|
|
|
부품번호 | M74HCT541 기능 |
|
|
기능 | OCTAL BUS BUFFER WITH 3 STATE OUTPUTS HCT540: INVERTED - HCT541 NON INVERTED | ||
제조업체 | ST Microelectronics | ||
로고 | |||
전체 12 페이지수
M54HCT540/541
M74HCT540/541
OCTAL BUS BUFFER WITH 3 STATE OUTPUTS
HCT540: INVERTED - HCT541 NON INVERTED
. HIGH SPEED
tPD = 10 ns (TYP.) at VCC = 5V
. LOW POWER DISSIPATION
ICC = 4 µA (MAX.) at TA = 25 oC
. COMPATIBLE WITH TTL OUTPUTS
VIH = 2V (MIN.) VIL = 0.8V (MAX.)
. OUTPUT DRIVE CAPABILITY
15 LSTTL LOADS
. SYMMETRICAL OUTPUT IMPEDANCE
|IOH| = IOL = 6 mA (MIN)
. BALANCED PROPAGATION DELAYS
tPLH = tPHL
. PIN AND FUNCTION COMPATIBLE
WITH 54/74LS540/541
DESCRIPTION
B1R
(Plastic Package)
F1R
(Ceramic Package)
M 1R
C1R
(Micro Package)
(Chip Carrier)
ORDER CODES :
M54HCTXXXF1R M74HCTXXXM1R
M74HCTXXXB1R M74HCTXXXC1R
The M54/74HCT540 and HCT541 are high speed
CMOS OCTAL BUS BUFFERS (3-STATE)
fabricated in silicon gate C2MOS technology. They
have the same high speed performance of LSTTL
combined with true CMOS low power consumption.
The HCT540 is an inverting buffer and HCT541 is a
non inverting buffer.
The 3 STATE control gate operates as a two input
AND such that if either G1 and G2 are high, all eight
outputs are in the high impedance state. In order to
enhance PC board layout, the HCT540 and
HCT541 offers a pinout having inputs and outputs
on opposite sides of the package. All inputs are
equipped with protection circuits against static
discharge and transient excess voltage.
This integrated circuit has input and output
characteristics that are fully compatible with 54/74
LSTTL logic families. M54/74HCT devices are
designed to directly interface HSC2MOS systems
with TTL and NMOS components. They are also
plug in replacements for LSTTL devices giving a
reduction of power consumption.
IT IS PROHIBITED TO APPLY A SIGNAL TO BUS
TERMINAL WHEN IT IS IN OUTPUT MODE.
WHEN A BUS TERMINAL IS FLOATING (HIGH
IMPEDANCE STATE) IT IS REQUESTED TO FIX
THE INPUT LEVEL BY MEANS OF EXTERNAL
PULL DOWN OR PULL UP RESISTOR.
PIN CONNECTION (top view)
HCT540
HCT541
October 1993
1/12
M54/M74HCT540/541
ABSOLUTE MAXIMUM RATINGS
Symbol
Parameter
Value
Unit
VCC Supply Voltage
-0.5 to +7
V
VI DC Input Voltage
-0.5 to VCC + 0.5
V
VO DC Output Voltage
-0.5 to VCC + 0.5
V
IIK DC Input Diode Current
IOK DC Output Diode Current
IO DC Output Source Sink Current Per Output Pin
± 20 mA
± 20 mA
± 35 mA
ICC or IGND DC VCC or Ground Current
± 70 mA
PD Power Dissipation
500 (*)
mW
Tstg Storage Temperature
-65 to +150
oC
TL Lead Temperature (10 sec)
300 oC
Absolute Maximum Ratings are those values beyond which damage tothe device may occur. Functional operation under these conditions is not implied.
(*) 500 mW: ≅ 65 oC derate to 300 mW by 10mW/oC: 65 oC to 85 oC
RECOMMENDED OPERATING CONDITIONS
Symbol
VCC
VI
VO
Top
tr, tf
Parameter
Supply Voltage
Input Voltage
Output Voltage
Operating Temperature: M54HC Series
M74HC Series
Input Rise and Fall Time (VCC = 4.5 to 5.5V)
Value
4.5 to 5.5
0 to VCC
0 to VCC
-55 to +125
-40 to +85
0 to 500
Unit
V
V
V
oC
oC
ns
4/12
4페이지 SWITCHING CHARACTERISTICS TEST CIRCUIT
HCT 54 0
M54/M74HCT540/541
H CT 54 1
7/12
7페이지 | |||
구 성 | 총 12 페이지수 | ||
다운로드 | [ M74HCT541.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 |
M74HCT540 | OCTAL BUS BUFFER WITH 3 STATE OUTPUTS HCT540: INVERTED - HCT541 NON INVERTED | ST Microelectronics |
M74HCT541 | OCTAL BUS BUFFER WITH 3 STATE OUTPUTS HCT540: INVERTED - HCT541 NON INVERTED | ST Microelectronics |
DataSheet.kr | 2020 | 연락처 | 링크모음 | 검색 | 사이트맵 |