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AT27C256R-90JK PDF预览

AT27C256R-90JK

更新时间: 2024-01-05 19:47:23
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 250K
描述
OTP ROM, 32KX8, 90ns, CMOS, PQCC32

AT27C256R-90JK 技术参数

是否Rohs认证: 符合生命周期:Obsolete
包装说明:QCCJ,Reach Compliance Code:compliant
ECCN代码:EAR99HTS代码:8542.32.00.71
风险等级:5.6最长访问时间:90 ns
JESD-30 代码:R-PQCC-J32JESD-609代码:e3
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
湿度敏感等级:2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:125 °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
峰值回流温度(摄氏度):245认证状态:Not Qualified
座面最大高度:3.55 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:AUTOMOTIVE端子面层:MATTE TIN
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:40
宽度:11.43 mmBase Number Matches:1

AT27C256R-90JK 数据手册

 浏览型号AT27C256R-90JK的Datasheet PDF文件第2页浏览型号AT27C256R-90JK的Datasheet PDF文件第3页浏览型号AT27C256R-90JK的Datasheet PDF文件第4页浏览型号AT27C256R-90JK的Datasheet PDF文件第5页浏览型号AT27C256R-90JK的Datasheet PDF文件第6页浏览型号AT27C256R-90JK的Datasheet PDF文件第7页 
Features  
Fast Read Access Time - 45 ns  
Low-Power CMOS Operation  
– 100 µA max. Standby  
– 20 mA max. Active at 5 MHz  
JEDEC Standard Packages  
– 28-Lead 600-mil PDIP  
– 32-Lead PLCC  
– 28-Lead TSOP and SOIC  
5V ± 10% Supply  
High Reliability CMOS Technology  
– 2,000V ESD Protection  
256K (32K x 8)  
OTP EPROM  
– 200 mA Latchup Immunity  
Rapid™ Programming Algorithm - 100 µs/byte (typical)  
CMOS and TTL Compatible Inputs and Outputs  
Integrated Product Identification Code  
Commercial, Industrial and Automotive Temperature Ranges  
AT27C256R  
Description  
The AT27C256R is a low-power, high-performance 262,144-bit one-time programma-  
ble read only memory (OTP EPROM) organized 32K by 8 bits. It requires only one 5V  
power supply in normal read mode operation. Any byte can be accessed in less than  
45 ns, eliminating the need for speed reducing WAIT states on high-performance  
microprocessor systems.  
Atmel’s scaled CMOS technology provides low-active power consumption, and fast  
programming. Power consumption is typically only 8 mA in Active Mode and less than  
10 µA in Standby.  
(continued)  
PDIP, SOIC Top View  
Pin Configurations  
VPP  
A12  
A7  
1
2
3
4
5
6
7
8
9
28 VCC  
27 A14  
26 A13  
25 A8  
24 A9  
23 A11  
22 OE  
21 A10  
20 CE  
19 O7  
18 O6  
17 O5  
16 O4  
15 O3  
Pin Name  
A0 - A14  
O0 - O7  
CE  
Function  
Addresses  
Outputs  
A6  
A5  
A4  
A3  
Chip Enable  
Output Enable  
No Connect  
A2  
A1  
OE  
A0 10  
O0 11  
O1 12  
O2 13  
GND 14  
256K EPROM  
NC  
PLCC Top View  
TSOP Top View  
Type 1  
A6  
A5  
A4  
A3  
A2  
5
6
7
8
9
29 A8  
28 A9  
27 A11  
26 NC  
25 OE  
24 A10  
23 CE  
22 O7  
21 O6  
OE  
A11  
A9  
22  
23  
24  
25  
26  
27  
28  
1
21  
20  
19  
18  
17  
16  
15  
14  
13  
12  
11  
10  
9
A10  
CE  
O7  
O6  
O5  
O4  
O3  
GND  
O2  
O1  
O0  
A0  
A8  
A1 10  
A0 11  
NC 12  
O0 13  
A13  
A14  
VCC  
VPP  
A12  
A7  
2
3
A6  
4
A5  
5
A4  
6
A1  
Rev. 0014H–07/98  
Note:  
PLCC Package Pins 1 and  
17 are DON’T CONNECT.  
A3  
7
8
A2  

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