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ST78C34CP40 PDF预览

ST78C34CP40

更新时间: 2024-09-29 22:39:59
品牌 Logo 应用领域
艾科嘉 - EXAR 外围集成电路光电二极管先进先出芯片
页数 文件大小 规格书
21页 200K
描述
GENERAL PURPOSE PARALLEL PRINTER PORT WITH 83 BYTE FIFO

ST78C34CP40 技术参数

是否Rohs认证: 不符合生命周期:Obsolete
零件包装代码:DIP包装说明:DIP, DIP40,.6
针数:40Reach Compliance Code:compliant
ECCN代码:EAR99HTS代码:8542.39.00.01
风险等级:5.64JESD-30 代码:R-PDIP-T40
JESD-609代码:e0长度:51.7525 mm
I/O 线路数量:8端口数量:1
端子数量:40最高工作温度:70 °C
最低工作温度:封装主体材料:PLASTIC/EPOXY
封装代码:DIP封装等效代码:DIP40,.6
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 V
认证状态:Not Qualified座面最大高度:6.35 mm
子类别:Parallel IO Port最大压摆率:20 mA
最大供电电压:5.5 V最小供电电压:4.5 V
标称供电电压:5 V表面贴装:NO
技术:CMOS温度等级:COMMERCIAL
端子面层:TIN LEAD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:15.24 mm
uPs/uCs/外围集成电路类型:PARALLEL IO PORT, PRINTER INTERFACEBase Number Matches:1

ST78C34CP40 数据手册

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ST78C34  
GENERAL PURPOSE PARALLEL  
PRINTER PORT WITH 83 BYTE FIFO  
DESCRIPTION  
PLCC Package  
The ST78C34 is a monolithic Bidirectional Parallel  
portdesignedtooperateasageneralpurposeI/Oport.  
It contains all the necessary input/output signals to be  
configured as a CENTRONICS printer port.  
The ST78C34 is a general purpose input/output con-  
troller with 83 byte internal FIFO. FIFO operation can  
be enabled or disabled. For CENTRONICS printer  
operation, all registers are mapped to IBM printer port  
registers.  
7
8
39  
38  
N.C.  
INTSEL  
D7  
N.C.  
PD7  
9
37 PD6  
36  
The ST78C34 is designed to operate as normal  
printer interface without any additional settings. Con-  
tents of the FIFO will be cleared after reset or setting  
the INIT pin to a low state. The auto FIFO operation  
starts after the first -ACK is received from the printer.  
Contents of the FIFO transfer to the printer at the  
printer loading speed.  
10  
11  
12  
D6  
PD5  
35 PD4  
34 PD3  
33 PD2  
D5  
ST78C34CJ44  
D4  
D3 13  
14  
D1 15  
32  
31  
30  
D2  
PD1  
PD0  
GND  
16  
17  
D0  
29 N.C.  
N.C.  
FEATURES  
· 83 bytes of printer output FIFO  
· Bi-directional software parallel port  
· Bi-directional I/O ports  
· Register compatible to IBM XT, AT, compatible  
386, 486  
· Selectable interrupt polarity  
· Selectable FIFO interrupts  
ORDERING INFORMATION  
Partnumber  
Pin  
Package Operating temperature  
ST78C34CJ44  
ST78C34CP40 40  
ST78C34IJ44  
ST78C34IP40  
44  
PLCC  
PDip  
PLCC  
PDip  
0° C to + 70° C  
0° C to + 70° C  
-40° C to + 85° C  
-40° C to + 85° C  
44  
40  
Rev. 3.00  
6-3  

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