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AT27BV256-70JU-T PDF预览

AT27BV256-70JU-T

更新时间: 2024-02-08 12:48:52
品牌 Logo 应用领域
美国微芯 - MICROCHIP OTP只读存储器内存集成电路
页数 文件大小 规格书
12页 768K
描述
IC OTP 256KBIT 70NS 32PLCC

AT27BV256-70JU-T 技术参数

生命周期:Active包装说明:LCC-32
Reach Compliance Code:compliant风险等级:0.99
最长访问时间:70 ns其他特性:ALSO OPERATES AT 5V SUPPLY
JESD-30 代码:R-PQCC-J32长度:13.97 mm
内存密度:262144 bit内存集成电路类型:OTP ROM
内存宽度:8功能数量:1
端子数量:32字数:32768 words
字数代码:32000工作模式:ASYNCHRONOUS
最高工作温度:85 °C最低工作温度:-40 °C
组织:32KX8封装主体材料:PLASTIC/EPOXY
封装代码:QCCJ封装形状:RECTANGULAR
封装形式:CHIP CARRIER并行/串行:PARALLEL
座面最大高度:3.556 mm最大供电电压 (Vsup):3.6 V
最小供电电压 (Vsup):2.7 V标称供电电压 (Vsup):3 V
表面贴装:YES技术:CMOS
温度等级:INDUSTRIAL端子形式:J BEND
端子节距:1.27 mm端子位置:QUAD
宽度:11.43 mm

AT27BV256-70JU-T 数据手册

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Atmel AT27BV256  
4.  
Absolute maximum ratings*  
*NOTICE: Stresses beyond those listed under “Absolute  
Temperature under bias . . . . . . . . . . . . . . . -40°C to +85°C  
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.  
Storage temperature . . . . . . . . . . . . . . . . .-65°C to +125°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)  
VPP 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  
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.  
V
5.  
DC and AC characterisitcs  
Table 5-1.  
Operating modes  
Mode/Pin  
CE  
VIL  
VIL  
VIH  
VIL  
X
OE  
VIL  
VIH  
X
Ai  
Ai  
X(1)  
X
VPP  
VCC  
VCC  
VCC  
VPP  
VPP  
VCC  
VPP  
VCC  
VCC  
VCC  
VCC  
VCC  
VCC  
VCC  
VCC  
Outputs  
DOUT  
Read(2)  
Output disable(2)  
Standby(2)  
High Z  
High Z  
DIN  
Rapid program(3)  
PGM verify(3)  
VIH  
VIL  
VIL  
VIH  
Ai  
Ai  
Ai  
X
DOUT  
Optional PGM verify(3)  
PGM inhibit(3)  
VIL  
VIH  
DOUT  
High Z  
(4)  
A9 = VH  
Product identification(3)(5)  
VIL  
VIL  
A0 = VIH or VIL  
A1 - A14 = VIL  
VCC  
VCC  
Identification code  
Note:  
1. X can be VIL or VIH.  
2. Read, output disable, and standby modes require 2.7V VCC 3.6V or 4.5V VCC 5.5V.  
3. Refer to programming characteristics. Programming modes require VCC = 6.5V.  
4. VH = 12.0 0.5V.  
5. Two identifier bytes may be selected. All Ai inputs are held low (VIL) except A9, which is set to VH, and A0, which is tog-  
gled low (VIL) to select the manufacturers’ identification byte and high (VIH) to select the device code byte.  
Table 5-2.  
DC and AC operating conditions for read operation  
Atmel AT27BV256-70  
Industrial operating temperature (case)  
CC power supply  
-40°C - 85°C  
2.7V to 3.6V  
5V 10%  
V
3
0601F–EPROM–4/11  

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