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SN74AUCH245RGYRG4 PDF预览

SN74AUCH245RGYRG4

更新时间: 2024-11-16 21:12:51
品牌 Logo 应用领域
德州仪器 - TI 逻辑集成电路
页数 文件大小 规格书
14页 826K
描述
Octal Bus Transceiver with 3-State Outputs 20-VQFN -40 to 85

SN74AUCH245RGYRG4 技术参数

是否无铅: 不含铅是否Rohs认证: 符合
生命周期:Obsolete零件包装代码:QFN
包装说明:HVQCCN, LCC20/24,.14X.18,20针数:20
Reach Compliance Code:unknownHTS代码:8542.39.00.01
风险等级:5.66控制类型:COMMON CONTROL
计数方向:BIDIRECTIONAL系列:AUC
JESD-30 代码:R-PQCC-N20JESD-609代码:e4
长度:4.5 mm负载电容(CL):15 pF
逻辑集成电路类型:BUS TRANSCEIVER最大I(ol):0.005 A
湿度敏感等级:2位数:8
功能数量:1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:HVQCCN封装等效代码:LCC20/24,.14X.18,20
封装形状:RECTANGULAR封装形式:CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE
包装方法:TAPE AND REEL峰值回流温度(摄氏度):260
电源:1.2/2.5 VProp。Delay @ Nom-Sup:3.2 ns
传播延迟(tpd):3.2 ns认证状态:Not Qualified
座面最大高度:1 mm子类别:Bus Driver/Transceivers
最大供电电压 (Vsup):2.7 V最小供电电压 (Vsup):0.8 V
标称供电电压 (Vsup):1.2 V表面贴装:YES
技术:CMOS温度等级:INDUSTRIAL
端子面层:Nickel/Palladium/Gold (Ni/Pd/Au)端子形式:NO LEAD
端子节距:0.5 mm端子位置:QUAD
处于峰值回流温度下的最长时间:NOT SPECIFIED翻译:N/A
宽度:3.5 mmBase Number Matches:1

SN74AUCH245RGYRG4 数据手册

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SCES420 – JANUARY 2003  
RGY PACKAGE  
(TOP VIEW)  
D
D
Optimized for 1.8-V Operation and Is 3.6-V  
I/O Tolerant to Support Mixed-Mode Signal  
Operation  
I
Supports Partial-Power-Down Mode  
off  
1
20  
Operation  
19  
2
3
4
5
6
7
8
9
A1  
A2  
A3  
A4  
A5  
A6  
A7  
A8  
OE  
B1  
B2  
B3  
D
D
D
D
D
Sub 1-V Operable  
18  
Max t of 2 ns at 1.8 V  
pd  
Low Power Consumption, 20-µA Max I  
±8-mA Output Drive at 1.8 V  
17  
16  
CC  
15  
B4  
14  
13  
12  
B5  
B6  
B7  
Bus Hold on Data Inputs Eliminates the  
Need for External Pullup/Pulldown  
Resistors  
10  
11  
D
D
Latch-Up Performance Exceeds 100 mA Per  
JESD 78, Class II  
ESD Protection Exceeds JESD 22  
– 2000-V Human-Body Model (A114-A)  
– 200-V Machine Model (A115-A)  
– 1000-V Charged-Device Model (C101)  
description/ordering information  
This octal bus transceiver is operational at 0.8-V to 2.7-V V , but is designed specifically for 1.65-V to 1.95-V  
CC  
V
operation.  
CC  
The SN74AUCH245 is designed for asynchronous communication between data buses. The device transmits  
data from the A bus to the B bus or from the B bus to the A bus, depending on the logic level at the  
direction-control (DIR) input. The output-enable (OE) input can be used to disable the device so the buses are  
effectively isolated.  
To ensure the high-impedance state during power up or power down, OE should be tied to V  
resistor; the minimum value of the resistor is determined by the current-sinking capability of the driver.  
through a pullup  
CC  
Active bus-hold circuitry holds unused or undriven inputs at a valid logic state. Use of pullup or pulldown resistors  
with the bus-hold circuitry is not recommended.  
This device is fully specified for partial-power-down applications using I . The I circuitry disables the outputs,  
off  
off  
preventing damaging current backflow through the device when it is powered down.  
ORDERING INFORMATION  
ORDERABLE  
PART NUMBER  
TOP-SIDE  
MARKING  
T
A
PACKAGE  
–40°C to 85°C QFN – RGY Tape and reel  
SN74AUCH245RGYR  
MT245  
Package drawings, standard packing quantities, thermal data, symbolization, and PCB design  
guidelines are available at www.ti.com/sc/package.  
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of  
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.  
Copyright 2003, Texas Instruments Incorporated  
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ꢟꢗ  
ꢝꢛ  
1
POST OFFICE BOX 655303 DALLAS, TEXAS 75265  

SN74AUCH245RGYRG4 替代型号

型号 品牌 替代类型 描述 数据表
SN74AUCH240RGYRG4 TI

完全替代

AUC SERIES, 4-BIT DRIVER, INVERTED OUTPUT, PQCC20, PLASTIC, MO-241BC, QFN-20
SN74AUCH244RGYR TI

类似代替

OCTAL BUFFER/DRIVER WITH 3-STATE OUTPUTS
SN74AUCH245RGYR TI

类似代替

OCTAL BUS TRANSCEIVER WITH 3 STATE OUTPUTS

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TEXAS(德州)逻辑电路型号列表(2007).