMEL 制造商全稱:ATMEL Corporation 功能描述:256K 32K x 8 OTP CMOS EPROM |
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