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參數(shù)資料
| 型號： | AT27C256R |
| 廠商： | Atmel Corp. |
| 英文描述： | High-Speed CMOS Logic Phase-Locked Loop with VCO 16-SOIC -40 to 85 |
| 中文描述： | 256K 32K的× 8檢察官辦公室的CMOS存儲器 |
| 文件頁數(shù)： | 3/9頁 |
| 文件大小： | 251K |
| 代理商： | AT27C256R |
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
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| AT27C256R-55PI | 256K 32K x 8 OTP CMOS EPROM |
| AT27C256R-55RC | High-Speed CMOS Logic Phase-Locked Loop with VCO 16-TVSOP -40 to 85 |
| AT27C256R-55RI | 256K 32K x 8 OTP CMOS EPROM |
| AT27C256R-55TC | High-Speed CMOS Logic Phase-Locked Loop with VCO 16-SOIC -40 to 85 |
| AT27C256R-55TI | 256K 32K x 8 OTP CMOS EPROM |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| AT27C256R_07 | 制造商:ATMEL 制造商全稱:ATMEL Corporation 功能描述:256K (32K x 8) OTP EPROM |
| AT27C256R-12 | 制造商:ATMEL 制造商全稱:ATMEL Corporation 功能描述:256K 32K x 8 OTP CMOS EPROM |
| AT27C256R-12DC | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:x8 EPROM |
| AT27C256R-12DI | 制造商:Atmel Corporation 功能描述:EPROM, 32K x 8, 28 Pin, Ceramic, DIP |
| AT27C256R-12DM | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:x8 EPROM |
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