参数资料
型号: 74VHCT240ASJ
厂商: Fairchild Semiconductor
文件页数: 1/9页
文件大小: 0K
描述: IC INVERTER DUAL 4-INPUT 20SOP
标准包装: 38
系列: 74VHCT
逻辑类型: 逆变器,缓冲器
电路数: 2
输入数: 4
特点: 三态
电源电压: 4.5 V ~ 5.5 V
电流 - 静态(最大值): 4µA
输出电流高,低: 8mA,8mA
逻辑电平 - 低: 0.8V
逻辑电平 - 高: 2V
额定电压和最大 CL 时的最大传播延迟: 8.8ns @ 5V,50pF
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
供应商设备封装: 20-SOP
封装/外壳: 20-SOIC(0.209",5.30mm 宽)
包装: 管件
tm
74VHCT240A
Octal
Buff
er/Line
Driver
with
3-ST
A
TE
Outputs
May 2007
1997 Fairchild Semiconductor Corporation
www.fairchildsemi.com
74VHCT240A Rev. 1.3
74VHCT240A
Octal Buffer/Line Driver with 3-STATE Outputs
Features
High Speed: tPD = 5.6ns (Typ.) at VCC = 5V
Power down protection is provided on inputs and
outputs
Low power dissipation: ICC = 4A (Max.) @ TA = 25°C
Pin and function compatible with 74HCT240
General Description
The VHCT240A is an advanced high speed CMOS octal
bus transceiver fabricated with silicon gate CMOS
technology. It achieves high speed operation similar to
equivalent Bipolar Schottky TTL while maintaining the
CMOS low power dissipation. The VHCT240A is an
inverting 3-STATE buffer having two active-LOW output
enables. This device is designed to be used as 3-STATE
memory address drivers, clock drivers, and bus oriented
transmitter/ receivers.
Protection circuits ensure that 0V to 7V can be applied to
the input and output(1) pins without regard to the supply
voltage. These circuits prevent device destruction due to
mismatched supply and input/output voltages. This
device can be used to interface 5V to 3V systems and
two supply systems such as battery back up.
Note:
1. Outputs in OFF-State
Ordering Information
Surface mount packages are also available on Tape and Reel. Specify by appending the suffix letter “X” to the
ordering number. Pb-Free package per JEDEC J-STD-020B.
Order Number
Package
Number
Package Description
74VHCT240AM
M20B
20-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-013, 0.300" Wide
74VHCT240ASJ
M20D
20-Lead Small Outline Package (SOP), EIAJ TYPE II, 5.3mm Wide
74VHCT240AMTC
MTC20
20-Lead Thin Shrink Small Outline Package (TSSOP), JEDEC MO-153, 4.4mm
Wide
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74VHCT244 WAF 制造商:Fairchild Semiconductor Corporation 功能描述:
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