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IDT74FCT646AL PDF预览

IDT74FCT646AL

更新时间: 2024-11-15 23:11:47
品牌 Logo 应用领域
艾迪悌 - IDT /
页数 文件大小 规格书
8页 95K
描述
FAST CMOS OCTAL TRANSCEIVER/REGISTER

IDT74FCT646AL 技术参数

是否无铅: 含铅是否Rohs认证: 不符合
生命周期:Obsolete零件包装代码:QLCC
包装说明:QCCN, LCC28,.45SQ针数:28
Reach Compliance Code:not_compliant风险等级:5.29
其他特性:DIRECTION CONTROL; SELECT INPUT FOR MULTIPLEXED TRANSMISSION OF REGISTERED/REAL TIME DATA控制类型:INDEPENDENT CONTROL
计数方向:BIDIRECTIONAL系列:FCT
JESD-30 代码:S-CQCC-N28JESD-609代码:e0
长度:11.4554 mm负载电容(CL):50 pF
逻辑集成电路类型:REGISTERED BUS TRANSCEIVER最大I(ol):0.064 A
位数:8功能数量:1
端口数量:2端子数量:28
最高工作温度:70 °C最低工作温度:
输出特性:3-STATE输出极性:TRUE
封装主体材料:CERAMIC, METAL-SEALED COFIRED封装代码:QCCN
封装等效代码:LCC28,.45SQ封装形状:SQUARE
封装形式:CHIP CARRIER峰值回流温度(摄氏度):NOT SPECIFIED
电源:5 VProp。Delay @ Nom-Sup:6.3 ns
传播延迟(tpd):6.3 ns认证状态:Not Qualified
座面最大高度:2.54 mm子类别:Bus Driver/Transceivers
最大供电电压 (Vsup):5.25 V最小供电电压 (Vsup):4.75 V
标称供电电压 (Vsup):5 V表面贴装:YES
技术:CMOS温度等级:COMMERCIAL
端子面层:Tin/Lead (Sn/Pb)端子形式:NO LEAD
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翻译:N/A
触发器类型:POSITIVE EDGE宽度:11.4554 mm
Base Number Matches:1

IDT74FCT646AL 数据手册

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IDT54/74FCT646  
IDT54/74FCT646A  
IDT54/74FCT646C  
FAST CMOS OCTAL  
TRANSCEIVER/REGISTER  
Integrated Device Technology, Inc.  
FEATURES:  
DESCRIPTION:  
• IDT54/74FCT646 equivalent to FAST speed;  
IDT54/74FCT646A 30% faster than FAST  
IDT54/74FCT646C 40% faster than FAST  
• Independent registers for A and B buses  
• Multiplexed real-time and stored data  
• IOL = 64mA (commercial) and 48mA (military)  
• CMOS power levels (1mW typical static)  
• TTL input and output level compatible  
• CMOS output level compatible  
• Available in 24-pin (300 mil) CERDIP, plastic DIP, SOIC,  
CERPACK and 28-pin LCC  
• Product available in Radiation Tolerant and Radiation  
Enhanced Versions  
The IDT54/74FCT646/A/C consists of a bus transceiver  
with 3-state D-type flip-flops and control circuitry arranged for  
multiplexed transmission of data directly from the data bus or  
from the internal storage registers.  
The IDT54/74FCT646/A/C utilizes the enable control (G)  
and direction (DIR) pins to control the transceiver functions.  
SAB and SBA control pins are provided to select either real  
time or stored data transfer. The circuitry used for select  
control will eliminate the typical decoding glitch that occurs in  
a multiplexer during the transition between stored and real-  
time data. A LOW input level selects real-time data and a  
HIGH selects stored data.  
Data on the A or B data bus or both can be stored in the  
internal D flip flops by LOW-to-HIGH transitions at the  
appropriate clock pins (CPAB or CPBA) regardless of the  
select or enable control pins.  
• Military product compliant to MIL-STD-883, Class B  
FUNCTIONAL BLOCK DIAGRAM  
G
DIR  
CPBA  
SBA  
CPAB  
SAB  
1 OF 8 CHANNELS  
B REG  
1D  
C1  
A REG  
1D  
C1  
1
B1  
A
2536 drw 01  
TO 7 OTHER CHANNELS  
The IDT logo is a registered trademark of Integrated Device Technology, Inc.  
FAST is a registered trademark of National Semiconductor Co.  
MILITARY AND COMMERCIAL TEMPERATURE RANGES  
MAY 1992  
1992 Integrated Device Technology, Inc.  
7.18  
DSC-4626/2  
1

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