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參數(shù)資料
| 型號： | MC74LCX257 |
| 廠商： | ON SEMICONDUCTOR |
| 英文描述： | LOW-VOLTAGE CMOS QUAD 2-INPUT MULTIPLEXER |
| 中文描述： | 低電壓CMOS四路2輸入多路復(fù)用器 |
| 文件頁數(shù)： | 1/8頁 |
| 文件大小： | 155K |
| 代理商： | MC74LCX257 |
SEMICONDUCTOR TECHNICAL DATA
1
REV 0.2
Motorola, Inc. 1996
11/96
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The MC74LCX257 is a high performance, quad 2–input multiplexer
with 3–state outputs operating from a 2.7 to 3.6V supply. High impedance
TTL compatible inputs significantly reduce current loading to input drivers
while TTL compatible outputs offer improved switching noise
performance. A VI specification of 5.5V allows MC74LCX257 inputs to be
safely driven from 5V devices.
Four bits of data from two sources can be selected using the Select
input. The four outputs present the selected data in the true
(non–inverted) form. The outputs may be switched to a high impedance
state by placing a logic HIGH on the Output Enable (OE) input. Current
drive capability is 24mA at the outputs.
Designed for 2.7 to 3.6V VCC Operation
5V Tolerant — Interface Capability With 5V TTL Logic
Supports Live Insertion and Withdrawal
IOFF Specification Guarantees High Impedance When VCC = 0V
LVTTL Compatible
LVCMOS Compatible
24mA Balanced Output Sink and Source Capability
Near Zero Static Supply Current in All Three Logic States (10
μ
A)
Substantially Reduces System Power Requirements
Latchup Performance Exceeds 500mA
ESD Performance: Human Body Model >2000V; Machine Model >200V
15
16
14
13
12
11
10
2
1
S
3
4
5
6
7
VCC
9
8
OE
I0c
I1c
Zc
I0d
I1d
Zd
I0a
I1a
Za
I0b
I1b
Zb
GND
Pinout: 16–Lead Plastic Package
(Top View)
This document contains information on a product under development. Motorola reserves the right to
change or discontinue this product without notice.
PIN NAMES
Function
Source 0 Data Inputs
Source 1 Data Inputs
Output Enable Input
Select Input
Outputs
Pins
I0n
I1n
OE
S
Zn
LOW–VOLTAGE CMOS
QUAD 2–INPUT MULTIPLEXER
M SUFFIX
PLASTIC SOIC EIAJ
CASE 966–01
16
1
D SUFFIX
PLASTIC SOIC
CASE 751B–05
DT SUFFIX
PLASTIC TSSOP
CASE 948F–01
16
1
16
1
SD SUFFIX
PLASTIC SSOP
CASE 940B–03
16
1
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MC74LCX257D | 制造商:Rochester Electronics LLC 功能描述:- Bulk 制造商:Motorola Inc 功能描述: 制造商:ON Semiconductor 功能描述: 制造商:MOTOROLA 功能描述: |
| MC74LCX257DR2 | 功能描述:編碼器、解碼器、復(fù)用器和解復(fù)用器 2-3.6V CMOS Quad RoHS:否 制造商:Micrel 產(chǎn)品:Multiplexers 邏輯系列:CMOS 位數(shù): 線路數(shù)量（輸入/輸出）:2 / 12 傳播延遲時間:350 ps, 400 ps 電源電壓-最大:2.625 V, 3.6 V 電源電壓-最小:2.375 V, 3 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-44 封裝:Tray |
| MC74LCX257DR2G | 功能描述:編碼器、解碼器、復(fù)用器和解復(fù)用器 2-3.6V CMOS Quad 2-Input RoHS:否 制造商:Micrel 產(chǎn)品:Multiplexers 邏輯系列:CMOS 位數(shù): 線路數(shù)量（輸入/輸出）:2 / 12 傳播延遲時間:350 ps, 400 ps 電源電壓-最大:2.625 V, 3.6 V 電源電壓-最小:2.375 V, 3 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-44 封裝:Tray |
| MC74LCX257DT | 功能描述:編碼器、解碼器、復(fù)用器和解復(fù)用器 2-3.6V CMOS Quad RoHS:否 制造商:Micrel 產(chǎn)品:Multiplexers 邏輯系列:CMOS 位數(shù): 線路數(shù)量（輸入/輸出）:2 / 12 傳播延遲時間:350 ps, 400 ps 電源電壓-最大:2.625 V, 3.6 V 電源電壓-最小:2.375 V, 3 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-44 封裝:Tray |
| MC74LCX257DTG | 功能描述:編碼器、解碼器、復(fù)用器和解復(fù)用器 2-3.6V CMOS Quad 2-Input RoHS:否 制造商:Micrel 產(chǎn)品:Multiplexers 邏輯系列:CMOS 位數(shù): 線路數(shù)量（輸入/輸出）:2 / 12 傳播延遲時間:350 ps, 400 ps 電源電壓-最大:2.625 V, 3.6 V 電源電壓-最小:2.375 V, 3 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-44 封裝:Tray |
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