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SN74ALS299DWR PDF预览

SN74ALS299DWR

更新时间: 2024-11-05 12:59:03
品牌 Logo 应用领域
德州仪器 - TI 存储输出元件
页数 文件大小 规格书
7页 121K
描述
8-Bit Universal Shift/Storage Registers With 3-State Outputs 20-SOIC 0 to 70

SN74ALS299DWR 技术参数

是否无铅:含铅是否Rohs认证:符合
生命周期:Obsolete零件包装代码:SOIC
包装说明:PLASTIC, SO-20针数:20
Reach Compliance Code:unknownHTS代码:8542.39.00.01
Factory Lead Time:1 week风险等级:5.61
Is Samacsys:N其他特性:HOLD MODE; COMMON I/O PINS; TOTEMPOLE SERIAL SHIFT RIGHT & SHIFT LEFT OUTPUTS; GATED OUTPUT CONTROL
计数方向:BIDIRECTIONAL系列:ALS
JESD-30 代码:R-PDSO-G20长度:12.8 mm
负载电容(CL):50 pF逻辑集成电路类型:PARALLEL IN PARALLEL OUT
位数:8功能数量:1
端子数量:20最高工作温度:70 °C
最低工作温度:输出特性:3-STATE
输出极性:TRUE封装主体材料:PLASTIC/EPOXY
封装代码:SOP封装等效代码:SOP20,.4
封装形状:RECTANGULAR封装形式:SMALL OUTLINE
峰值回流温度(摄氏度):NOT SPECIFIED电源:5 V
最大电源电流(ICC):38 mA传播延迟(tpd):19 ns
认证状态:Not Qualified座面最大高度:2.65 mm
子类别:Shift Registers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触发器类型:POSITIVE EDGE
宽度:7.5 mm最小 fmax:30 MHz
Base Number Matches:1

SN74ALS299DWR 数据手册

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SN54ALS299, SN74ALS299  
8-BIT UNIVERSAL SHIFT/STORAGE REGISTERS  
WITH 3-STATE OUTPUTS  
SDAS220B – DECEMBER 1982 – REVISED DECEMBER 1994  
SN54ALS299 . . . J PACKAGE  
SN74ALS299 . . . DW OR N PACKAGE  
(TOP VIEW)  
Multiplexed I/O Ports Provide Improved Bit  
Density  
Four Modes of Operation:  
– Hold (Store)  
1
2
3
4
5
6
7
8
9
10  
20  
19  
18  
17  
16  
15  
14  
13  
12  
11  
S0  
OE1  
OE2  
V
CC  
S1  
– Shift Right  
– Shift Left  
– Load Data  
SL  
G/Q  
Q
H  
G
Operate With Outputs Enabled or at High  
E/Q  
H/Q  
E
H
Impedance  
C/Q  
F/Q  
C
F
3-State Outputs Drive Bus Lines Directly  
Can Be Cascaded for n-Bit Word Lengths  
Direct Overriding Clear  
A/Q  
Q
D/Q  
B/Q  
A
D
A′  
B
CLR  
GND  
CLK  
SR  
Applications:  
– Stacked or Push-Down Registers  
– Buffer Storage  
SN54ALS299 . . . FK PACKAGE  
(TOP VIEW)  
– Accumulator Registers  
Package Options Include Plastic  
Small-Outline (DW) Packages, Ceramic  
Chip Carriers (FK), and Standard Plastic (N)  
and Ceramic (J) 300-mil DIPs  
3
2
1
20 19  
18  
4
5
6
7
8
G/Q  
SL  
G
17  
16  
15  
14  
E/Q  
Q
E
C
H′  
description  
C/Q  
A/Q  
H/Q  
H
F/Q  
A
F
These 8-bit universal shift/storage registers  
feature multiplexed I/O ports to achieve full 8-bit  
data handling in a single 20-pin package. Two  
function-select (S0, S1) inputs and two output-  
enable (OE1, OE2) inputs can be used to choose  
the modes of operation listed in the function table.  
Q
D/Q  
D
A′  
9 10 11 12 13  
Synchronous parallel loading is accomplished by taking both S0 and S1 high. This places the 3-state outputs  
in the high-impedance state and permits data applied on the I/O ports to be clocked into the register. Reading  
out of the register can be accomplished while the outputs are enabled in any mode. Clearing occurs  
asynchronously when the clear (CLR) input is low. Taking either OE1 or OE2 high disables the outputs, but has  
no effect on clearing, shifting, or storing data.  
The SN54ALS299 is characterized for operation over the full military temperature range of 55°C to 125°C. The  
SN74ALS299 is characterized for operation from 0°C to 70°C.  
Copyright 1994, 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  

SN74ALS299DWR 替代型号

型号 品牌 替代类型 描述 数据表
SN74ALS299DWRG4 TI

完全替代

8-Bit Universal Shift/Storage Registers With 3-State Outputs 20-SOIC 0 to 70
SN74ALS299DW TI

完全替代

8-BIT UNIVERSAL SHIFT/STORAGE REGISTERS WITH 3-STATE OUTPUTS

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