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SN74ACT1284PW PDF预览

SN74ACT1284PW

更新时间： 2024-11-04 23:03:11
品牌 Logo 应用领域
德州仪器 - TI 输出元件
页数 文件大小 规格书
5页 96K
描述
7-BIT BUS INTERFACES WITH 3-STATE OUTPUTS

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中文翻译

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SN74ACT1284PW 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：unknown
ECCN代码：EAR99HTS代码：8542.39.00.01
风险等级：8.16差分输出：NO
驱动器位数：7输入特性：SCHMITT TRIGGER
接口集成电路类型：LINE TRANSCEIVER接口标准：IEEE-1284
JESD-30 代码：R-PDSO-G20长度：6.5 mm
功能数量：4端子数量：20
最高工作温度：70 °C最低工作温度：
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峰值回流温度（摄氏度）：NOT SPECIFIED
认证状态：Not Qualified最大接收延迟：20 ns
接收器位数：4座面最大高度：1.2 mm
最大供电电压：5.5 V最小供电电压：4.7 V
标称供电电压：5 V表面贴装：YES
温度等级：COMMERCIAL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最大传输延迟：20 ns
宽度：4.4 mmBase Number Matches：1

SN74ACT1284PW 数据手册

 浏览型号SN74ACT1284PW的Datasheet PDF文件第2页浏览型号SN74ACT1284PW的Datasheet PDF文件第3页浏览型号SN74ACT1284PW的Datasheet PDF文件第4页浏览型号SN74ACT1284PW的Datasheet PDF文件第5页 
SN54ACT1284, SN74ACT1284  
7-BIT BUS INTERFACES  
WITH 3-STATE OUTPUTS  
SCAS459B – NOVEMBER 1994 – REVISED APRIL 1996  
SN54ACT1284 . . . J OR W PACKAGE  
SN74ACT1284 . . . DB, DW, N, OR PW PACKAGE  
(TOP VIEW)  
3-State Outputs Directly Drive Bus Lines  
Flow-Through Architecture Optimizes PCB  
Layout  
Center-Pin V  
Minimize High-Speed Switching Noise  
and GND Configurations  
A1  
A2  
A3  
B1  
B2  
B3  
B4  
V
1
2
3
4
5
6
7
8
9
10  
20  
19  
18  
17  
16  
15  
14  
CC  
ESD Protection Exceeds 2000 V Per  
MIL-STD-883, Method 3015; Exceeds 200 V  
Using Machine Model (C = 200 pF, R = 0)  
A4  
GND  
GND  
A5  
A6  
A7  
CC  
V
CC  
Designed for the IEEE 1284-I (Level 1 Type)  
and IEEE 1284-II (Level 2 Type) Electrical  
Specifications  
B5  
13 B6  
12 B7  
Package Options Include Plastic  
11  
DIR  
HD  
Small-Outline (DW), Shrink Small-Outline  
(DB), Thin Shrink Small-Outline (PW), and  
DIP (N) Packages, Ceramic Chip Carriers  
(FK), Flat (W), and DIP (J) Packages  
FK PACKAGE  
(TOP VIEW)  
description  
3
2
1 20 19  
18  
The ’ACT1284 are designed for asynchronous  
two-way communication between data buses.  
The control function minimizes external timing  
requirements.  
B3  
B4  
V
A4  
GND  
GND  
A5  
4
5
6
7
8
17  
16  
15  
14  
CC  
V
CC  
B5  
A6  
The devices allow data transmission in either the  
A-to-B or the B-to-A direction for bits 1, 2, 3, and  
4, depending on the logic level at the  
direction-control (DIR) input. Bits 5, 6, and 7,  
however, always transmit in the A-to-B direction.  
9 10 11 12 13  
The output drive for each mode is determined by the high drive (HD) control pin. When HD is high, the high drive  
is delivered by the totem-pole configuration, and when HD is low, the outputs are open drain. This meets the  
drive requirements as specified in the IEEE 1284-I (level 1 type) and the IEEE 1284-II (level 2 type) parallel  
peripheral-interface specification.  
The SN54ACT1284 is characterized for operation over the full military temperature range of –55°C to 125°C.  
The SN74ACT1284 is characterized for operation from 0°C to 70°C.  
FUNCTION TABLE  
INPUTS  
OUTPUT  
MODE  
DIR  
HD  
Open drain  
Totem pole  
Totem pole  
Open drain  
Totem pole  
A to B: Bits 5, 6, 7  
B to A: Bits 1, 2, 3, 4  
L
L
L
H
H
H
L
B to A: Bits 1, 2, 3, 4 and A to B: Bits 5, 6, 7  
A to B: Bits 1, 2, 3, 4, 5, 6, 7  
A to B: Bits 1, 2, 3, 4, 5, 6, 7  
H
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 1996, Texas Instruments Incorporated  
UNLESS OTHERWISE NOTED this document contains PRODUCTION  
DATA information current as of publication date. Products conform to  
specifications per the terms of Texas Instruments standard warranty.  
Production processing does not necessarily include testing of all  
parameters.  
1
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265  
12345

中文翻译

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SN74ACT1284PW 替代型号

型号 品牌 替代类型 描述 数据表
SN74ACT1284DWRG4 TI

完全替代

 7-Bit Bus Interfaces With 3-State Outputs 20-SOIC 0 to 70
SN74ACT1284PWE4 TI

完全替代

 7-BIT BUS INTERFACES WITH 3-STATE OUTPUTS

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SN74ACT1284PWRE4 TI

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SN74ACT14DB TI

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SN74ACT14DBLE TI

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SN74ACT14DBR TI

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SN74ACT14DBRE4 TI

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 		ACT SERIES, HEX 1-INPUT INVERT GATE, PDSO14, GREEN, PLASTIC, SSOP-14
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 		ACT SERIES, HEX 1-INPUT INVERT GATE, PDSO14, GREEN, PLASTIC, SSOP-14

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