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74HCT244DB,118 PDF预览

74HCT244DB,118

更新时间: 2024-11-24 15:29:39
品牌 Logo 应用领域
恩智浦 - NXP 驱动光电二极管逻辑集成电路
页数 文件大小 规格书
22页 117K
描述
74HC(T)244 - Octal buffer / line driver; 3-state SSOP2 20-Pin

74HCT244DB,118 技术参数

是否Rohs认证: 符合生命周期:Transferred
零件包装代码:SSOP2包装说明:5.30 MM, PLASTIC, MO-150, SOT-339-1, SSOP-20
针数:20Reach Compliance Code:compliant
HTS代码:8542.39.00.01风险等级:5.36
控制类型:ENABLE LOW系列:HCT
JESD-30 代码:R-PDSO-G20JESD-609代码:e4
长度:7.2 mm负载电容(CL):50 pF
逻辑集成电路类型:BUS DRIVER最大I(ol):0.006 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:125 °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:SSOP封装等效代码:SSOP20,.3
封装形状:RECTANGULAR封装形式:SMALL OUTLINE, SHRINK PITCH
包装方法:TAPE AND REEL峰值回流温度(摄氏度):260
电源:5 VProp。Delay @ Nom-Sup:33 ns
传播延迟(tpd):33 ns认证状态:Not Qualified
座面最大高度: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:AUTOMOTIVE
端子面层:NICKEL PALLADIUM GOLD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:30宽度:5.3 mm
Base Number Matches:1

74HCT244DB,118 数据手册

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74HC244; 74HCT244  
Octal buffer/line driver; 3-state  
Rev. 03 — 22 December 2005  
Product data sheet  
1. General description  
The 74HC244; 74HCT244 is a high-speed Si-gate CMOS device and is pin compatible  
with Low-power Schottky TTL (LSTTL).  
The 74HC244; 74HCT244 has octal non-inverting buffer/line drivers with 3-state outputs.  
The 3-state outputs are controlled by the output enable inputs 1OE and 2OE. A HIGH on  
nOE causes the outputs to assume a high-impedance OFF-state. The 74HC244;  
74HCT244 is identical to the 74HC240; 74HCT240 but has non-inverting outputs.  
2. Features  
Octal bus interface  
Non-inverting 3-state outputs  
Complies with JEDEC standard no. 7A  
ESD protection:  
HBM EIA/JESD22-A114-C exceeds 2000 V  
MM EIA/JESD22-A115-A exceeds 200 V  
Multiple package options  
Specified from 40 °C to +85 °C and from 40 °C to +125 °C  
3. Quick reference data  
Table 1:  
Quick reference data  
GND = 0 V; Tamb = 25 °C; tr = tf = 6 ns  
Symbol Parameter  
74HC244  
Conditions  
Min  
Typ  
Max  
Unit  
tPHL  
tPLH  
,
propagation delay  
nAn to nYn  
VCC = 5 V; CL = 15 pF  
-
9
-
ns  
Ci  
input capacitance  
-
-
3.5  
35  
-
-
pF  
pF  
[1]  
CPD  
power dissipation  
capacitance  
per buffer; VI = GND to  
VCC  
74HCT244  
tPHL  
tPLH  
,
propagation delay  
nAn to nYn  
VCC = 5 V; CL = 15 pF  
-
11  
-
ns  
Ci  
input capacitance  
-
-
3.5  
35  
-
-
pF  
pF  
[1]  
CPD  
power dissipation  
capacitance  
per buffer; VI = GND to  
(VCC 1.5 V)  
[1] CPD is used to determine the dynamic power dissipation (PD in µW):  
PD = CPD × VCC2 × fi × N + (CL × VCC2 × fo) where:  
 
 
 
 

74HCT244DB,118 替代型号

型号 品牌 替代类型 描述 数据表
74HCT244DB,112 NXP

完全替代

74HC(T)244 - Octal buffer / line driver; 3-state SSOP2 20-Pin

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