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Atmel AT27BV256
4.
Absolute maximum ratings*
Temperature under bias . . . . . . . . . . . . . . . -40°C to +85°C
Storage temperature . . . . . . . . . . . . . . . . .-65°C to +125°C
Voltage on any pin with
respect to ground . . . . . . . . . . . . . . . . . . . -2.0V to +7.0V (1)
*NOTICE:
Stresses beyond those listed under “Absolute
maximum 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 indicated in the operational
sections of this specification is not implied. Exposure to
absolute maximum rating conditions for extended
periods may affect device reliability.
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)
Note:
1. Minimum voltage is -0.6V DC, which may undershoot to -2.0V for pulses of less than 20ns. Maximum output pin voltage is
V CC + 0.75V DC, which may be exceeded if certain precautions are observed (consult application notes), and which may
overshoot to +7.0V for pulses of less than 20ns.
5.
DC and AC characterisitcs
Table 5-1.
Operating modes
Mode/Pin
Read (2)
CE
V IL
OE
V IL
Ai
Ai
V PP
V CC
V CC
V CC
Outputs
D OUT
X
Output disable
(2)
V IL
V IH
(1)
V CC
V CC
High Z
Standby
Rapid program
Optional PGM verify
PGM inhibit
A9 = V H
(2)
(3)
PGM verify (3)
(3)
(3)
Product identification (3)(5)
V IH
V IL
X
V IL
V IH
V IL
X
V IH
V IL
V IL
V IH
V IL
X
Ai
Ai
Ai
X
(4)
A0 = V IH or V IL
V CC
V PP
V PP
V CC
V PP
V CC
V CC
V CC
V CC
V CC
V CC
V CC
High Z
D IN
D OUT
D OUT
High Z
Identification code
A1 - A14 = V IL
Note:
1. X can be V IL or V IH .
2. Read, output disable, and standby modes require 2.7V ? V CC ? 3.6V or 4.5V ? V CC ? 5.5V.
3. Refer to programming characteristics. Programming modes require V CC = 6.5V.
4. V H = 12.0 ± 0.5V.
5. 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 tog-
gled low (V IL ) to select the manufacturers’ identification byte and high (V IH ) to select the device code byte.
Table 5-2.
DC and AC operating conditions for read operation
Atmel AT27BV256-70
Industrial operating temperature (case)
V CC power supply
-40°C - 85°C
2.7V to 3.6V
5V ? 10%
3
0601F–EPROM–4/11
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相关代理商/技术参数
AT27BV256-70JU SL383
制造商:Atmel Corporation 功能描述:EPROM OTP 256K-Bit 32K x 8 70ns 32-Pin PLCC
AT27BV256-70JU-T
功能描述:IC OTP 256KBIT 70NS 32PLCC 制造商:microchip technology 系列:- 包装:剪切带（CT） 零件状态:在售 存储器类型:非易失 存储器格式:EPROM 技术:EPROM - OTP 存储容量:256Kb （32K x 8） 写周期时间 - 字，页:- 访问时间:70ns 存储器接口:并联 电压 - 电源:2.7 V ~ 3.6 V，4.5 V ~ 5.5 V 工作温度:-40°C ~ 85°C（TC） 安装类型:表面贴装 封装/外壳:32-LCC（J 形引线） 供应商器件封装:32-PLCC（11.43x13.97） 标准包装:1
AT27BV256-70RC
功能描述:IC OTP 256KBIT 70NS 28SOIC RoHS:否 类别:集成电路 (IC) >> 存储器 系列:- 标准包装:32 系列:- 格式 - 存储器:闪存 存储器类型:FLASH 存储容量:1M (128K x 8) 速度:120ns 接口:并联 电源电压:2.7 V ~ 3.6 V 工作温度:0°C ~ 70°C 封装/外壳:32-LCC（J 形引线） 供应商设备封装:32-PLCC 包装:管件 其它名称:AT49BV00112JC
AT27BV256-70RI
功能描述:可擦除可编程ROM 1Mb (64Kx16) OTP 2.7-3.6V 70ns RoHS:否 制造商:Maxim Integrated 类型: 存储容量:1024 bit 组织:1 K x 1 接口类型: 工作电流:5 uA 编程电压: 工作电源电压:2.8 V to 6 V 最大工作温度:+ 85 C 安装风格:Through Hole 封装 / 箱体:TO-92
AT27BV256-70RU
功能描述:可擦除可编程ROM 1Mb (64Kx16) OTP 2.7-3.6V 70ns RoHS:否 制造商:Maxim Integrated 类型: 存储容量:1024 bit 组织:1 K x 1 接口类型: 工作电流:5 uA 编程电压: 工作电源电压:2.8 V to 6 V 最大工作温度:+ 85 C 安装风格:Through Hole 封装 / 箱体:TO-92
AT27BV256-70TC
功能描述:IC OTP 256KBIT 70NS 28TSOP RoHS:否 类别:集成电路 (IC) >> 存储器 系列:- 标准包装:32 系列:- 格式 - 存储器:闪存 存储器类型:FLASH 存储容量:1M (128K x 8) 速度:120ns 接口:并联 电源电压:2.7 V ~ 3.6 V 工作温度:0°C ~ 70°C 封装/外壳:32-LCC（J 形引线） 供应商设备封装:32-PLCC 包装:管件 其它名称:AT49BV00112JC
AT27BV256-70TI
功能描述:可擦除可编程ROM 1Mb (64Kx16) OTP 2.7-3.6V 70ns RoHS:否 制造商:Maxim Integrated 类型: 存储容量:1024 bit 组织:1 K x 1 接口类型: 工作电流:5 uA 编程电压: 工作电源电压:2.8 V to 6 V 最大工作温度:+ 85 C 安装风格:Through Hole 封装 / 箱体:TO-92
AT27BV256-70TU
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