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AT27C2048-90JU-T PDF预览

AT27C2048-90JU-T

更新时间: 2024-02-26 19:25:09
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 717K
描述
IC OTP 2MBIT 90NS 44PLCC

AT27C2048-90JU-T 技术参数

是否Rohs认证: 符合生命周期:Active
包装说明:LCC-44Reach Compliance Code:compliant
风险等级:5.75最长访问时间:90 ns
JESD-30 代码:S-PQCC-J44JESD-609代码:e3
长度:16.586 mm内存密度:2097152 bit
内存集成电路类型:OTP ROM内存宽度:16
功能数量:1端子数量:44
字数:131072 words字数代码:128000
工作模式:ASYNCHRONOUS最高工作温度:85 °C
最低工作温度:-40 °C组织:128KX16
封装主体材料:PLASTIC/EPOXY封装代码:QCCJ
封装形状:SQUARE封装形式:CHIP CARRIER
并行/串行:PARALLEL峰值回流温度(摄氏度):NOT SPECIFIED
座面最大高度:4.572 mm最大供电电压 (Vsup):5.5 V
最小供电电压 (Vsup):4.5 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:Matte Tin (Sn) - annealed
端子形式:J BEND端子节距:1.27 mm
端子位置:QUAD处于峰值回流温度下的最长时间:NOT SPECIFIED
宽度:16.586 mmBase Number Matches:1

AT27C2048-90JU-T 数据手册

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Features  
Fast read access time – 55ns  
Low-power CMOS operation  
– 100µA max standby  
– 35mA max active at 5MHz  
JEDEC standard packages  
– 44-lead PLCC  
Direct upgrade from 512Kbit and 1Mbit (Atmel® AT27C516 and AT27C1024)  
EPROMs  
2Mb (128K x 16)  
One-time  
Programmable,  
Read-only Memory  
5V 10% supply  
High-reliability CMOS technology  
– 2,000V ESD protection  
– 200mA latchup immunity  
Rapidprogramming algorithm – 50µs/word (typical)  
CMOS- and TTL-compatible inputs and outputs  
Integrated product identification code  
Industrial temperature range  
Atmel AT27C2048  
1.  
Description  
The Atmel AT27C2048 is a low-power, high-performance 2,097,152-bit, one-time pro-  
grammable, read-only memory (OTP EPROM) organized as 128K by 16 bits. It requires a  
single 5V power supply in normal read mode operation. Any word can be accessed in less  
than 55 ns, eliminating the need for speed-reducing WAIT states. The x16 organization  
makes this part ideal for high-performance, 16- and 32-bit microprocessor systems.  
In read mode, the AT27C2048 typically consumes 15mA. Standby mode supply current is  
typically less than 10µA  
The AT27C2048 is available in an industry-standard, JEDEC-approved, one-time program-  
mable (OTP) PLCC package. The device features two-line control (CE, OE) to eliminate  
bus contention in high-speed systems.  
With high-density, 128K word storage capability, the AT27C2048 allows firmware to be  
stored reliably and to be accessed by the system without the delays of mass storage media.  
The AT27C2048 has additional features that ensure high quality and efficient production  
use. The rapidprogramming algorithm reduces the time required to program the part and  
guarantees reliable programming. Programming time is typically only 50 µs/word. The Inte-  
grated 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.  
0632G–EPROM–4/11  

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