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74VHCT244MX PDF预览

74VHCT244MX

更新时间： 2024-01-07 13:28:30
品牌 Logo 应用领域
飞兆/仙童 - FAIRCHILD 驱动输入元件光电二极管逻辑集成电路
页数 文件大小 规格书
8页 144K
描述
Bus Driver, AHCT/VHCT Series, 2-Func, 4-Bit, True Output, CMOS, PDSO20, PLASTIC, SOIC-20

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74VHCT244MX 技术参数

生命周期：Obsolete零件包装代码：SOIC
包装说明：SOP,针数：20
Reach Compliance Code：unknownHTS代码：8542.39.00.01
风险等级：5.21系列：AHCT/VHCT
JESD-30 代码：R-PDSO-G20长度：12.8 mm
逻辑集成电路类型：BUS DRIVER位数：4
功能数量：2端口数量：2
端子数量：20最高工作温度：85 °C
最低工作温度：-40 °C输出特性：3-STATE
输出极性：TRUE封装主体材料：PLASTIC/EPOXY
封装代码：SOP封装形状：RECTANGULAR
封装形式：SMALL OUTLINE传播延迟（tpd）：9.5 ns
认证状态：Not Qualified座面最大高度：2.65 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
端子形式：GULL WING端子节距：1.27 mm
端子位置：DUAL宽度：7.5 mm
Base Number Matches：1

74VHCT244MX 数据手册

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March 1998  
74VHC244 • 74VHCT244  
Octal Buffer/Line Driver with 3-STATE Outputs  
General Description  
Features  
n High Speed:  
The VHC/VHCT244 is an advanced high speed CMOS octal  
bus buffer fabricated with silicon gate CMOS technology. It  
achieves high speed operation similar to equivalent Bipolar  
Schottky TTL while maintaining the CMOS low power dissi-  
=
=
=
VHC tpd 3.9ns (typ) at VCC 5V  
=
VHCT tpd 5.4ns (typ) at VCC 5V  
n High noise immunity:  
= =  
pation. The VHC/VHCT244 is  
a
non-inverting 3-STATE  
VHC VNIH VNIL 28% VCC (min)  
=
=
buffer having two active-low output enables. These devices  
are designed to be used as 3-STATE memory address driv-  
ers, clock drivers, and bus oriented transmitter/receivers.  
VHCT VIH 2.0V, VIL 0.8V  
n Power down protection:  
VHC inputs only  
VHCT inputs and outputs  
An input protection circuit ensures that 0V–7V can be ap-  
plied to the input pins without regard to the supply voltage.  
This device can be used to interface 5V to 3V systems and  
two supply systems such as battery back up. This circuit pre-  
vents device destruction due to mismatched supply and in-  
put voltages.  
n Low noise:  
VHC VOLP 0.6V (typ)  
=
=
VHCT VOLP 0.7V (typ)  
n Low power dissipation:  
=
=
@
ICC 4 µA (max) TA 25˚C  
n Pin and function compatible with 74HC/HCT244  
Note 1: Add External Pull Up Resistor To VHCT Outputs To Drive  
CMOS Inputs  
Ordering Code:  
Commercial  
74VHC244M  
Package Number  
M20B  
Package Description  
20-Lead Molded JEDEC SOIC  
20-Lead Molded EIAJ SOIC  
20-Lead Molded JEDEC Type 1 TSSOP  
20-Lead Molded DIP  
74VHC244SJ  
74VHC244MTC  
74VHC244N  
M20D  
MTC20  
N20A  
74VHCT244M  
74VHCT244SJ  
74VHCT244MTC  
74VHCT244N  
M20B  
20-Lead Molded JEDEC SOIC  
20-Lead Molded EIAJ SOIC  
20-Lead Molded JEDEC Type 1 TSSOP  
20-Lead Molded DIP  
M20D  
MTC20  
N20A  
Surface mount packages are also available on Tape and Reel. Specify by appending the suffix letter “X” to the ordering code.  
Logic Symbol  
Connection Diagram  
IEEE/IEC  
Pin Assignment for DIP,  
TSSOP and SOIC  
DS011522-1  
DS011522-3  
© 1998 Fairchild Semiconductor Corporation  
DS011522  
www.fairchildsemi.com  
12345678

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与74VHCT244MX相关器件

型号 品牌 获取价格 描述 数据表
74VHCT244N NSC

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 		IC AHCT/VHCT SERIES, DUAL 4-BIT DRIVER, TRUE OUTPUT, PDIP20, PLASTIC, DIP-20, Bus Driver/T
74VHCT244N FAIRCHILD

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 		Bus Driver, AHCT/VHCT Series, 2-Func, 4-Bit, True Output, CMOS, PDIP20, PLASTIC, DIP-20
74VHCT244PW NEXPERIA

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 		Octal buffer/line driver; 3-state
74VHCT244SJ NSC

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 		AHCT/VHCT SERIES, DUAL 4-BIT DRIVER, TRUE OUTPUT, PDSO20, EIAJ TYPE2, PLASTIC, SOIC-20
74VHCT245A FAIRCHILD

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 		Octal Buffer/Line Driver with 3-STATE Outputs
74VHCT245A STMICROELECTRONICS

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 		OCTAL BUS TRANSCEIVER 3-STATE
74VHCT245A_04 STMICROELECTRONICS

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 		OCTAL BUS TRANSCEIVER (3-STATE)
74VHCT245A_07 FAIRCHILD

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 		74VHCT245A Octal Buffer/Line Driver with 3-STATE Outputs
74VHCT245A_99 FAIRCHILD

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 		Octal Buffer/Line Driver with 3-STATE Outputs
74VHCT245AFT TOSHIBA

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 		74VHC Series

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