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參數資料
| 型號： | DM74ALS125N |
| 廠商： | FAIRCHILD SEMICONDUCTOR CORP |
| 元件分類： | 通用總線功能 |
| 英文描述： | Quad 3-STATE Buffer |
| 中文描述： | ALS SERIES, QUAD 1-BIT DRIVER, TRUE OUTPUT, PDIP14 |
| 封裝： | 0.300 INCH, PLASTIC, MS-001, DIP-14 |
| 文件頁數： | 1/5頁 |
| 文件大小： | 51K |
| 代理商： | DM74ALS125N |
2000 Fairchild Semiconductor Corporation
DS010620
www.fairchildsemi.com
November 1989
Revised February 2000
D
DM74ALS125
Quad 3-STATE Buffer
General Description
This device contains four independent gates each of which
performs a non-inverting buffer function. The outputs have
the 3-STATE feature. The 3-STATE circuitry contains a fea-
ture that maintains the buffer outputs in 3-STATE (high
impedance state) during power supply ramp-up or ramp-
down. This eliminates bus glitching problems that arise
during power-up and power-down. To minimize the possi-
bility that two outputs will attempt to take a common bus to
opposite logic levels, the disable time is shorter than the
enable time of the outputs.
Features
I
Advanced low power oxide-isolated ion-implanted
Schottky TTL process
I
Functional and pin compatible with the 74LS counterpart
I
Switching response specified into 500
and 50 pF load
I
Switching response specifications guaranteed over full
temperature and V
CC
supply range
I
PNP input design reduces input loading
I
Low level drive current: 74ALS
=
24 mA
Ordering Code:
Devices also available in Tape and Reel. Specify by appending the suffix letter “X” to the ordering code.
Connection Diagram
Functional Table
Y
=
A
H
=
HIGH Logic Level
L
=
LOW Logic Level
X
=
Either LOW or HIGH Logic Level
Hi-Z
=
3-STATE (Outputs are disabled)
Logic Diagram
Order Number
DM74ALS125M
DM74ALS125N
Package Number
M14A
N14A
Package Description
14-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-012, 0.150 Narrow
14-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-001, 0.300 Wide
Input
Output
Y
L
H
Hi-Z
A
L
H
X
C
L
L
H
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| DM74ALS125MX | 4-Bit Buffer/Driver |
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| DM74ALS133M | Octal Bus Transceiver And Register With 3-State Outputs 24-TSSOP -40 to 85 |
| DM74ALS133N | 13-Input NAND Gate |
| DM74AS804B | Hex 2-Input NAND Driver |
相關代理商/技術參數 |
參數描述 |
|---|---|
| DM74ALS125N | 制造商:Fairchild Semiconductor Corporation 功能描述:IC 74ALS TTL 74ALS125 DIP14 5V |
| DM74ALS125N_Q | 功能描述:緩沖器和線路驅動器 Quad 3-STATE Buffer RoHS:否 制造商:Micrel 輸入線路數量:1 輸出線路數量:2 極性:Non-Inverting 電源電壓-最大:+/- 5.5 V 電源電壓-最小:+/- 2.37 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:MSOP-8 封裝:Reel |
| DM74ALS12AM | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Triple 3-input NAND Gate |
| DM74ALS12AM/A+ | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Triple 3-input NAND Gate |
| DM74ALS12AM/B+ | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Triple 3-input NAND Gate |
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