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MM54C922J/883 PDF预览

MM54C922J/883

更新时间: 2024-09-15 20:05:07
品牌 Logo 应用领域
美国国家半导体 - NSC 编码器逻辑集成电路
页数 文件大小 规格书
8页 18K
描述
IC CMOS SERIES, 8-BIT ENCODER, CDIP18, Arithmetic Circuit

MM54C922J/883 技术参数

是否Rohs认证: 不符合生命周期:Obsolete
包装说明:DIP, DIP18,.3Reach Compliance Code:unknown
HTS代码:8542.39.00.01风险等级:5.76
系列:CMOSJESD-30 代码:R-GDIP-T18
JESD-609代码:e0逻辑集成电路类型:ENCODER
位数:8功能数量:1
端子数量:18最高工作温度:125 °C
最低工作温度:-55 °C输出特性:3-STATE
封装主体材料:CERAMIC, GLASS-SEALED封装代码:DIP
封装等效代码:DIP18,.3封装形状:RECTANGULAR
封装形式:IN-LINE峰值回流温度(摄氏度):NOT SPECIFIED
电源:5/15 V传播延迟(tpd):210 ns
认证状态:Not Qualified筛选级别:MIL-STD-883
座面最大高度:5.08 mm子类别:Arithmetic Circuits
最大供电电压 (Vsup):15 V最小供电电压 (Vsup):3 V
标称供电电压 (Vsup):5 V表面贴装:NO
技术:CMOS温度等级:MILITARY
端子面层:Tin/Lead (Sn/Pb)端子形式:THROUGH-HOLE
端子节距:2.54 mm端子位置:DUAL
处于峰值回流温度下的最长时间:NOT SPECIFIED宽度:7.62 mm
Base Number Matches:1

MM54C922J/883 数据手册

 浏览型号MM54C922J/883的Datasheet PDF文件第2页浏览型号MM54C922J/883的Datasheet PDF文件第3页浏览型号MM54C922J/883的Datasheet PDF文件第4页浏览型号MM54C922J/883的Datasheet PDF文件第5页浏览型号MM54C922J/883的Datasheet PDF文件第6页浏览型号MM54C922J/883的Datasheet PDF文件第7页 
MICROCIRCUIT DATA SHEET  
Original Creation Date: 10/26/95  
Last Update Date: 05/19/97  
MNMM54C922-X REV 1A0  
Last Major Revision Date: 04/02/97  
16-KEY ENCODER  
General Description  
These CMOS key encoders provide all the necessary logic to fully encode an array of SPST  
switches. The keyboard scan can be implemented by either an external clock or external  
capacitor. These encoders also have on-chip pull-up devices which permit switches with up  
to 50K Ohms on resistance to be used. No diodes in the switch array are needed to  
eliminate ghost switches. The internal debounce circuit needs only a single external  
capacitor and can be defeated by omitting the capacitor. A Data Available output goes to a  
high level when a valid keyboard entry has been made. The Data Available output returns to  
a low level when the entered key is released, even if another key is depressed. The Data  
Available will return high to indicate acceptance of the new key after a normal debounce  
period; this two-key roll-over is provided between any two switches.  
An internal register remembers the last key pressed even after the key is release. The  
TRI-STATE outputs provide for easy expansion and bus operation and are LPTTL compatible.  
Industry Part Number  
NS Part Numbers  
MM54C922  
MM54C922J/883*  
Prime Die  
MM54C922  
Controlling Document  
5962-8752101VA*  
Processing  
Subgrp Description  
Temp (oC)  
MIL-STD-883, Method 5004  
1
Static tests at  
+25  
2
Static tests at  
+125  
-55  
3
Static tests at  
4
Dynamic tests at  
Dynamic tests at  
Dynamic tests at  
Functional tests at  
Functional tests at  
Functional tests at  
Switching tests at  
Switching tests at  
Switching tests at  
+25  
Quality Conformance Inspection  
5
+125  
-55  
6
MIL-STD-883, Method 5005  
7
+25  
8A  
8B  
9
+125  
-55  
+25  
10  
11  
+125  
-55  
1

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