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Features
? Fast read access time – 90ns
? Dual voltage range operation
– Low voltage power supply range, 3.0V to 3.6V, or
– Standard power supply range, 5V ? 10%
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Compatible with JEDEC standard Atmel ? AT27C512R
Low-power CMOS operation
– 20μA max standby (less than 1μA, typical) for V CC = 3.6V
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– 29mW max active at 5MHz for V CC = 3.6V
JEDEC standard package
– 32-lead PLCC
High-reliability CMOS technology
– 2,000V ESD protection
– 200mA latchup immunity
Rapid programming algorithm – 100μs/byte (typical)
CMOS- and TTL-compatible inputs and outputs
– JEDEC standard for LVTTL
Integrated product identification code
Industrial temperature range
Green (Pb/halide-free) packaging option
512K (64K x 8)
Low Voltage,
One-time
Programmable,
Read-only Memory
Atmel AT27LV512A
1.
Description
The Atmel AT27LV512A is a high-performance, low-power, low-voltage, 524,288-bit, one-
time programmable, read-only memory (OTP EPROM) organized as 64K by 8 bits. It
requires only one supply in the range of 3.0 to 3.6V in normal read mode operation, making
it ideal for fast, portable systems using battery power.
The Atmel innovative design techniques provide fast speeds that rival 5V parts, while keep-
ing the low power consumption of a 3.3V supply. At V CC = 3.0V, any byte can be accessed
in less than 90ns. With a typical power dissipation of only 18mW at 5MHz and V CC = 3.3V,
the AT27LV512A consumes less than one-fifth the power of a standard, 5V EPROM.
Standby mode supply current is typically less than 1μA at 3.3V.
The AT27LV512A is available in industry-standard, JEDEC-approved, one-time
programmable (OTP) PLCC package. All devices feature two-line control (CE, OE) to give
designers the flexibility to prevent bus contention.
The AT27LV512A operating with V CC at 3.0V produces TTL-level outputs that are compati-
ble with standard TTL logic devices operating at V CC = 5.0V. The device is also capable of
standard, 5V operation, making it ideally suited for dual supply range systems or card prod-
ucts that are pluggable in both 3V and 5V hosts.
The AT27LV512A has additional features to ensure high quality and efficient production use.
The rapid programming algorithm reduces the time required to program the part and guar-
antees reliable programming. Programming time is typically only 100μs/byte. The
integrated product identification code electronically identifies the device and manufacturer.
This feature is used by industry standard programming equipment to select the proper pro-
gramming algorithms and voltages. The AT27LV512A programs in exactly the same way as
a standard, 5V Atmel AT27C512R, and uses the same programming equipment.
0607G–EPROM–4/11
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相关代理商/技术参数
AT27LV512A-90JU-T
功能描述:IC OTP 512KBIT 90NS 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:512Kb （64K x 8） 写周期时间 - 字，页:- 访问时间:90ns 存储器接口:并联 电压 - 电源:3 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
AT27LV512A-90RC
功能描述:IC OTP 512KBIT 90NS 28SOIC RoHS:否 类别:集成电路 (IC) >> 存储器 系列:- 标准包装:96 系列:- 格式 - 存储器:闪存 存储器类型:FLASH 存储容量:1M (64K x 16) 速度:150ns 接口:并联 电源电压:3 V ~ 3.6 V 工作温度:0°C ~ 70°C 封装/外壳:48-TFSOP（0.724"，18.40mm 宽） 供应商设备封装:48-TSOP 包装:托盘
AT27LV512A-90RI
功能描述:可擦除可编程ROM 512Kb (64Kx8) OTP 3V 90ns 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
AT27LV512A-90RU
功能描述:可擦除可编程ROM 512Kb (64Kx8) OTP 3V 90ns 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
AT27LV512A-90TC
功能描述:IC OTP 512KBIT 90NS 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
AT27LV512A-90TI
功能描述:可擦除可编程ROM 512Kb (64Kx8) OTP 3V 90ns 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
AT27LV512A-90TU
功能描述:可擦除可编程ROM 512Kb (64Kx8) OTP 3V 90ns 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
AT27LV512R-20JI
制造商:Atmel Corporation 功能描述:EPROM OTP 512KBIT 64KX8 200NS 32PLCC - Rail/Tube
