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74LVC244A PDF预览

74LVC244A

更新时间: 2024-01-16 06:14:34
品牌 Logo 应用领域
意法半导体 - STMICROELECTRONICS /
页数 文件大小 规格书
9页 174K
描述
LOW VOLTAGE CMOS QUAD BUS BUFFERS (3-STATE) HIGH PERFORMANCE

74LVC244A 技术参数

生命周期:Obsolete包装说明:TSSOP,
Reach Compliance Code:unknownHTS代码:8542.39.00.01
风险等级:5.05系列:LVC/LCX/Z
JESD-30 代码:R-PDSO-G20长度:6.5 mm
负载电容(CL):50 pF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:TSSOP
封装形状:RECTANGULAR封装形式:SMALL OUTLINE, THIN PROFILE, SHRINK PITCH
传播延迟(tpd):7 ns认证状态:Not Qualified
座面最大高度:1.1 mm最大供电电压 (Vsup):3.6 V
最小供电电压 (Vsup):1.2 V标称供电电压 (Vsup):3.3 V
表面贴装:YES技术:CMOS
温度等级:INDUSTRIAL端子形式:GULL WING
端子节距:0.65 mm端子位置:DUAL
宽度:4.4 mmBase Number Matches:1

74LVC244A 数据手册

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74LVC244A  
LOW VOLTAGE CMOS QUAD BUS BUFFERS (3-STATE)  
HIGH PERFORMANCE  
5V TOLERANT INPUTS  
HIGH SPEED: t = 5.9ns (MAX.) at V = 3V  
PD  
CC  
POWER DOWN PROTECTION ON INPUTS  
AND OUTPUTS  
SYMMETRICAL OUTPUT IMPEDANCE:  
|I | = I = 24mA (MIN) at V = 3V  
PCI BUS LEVELS GUARANTEED AT 24 mA  
OH  
OL  
CC  
SOP  
TSSOP  
BALANCED PROPAGATION DELAYS:  
t
t
PHL  
PLH  
ORDER CODES  
PACKAGE  
OPERATING VOLTAGE RANGE:  
(OPR) = 1.65V to 3.6V (1.2V Data  
Retention)  
PIN AND FUNCTION COMPATIBLE WITH  
74 SERIES 244  
LATCH-UP PERFORMANCE EXCEEDS  
500mA (JESD 17)  
V
CC  
TUBE  
T & R  
SOP  
74LVC244AM  
74LVC244AMTR  
74LVC244ATTR  
TSSOP  
It can be interfaced to 5V signal environment for  
inputs in mixed 3.3/5V system.  
ESD PERFORMANCE:  
HBM > 2000V (MIL STD 883 method 3015);  
MM > 200V  
G control output governs four BUS BUFFERs.  
This device is designed to be used with 3 state  
memory address drivers, etc.  
It has more speed performance at 3.3V than 5V  
AC/ACT family, combined with a lower power  
consumption.  
All inputs and outputs are equipped with  
protection circuits against static discharge, giving  
them 2KV ESD immunity and transient excess  
voltage.  
DESCRIPTION  
The 74LVC244A is a low voltage CMOS OCTAL  
BUS BUFFER (3-STATE) fabricated with  
sub-micron silicon gate and double-layer metal  
2
wiring C MOS technology. It is ideal for 1.65 to 3.6  
V
operations and low power and low noise  
CC  
applications.  
PIN CONNECTION AND IEC LOGIC SYMBOLS  
February 2002  
.
1/9  

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