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74VHCT244AMTCX_NL PDF预览

74VHCT244AMTCX_NL

更新时间: 2024-02-22 18:36:27
品牌 Logo 应用领域
飞兆/仙童 - FAIRCHILD 驱动器
页数 文件大小 规格书
12页 245K
描述
Bus Driver, AHCT/VHCT Series, 2-Func, 4-Bit, True Output, CMOS, PDSO20, 4.40 MM, MO-153AC, TSSOP-20

74VHCT244AMTCX_NL 技术参数

是否Rohs认证:符合生命周期:Obsolete
零件包装代码:TSSOP包装说明:TSSOP, TSSOP20,.25
针数:20Reach Compliance Code:compliant
HTS代码:8542.39.00.01风险等级:5.21
Is Samacsys:N控制类型:ENABLE LOW
系列:AHCT/VHCTJESD-30 代码:R-PDSO-G20
JESD-609代码:e3长度:6.5 mm
负载电容(CL):50 pF逻辑集成电路类型:BUS DRIVER
最大I(ol):0.008 A湿度敏感等级:1
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:TSSOP
封装等效代码:TSSOP20,.25封装形状:RECTANGULAR
封装形式:SMALL OUTLINE, THIN PROFILE, SHRINK PITCH包装方法:TAPE AND REEL
峰值回流温度(摄氏度):260电源:5 V
Prop。Delay @ Nom-Sup:9.5 ns传播延迟(tpd):9.5 ns
认证状态:Not Qualified座面最大高度:1.2 mm
子类别:Bus Driver/Transceivers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端子面层:Matte Tin (Sn)
端子形式:GULL WING端子节距:0.65 mm
端子位置:DUAL处于峰值回流温度下的最长时间:NOT SPECIFIED
宽度:4.4 mmBase Number Matches:1

74VHCT244AMTCX_NL 数据手册

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74VHCT244A  
OCTAL BUS BUFFER  
WITH 3 STATE OUTPUTS (NON INVERTED)  
HIGH SPEED: t = 5.4 ns (TYP.) at V = 5V  
PD CC  
LOW POWER DISSIPATION:  
I
= 4 µA (MAX.) at T =25°C  
CC  
A
COMPATIBLE WITH TTL OUTPUTS:  
= 2V (MIN.), V = 0.8V (MAX)  
V
IH  
IL  
POWER DOWN PROTECTION ON INPUTS  
& OUTPUTS  
SOP  
TSSOP  
T & R  
SYMMETRICAL OUTPUT IMPEDANCE:  
Table 1: Order Codes  
PACKAGE  
|I | = I = 8 mA (MIN)  
OH  
OL  
BALANCED PROPAGATION DELAYS:  
t
t
PLH  
PHL  
SOP  
74VHCT244AMTR  
74VHCT244ATTR  
OPERATING VOLTAGE RANGE:  
(OPR) = 4.5V to 5.5V  
TSSOP  
V
CC  
PIN AND FUNCTION COMPATIBLE WITH  
74 SERIES 244  
This device is designed to be used with 3 state  
memory address drivers, etc.  
IMPROVED LATCH-UP IMMUNITY  
Power down protection is provided on all inputs  
and outputs and 0 to 7V can be accepted on  
inputs with no regard to the supply voltage. This  
device can be used to interface 5V to 3V since all  
inputs are equipped with TTL threshold.  
All inputs and outputs are equipped with  
protection circuits against static discharge, giving  
them 2KV ESD immunity and transient excess  
voltage.  
LOW NOISE: V  
= 0.9V (MAX.)  
OLP  
DESCRIPTION  
The 74VHCT244A is an advanced high-speed  
CMOS OCTAL BUS BUFFER (3-STATE)  
fabricated with sub-micron silicon gate and  
double-layer metal wiring C MOS technology.  
G enable input governs four BUS BUFFERs.  
2
Figure 1: Pin Connection And IEC Logic Symbols  
Rev. 4  
1/12  
December 2004  

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