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SN74ALS667DW PDF预览

SN74ALS667DW

更新时间: 2024-10-31 23:06:15
品牌 Logo 应用领域
德州仪器 - TI 总线驱动器总线收发器锁存器逻辑集成电路光电二极管输出元件PC
页数 文件大小 规格书
8页 127K
描述
8-BIT D-TYPE TRANSPARENT READ-BACK LATCHES WITH 3-STATE OUTPUTS

SN74ALS667DW 技术参数

是否无铅: 不含铅是否Rohs认证: 符合
生命周期:Active零件包装代码:SOIC
包装说明:SOIC-24针数:24
Reach Compliance Code:compliantHTS代码:8542.39.00.01
Factory Lead Time:1 week风险等级:5.64
Samacsys Confidence:Samacsys Status:Released
Samacsys PartID:604884Samacsys Pin Count:24
Samacsys Part Category:Integrated CircuitSamacsys Package Category:Other
Samacsys Footprint Name:SOIC127P1030X265-24NSamacsys Released Date:2017-01-12 12:59:53
Is Samacsys:N其他特性:WITH CLEAR AND PRESET; WITH DUAL OUTPUT ENABLE; WITH READ-BACK
控制类型:ENABLE LOW/HIGH计数方向:UNIDIRECTIONAL
系列:ALSJESD-30 代码:R-PDSO-G24
JESD-609代码:e4长度:15.4 mm
负载电容(CL):50 pF逻辑集成电路类型:BUS DRIVER
最大I(ol):0.024 A湿度敏感等级:1
位数:8功能数量:1
端口数量:2端子数量:24
最高工作温度:70 °C最低工作温度:
输出特性:3-STATE输出极性:INVERTED
封装主体材料:PLASTIC/EPOXY封装代码:SOP
封装等效代码:SOP24,.4封装形状:RECTANGULAR
封装形式:SMALL OUTLINE包装方法:TUBE
峰值回流温度(摄氏度):260电源:5 V
最大电源电流(ICC):79 mAProp。Delay @ Nom-Sup:20 ns
传播延迟(tpd):22 ns认证状态:Not Qualified
座面最大高度:2.65 mm子类别:FF/Latches
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:TTL温度等级:COMMERCIAL
端子面层:Nickel/Palladium/Gold (Ni/Pd/Au)端子形式:GULL WING
端子节距:1.27 mm端子位置:DUAL
处于峰值回流温度下的最长时间:NOT SPECIFIED翻译:N/A
宽度:7.5 mmBase Number Matches:1

SN74ALS667DW 数据手册

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SN74ALS666, SN74ALS667  
8-BIT D-TYPE TRANSPARENT READ-BACK LATCHES  
WITH 3-STATE OUTPUTS  
SDAS227A – JUNE 1984 – REVISED JANUARY 1995  
SN74ALS666 . . . DW OR NT PACKAGE  
(TOP VIEW)  
3-State I/O-Type Read-Back Inputs  
Bus-Structured Pinout  
Choice of True or Inverting Logic  
– SN74ALS666 . . . True Outputs  
– SN74ALS667 . . . Inverted Outputs  
OERB  
OE1  
1D  
V
CC  
OE2  
1Q  
1
24  
23  
22  
21  
20  
19  
18  
17  
16  
15  
14  
2
3
2D  
2Q  
Preset and Clear Inputs  
Package Options Include Plastic  
Small-Outline (DW) Packages and Standard  
Plastic (NT) 300-mil DIPs  
4
3D  
3Q  
5
4D  
4Q  
6
5D  
5Q  
7
6D  
6Q  
8
7D  
7Q  
9
description  
8D  
8Q  
10  
11  
These 8-bit D-type transparent latches are  
designed specifically for storing the contents of  
the input data bus, plus reading back the stored  
data onto the input data bus. In addition, they  
provide a 3-state buffer-type output and are easily  
utilized in bus-structured applications.  
CLR  
PRE  
GND 12  
13 LE  
SN74ALS667 . . . DW OR NT PACKAGE  
(TOP VIEW)  
While the latch enable (LE) is high, the Q outputs  
oftheSN74ALS666followthedata(D)inputs. The  
Q outputs of the SN74ALS667 provide the inverse  
of the data applied to its D inputs. The Q or  
Q output of both devices is in the high-impedance  
state if either output-enable (OE1 or OE2) input is  
at a high logic level.  
OERB  
OE1  
1D  
V
CC  
OE2  
1Q  
1
24  
23  
22  
21  
20  
19  
18  
17  
16  
15  
14  
2
3
2D  
2Q  
4
3D  
3Q  
5
4D  
4Q  
6
5D  
5Q  
7
Read back is provided through the read-back  
control (OERB) input. When OERB is taken low,  
the data present at the output of the data latches  
passes back onto the input data bus. When OERB  
is taken high, the output of the data latches is  
isolated from the D inputs. OERB does not affect  
the internal operation of the latches; however,  
caution should be exercised to avoid a bus  
conflict.  
6D  
6Q  
8
7D  
7Q  
9
8D  
8Q  
10  
11  
CLR  
PRE  
GND 12  
13 LE  
The SN74ALS666 and SN74ALS667 are  
characterized for operation from 0°C to 70°C.  
Copyright 1995, Texas Instruments Incorporated  
PRODUCTION DATA information is 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  

SN74ALS667DW 替代型号

型号 品牌 替代类型 描述 数据表
SN74ALS667DWRG4 TI

类似代替

ALS SERIES, 8-BIT DRIVER, INVERTED OUTPUT, PDSO24, GREEN, PLASTIC, SOIC-24
SN74ALS667DWRE4 TI

类似代替

ALS SERIES, 8-BIT DRIVER, INVERTED OUTPUT, PDSO24, GREEN, PLASTIC, SOIC-24
SN74ALS667DWR TI

类似代替

ALS SERIES, 8-BIT DRIVER, INVERTED OUTPUT, PDSO24, GREEN, PLASTIC, SOIC-24

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SN74ALS667DWRE4 TI

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SN74ALS667FN TI

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暂无描述
SN74ALS667FN3 TI

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SN74ALS667NSR TI

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