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SN74ALS109ADG4

更新时间： 2024-11-21 02:58:15
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9页 137K
描述
DUAL J-K POSITIVE-EDGE-TRIGGERED FLIP-FLOPS WITH CLEAR AND PRESET

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SN74ALS109ADG4 数据手册

 浏览型号SN74ALS109ADG4的Datasheet PDF文件第2页浏览型号SN74ALS109ADG4的Datasheet PDF文件第3页浏览型号SN74ALS109ADG4的Datasheet PDF文件第4页浏览型号SN74ALS109ADG4的Datasheet PDF文件第5页浏览型号SN74ALS109ADG4的Datasheet PDF文件第6页浏览型号SN74ALS109ADG4的Datasheet PDF文件第7页 
SN54ALS109A, SN54AS109A, SN74ALS109A, SN74AS109A  
DUAL J-K POSITIVE-EDGE-TRIGGERED FLIP-FLOPS  
WITH CLEAR AND PRESET  
SDAS198B – APRIL 1982 – REVISED AUGUST 1995  
SN54ALS109A, SN54AS109A . . . J PACKAGE  
SN74ALS109A, SN74AS109A . . . D OR N PACKAGE  
• Package Options Include Plastic  
Small-Outline (D) Packages, Ceramic Chip  
Carriers (FK), and Standard Plastic (N) and  
Ceramic (J) 300-mil DIPs  
(TOP VIEW)  
1CLR  
1J  
V
CC  
2CLR  
2J  
1
2
3
4
5
6
7
8
16  
15  
14  
13  
12  
TYPICAL MAXIMUM TYPICAL POWER  
1K  
CLOCK  
FREQUENCY  
(MHz)  
DISSIPATION  
PER FLIP-FLOP  
(mW)  
TYPE  
1CLK  
1PRE  
1Q  
2K  
2CLK  
′ALS109A  
′AS109A  
50  
6
11 2PRE  
129  
29  
10  
9
1Q  
2Q  
2Q  
GND  
description  
These devices contain two independent J-K  
positive-edge-triggered flip-flops. A low level at  
the preset (PRE) or clear (CLR) inputs sets or  
resets the outputs regardless of the levels of the  
other inputs. When PRE and CLR are inactive  
(high), data at the J and K inputs meeting the  
setup-time requirements are transferred to the  
outputs on the positive-going edge of the clock  
(CLK) pulse. Clock triggering occurs at a voltage  
level and is not directly related to the rise time of  
the clock pulse. Following the hold-time interval,  
data at the J and K inputs can be changed without  
affecting the levels at the outputs. These versatile  
flip-flops can perform as toggle flip-flops by  
grounding K and tying J high. They also can  
perform as D-type flip-flops if J and K are tied  
together.  
SN54ALS109A, SN54AS109A . . . FK PACKAGE  
(TOP VIEW)  
3
2
1 20 19  
18  
1K  
1CLK  
NC  
4
5
6
7
8
2J  
17  
16  
15  
14  
2K  
NC  
1PRE  
1Q  
2CLK  
2PRE  
9 10 11 12 13  
NC – No internal connection  
The SN54ALS109A and SN54AS109A are characterized for operation over the full military temperature range  
of –55°C to 125°C. The SN74ALS109A and SN74AS109A are characterized for operation from 0°C to 70°C.  
FUNCTION TABLE  
INPUTS  
OUTPUTS  
PRE  
L
CLR  
H
CLK  
X
J
X
X
X
L
K
X
X
X
L
Q
H
L
Q
L
H
L
X
H
†
H
†
H
L
L
X
H
H
↑
L
H
H
H
↑
H
L
L
Toggle  
H
H
↑
H
H
X
Q0  
H
Q0  
L
H
H
↑
H
X
H
H
L
Q0  
Q0  
†
The output levels in this configuration are not specified to  
meet the minimum levels for V if the lows at PRE and  
OH  
maximum. Furthermore, this  
CLR are near  
V
IL  
configuration is nonstable; that is, it does not persist when  
either PRE or CLR returns to its inactive (high) level.  
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  
1234567...9

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SN74ALS109ADG4 替代型号

型号 品牌 替代类型 描述 数据表
SN74ALS109ANE4 TI

完全替代

 Dual J-K Positive-Edge-Triggered Flip-Flops With Clear and Preset 16-PDIP 0 to 70
SN74ALS109ADR TI

完全替代

 DUAL J-K POSITIVE-EDGE-TRIGGERED FLIP-FLOPS WITH CLEAR AND PRESET

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