|
|
|
부품번호 | U74HCT138 기능 |
|
|
기능 | 3-TO-8 LINE DECODERS / DEMULTIPLEXERS | ||
제조업체 | Unisonic Technologies | ||
로고 | |||
UNISONIC TECHNOLOGIES CO., LTD
U74HCT138
3-TO-8 LINE DECODERS /
DEMULTIPLEXERS
CMOS IC
DESCRIPTION
The U74HCT138 decodes a three−bit Address to 1−of−8
active−low outputs.
This device features three Chip Select inputs, two active−low and
one active−high, to facilitate the demultiplexing, cascading and
chip−selecting functions.
The demultiplexing function is accomplished by using the Address
inputs to select the desired device output. One of the Chip Selects is
used as a data input while the other Chip Selects are held in their
active states.
FEATURES
* Operate from 4.5V to 5.5V
* Low Input Current:1.0uA Max
* Low Power Consumption: 8μA Max
* Typical tPD=15ns
* Inputs are TTL voltage compatible
ORDERING INFORMATION
www.DataSheet.net/
Ordering Number
Lead Free
Halogen Free
U74HCT138L-S16-R
U74HCT138G-S16-R
U74HCT138L-S16-T
U74HCT138G-S16-T
Package
SOP-16
SOP-16
Packing
Tape Reel
Tube
www.unisonic.com.tw
Copyright © 2011 Unisonic Technologies Co., Ltd
1 of 5
QW-R502-642.A
Datasheet pdf - http://www.DataSheet4U.co.kr/
U74HCT138
CMOS IC
ABSOLUTE MAXIMUM RATING
PARAMETER
SYMBOL
RATINGS
UNIT
Supply Voltage
VCC
-0.5 ~ 7.0
V
Input Clamp Current(VI<0 or VI>VCC)
Output Clamp Current(VO<0 or VO>VCC)
Continuous Output Current(VO=0 to VCC)
VCC or GND Current
IIK
IOK
IO
ICC
±20 mA
±20 mA
±25 mA
±50 mA
Storage Temperature
TSTG
-65 ~ + 150
℃
Note: Absolute maximum ratings are those values beyond which the device could be permanently damaged.
Absolute maximum ratings are stress ratings only and functional device operation is not implied.
RECOMMENDED OPERATING CONDITIONS
PARAMETER
Supply Voltage
Input Voltage
Output Voltage
Operating Temperature
Input Rise or Fall Times
SYMBOL
VCC
VIN
VOUT
TA
tR, tF
TEST CONDITIONS
Operating
VCC=4.5V~5.5V
MIN TYP MAX UNIT
4.5 5.0 5.5 V
0 VCC V
0 VCC V
-40 +85 ℃
500 ns
ELECTRICAL CHARACTERISTICS(TA=25℃)
PARAMETER
High-Level input voltage
Low-Lever output voltage
High-Level Output Voltage
Low-Level Output Voltage
Input Leakage Current
Quiescent Supply Current
Additional Quiescent Supply Current
Input Capacitance
SYMBOL
VIH
VIL
VOH
VOL
II(LEAK)
ICC
△ICC
CI
TEST CONDITIONS
VCC=4.5V~5.5V
VCC=4.5V~5.5V
VCC=4.5V, IOH=-20μA
VCC=4.5V, IOH=-4mA
VCC=4.5V, IOL=20μA
V =4.5V, I =4mACC
www.DataSheet.net/
OL
VCC=5.5V, VIN= VCC or GND
VCC=5.5V, VIN=VCC or GND, IOUT=0
One input at 0.5V or 2.4V,other
inputs at 0 or Vcc
VCC=4.5V~5.5V
MIN TYP MAX UNIT
2.0 V
0.8 V
4.4 4.499
V
3.98 4.3
V
0.001 0.1 V
0.17 0.26 V
±0.1 ±100 nA
8 μA
1.4 2.4 mA
3 10 pF
SWITCHING CHARACTERISTICS(TA=25℃,see TEST CIRCUIT AND WAVEFORMS)
PARAMETER
Propagation delay from input
(An) to output( Yn )
Propagation delay from input
( En ) to output( Yn )
Output Transition Time
SYMBOL
tPLH/tPHL
tPLH/tPHL
tTLH/tTHL
TEST CONDITIONS
VCC =4.5V, CL=50pF
VCC =5.5V, CL=50pF
VCC =4.5V, CL=50pF
VCC =5.5V, CL=50pF
VCC =4.5V, CL=50pF
VCC =5.5V, CL=50pF
OPERATING CHARACTERISTICS
MIN TYP MAX UNIT
23 36 ns
17 32 ns
22 33 ns
18 30 ns
12 15 ns
11 14 ns
PARAMETER
Power Dissipation Capacitance
SYMBOL
TEST CONDITIONS
CPD No load
MIN TYP MAX UNIT
85 pF
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
4 of 5
QW-R502-642.A
Datasheet pdf - http://www.DataSheet4U.co.kr/
4페이지 | |||
구 성 | 총 5 페이지수 | ||
다운로드 | [ U74HCT138.PDF 데이터시트 ] |
당사 플랫폼은 키워드, 제품 이름 또는 부품 번호를 사용하여 검색할 수 있는 |
구매 문의 | 일반 IC 문의 : 샘플 및 소량 구매 ----------------------------------------------------------------------- IGBT, TR 모듈, SCR 및 다이오드 모듈을 포함한 광범위한 전력 반도체를 판매합니다. 전력 반도체 전문업체 상호 : 아이지 인터내셔날 사이트 방문 : [ 홈페이지 ] [ 블로그 1 ] [ 블로그 2 ] |
부품번호 | 상세설명 및 기능 | 제조사 |
U74HCT138 | 3-TO-8 LINE DECODERS / DEMULTIPLEXERS | Unisonic Technologies |
DataSheet.kr | 2020 | 연락처 | 링크모음 | 검색 | 사이트맵 |