Datasheet > 存储 > OTP ROM> AT27BV512-12RI

AT27BV512-12RI

更新时间： 2024-02-20 15:15:22

品牌	Logo	应用领域
爱特美尔 - ATMEL		电池存储内存集成电路光电二极管异步传输模式 ATM 可编程只读存储器 OTP只读存储器电动程控只读存储器
页数	文件大小	规格书
9页	232K
描述
512K 64K x 8 Unregulated Battery-Voltage High Speed OTP CMOS EPROM

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技术参数
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AT27BV512-12RI 技术参数

是否Rohs认证：	不符合	生命周期：	Obsolete
零件包装代码：	TSOP	包装说明：	TSOP1, TSSOP28,.53,22
针数：	28	Reach Compliance Code：	compliant
ECCN代码：	EAR99	HTS代码：	8542.32.00.71
风险等级：	5.48	Is Samacsys：	N
最长访问时间：	120 ns	其他特性：	CAN ALSO BE OPERATED AT 4.5V TO 5.5V RANGE
I/O 类型：	COMMON	JESD-30 代码：	R-PDSO-G28
JESD-609代码：	e0	长度：	11.8 mm
内存密度：	524288 bit	内存集成电路类型：	OTP ROM
内存宽度：	8	湿度敏感等级：	3
功能数量：	1	端子数量：	28
字数：	65536 words	字数代码：	64000
工作模式：	ASYNCHRONOUS	最高工作温度：	85 °C
最低工作温度：	-40 °C	组织：	64KX8
输出特性：	3-STATE	封装主体材料：	PLASTIC/EPOXY
封装代码：	TSOP1	封装等效代码：	TSSOP28,.53,22
封装形状：	RECTANGULAR	封装形式：	SMALL OUTLINE, THIN PROFILE
并行/串行：	PARALLEL	峰值回流温度（摄氏度）：	240
电源：	3/5 V	认证状态：	Not Qualified
座面最大高度：	1.2 mm	最大待机电流：	0.00002 A
子类别：	OTP ROMs	最大压摆率：	0.02 mA
最大供电电压 (Vsup)：	5.5 V	最小供电电压 (Vsup)：	2.7 V
标称供电电压 (Vsup)：	5 V	表面贴装：	YES
技术：	CMOS	温度等级：	INDUSTRIAL
端子面层：	Tin/Lead (Sn/Pb)	端子形式：	GULL WING
端子节距：	0.55 mm	端子位置：	DUAL
处于峰值回流温度下的最长时间：	30	宽度：	8 mm
Base Number Matches：	1

AT27BV512-12RI 数据手册

System Considerations

Description (Continued)

Standby mode supply current is typically less than 1 µA at

3V. The AT27BV512 simplifies system design and

stretches battery lifetime even further by eliminating the

need for power supply regulation.

Switching between active and standby conditions via the

Chip Enable pin may produce transient voltage excur-

sions. Unless accommodated by the system design, these

transients may exceed data sheet limits, resulting in de-

vice non-conformance. At a minimum, a 0.1 µF high fre-

quency, low inherent inductance, ceramic capacitor

should be utilized for each device. This capacitor should

The AT27BV512 is available in industry standard JEDEC-

approved one-time programmable (OTP) plastic PLCC,

SOIC, and TSOP packages. All devices feature two-line

control (CE, OE) to give designers the flexibility to prevent

bus contention.

be connected between the V and Ground terminals of

the device, as close to the device as possible. Additionally,

to stabilize the supply voltage level on printed circuit

boards with large EPROM arrays, a 4.7 µF bulk electrolytic

capacitor should be utilized, again connected between the

The AT27BV512 operating with V at 3.0V produces TTL

level outputs that are compatible with standard TTL logic

devices operating at V = 5.0V. At V = 2.7V, the part

and Ground terminals. This capacitor should be posi-

is compatible with JEDEC approved low voltage battery

operation (LVBO) interface specifications. The device is

also capable of standard 5-volt operation making it ideally

suited for dual supply range systems or card products that

are pluggable in both 3-volt and 5-volt hosts.

tioned as close as possible to the point where the power

supply is connected to the array.

Atmel’s AT27BV512 has additional features to ensure

high quality and efficient production use. The Rapid Pro-

gramming Algorithm reduces the time required to program

the part and guarantees reliable programming. Program-

ming time is typically only 100 µs/byte. The Integrated

Product Identification Code electronically identifies the de-

vice and manufacturer. This feature is used by industry

standard programming equipment to select the proper

programming algorithms and voltages. The AT27BV512

programs exactly the same way as a standard 5V

AT27C512R and uses the same programming equipment.

3-14

AT27BV512

123 4 5 6 7...9

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与AT27BV512-12RI相关器件

型号	品牌	描述	获取价格	数据表
AT27BV512-12TC	ATMEL	512K 64K x 8 Unregulated Battery-Voltage High Speed OTP CMOS EPROM	获取价格
AT27BV512-12TI	ATMEL	512K 64K x 8 Unregulated Battery-Voltage High Speed OTP CMOS EPROM	获取价格
AT27BV512-15JC	ATMEL	512K 64K x 8 Unregulated Battery-Voltage High Speed OTP CMOS EPROM	获取价格
AT27BV512-15JI	ATMEL	512K 64K x 8 Unregulated Battery-Voltage High Speed OTP CMOS EPROM	获取价格
AT27BV512-15RC	ATMEL	512K 64K x 8 Unregulated Battery-Voltage High Speed OTP CMOS EPROM	获取价格
AT27BV512-15RI	ATMEL	512K 64K x 8 Unregulated Battery-Voltage High Speed OTP CMOS EPROM	获取价格

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