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부품번호 | M74HC242 기능 |
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기능 | QUAD BUS TRANSCEIVER 3-STATE | ||
제조업체 | ST Microelectronics | ||
로고 | |||
전체 11 페이지수
M54/74HC242
M54/74HC243
QUAD BUS TRANSCEIVER (3-STATE)
. HIGH SPEED
tPD = 9 ns (TYP.) AT VCC = 5 V
. LOW POWER DISSIPATION
ICC = 4 µA (MAX.) AT 25 °C
. OUTPUT DRIVE CAPABILITY
15 LSTTL LOADS
. BALANCED PROPAGATION DELAYS
tPLH = tPHL
. SYMMETRICAL OUTPUT IMPEDANCE
IOL = IOH = 6 mA (MIN.)
. HIGH NOISE IMMUNITY
VNIH = VNIL = 28 % VCC (MIN.)
. WIDE OPERATING VOLTAGE RANGE
VCC (OPR) = 2 V TO 6 V
. PIN AND FUNCTION COMPATIBLE
WITH 54/74LS242/243
DESCRIPTION
B1R
(Plastic Package)
F1R
(Ceramic Package)
M 1R
(Micro Package)
C1R
(Chip Carrier)
ORDER CODES :
M54HCXXXF1R M74HCXXXM1R
M74HCXXXB1R M74HCXXXC1R
The M54/74HC242/243 are high speed CMOS
QUAD BUS TRANSCEIVER (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 HC242/243 are 3
STATE bi-directional inverting and non-inverting
buffers and are intended for two-way asynchronous
communication between data buses. They are high
drive current outputs which enable high speed
operation when driving large bus capacitances.
Each device has one active high enable (GBA), and
one active low enable (GAB). GBA enables the A
outputs and GAB enables the B outputs. All inputs
are equipped with protection circuits against static
discharge and transient excess voltage.
PIN CONNECTIONS (top view)
HC242
INPUT AND OUTPUT EQUIVALENT CIRCUIT
HC243
October 1993
NC =
No Internal
Connection
1/11
M54/M74HC242/243
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 = 2 V
VCC = 4.5 V
VCC = 6 V
Value
2 to 6
0 to VCC
0 to VCC
-55 to +125
-40 to +85
0 to 1000
0 to 500
0 to 400
Unit
V
V
V
oC
oC
ns
DC SPECIFICATIONS
Symbol
Parameter
VIH High Level Input
Voltage
VIL Low Level Input
Voltage
VOH High Level
Output Voltage
VOL Low Level Output
Voltage
II Input Leakage
Current
IOZ 3 State Output
Off-state Current
ICC Quiescent Supply
Current
Test Conditions
VCC
(V)
2.0
4.5
6.0
2.0
4.5
6.0
2.0
4.5
VI =
VIH
IO=-20 µA
6.0 or
4.5 VIL IO=-6.0 mA
6.0 IO=-7.8 mA
2.0
4.5
VI =
VIH
IO= 20 µA
6.0 or
4.5 VIL IO= 6.0 mA
6.0 IO= 7.8 mA
6.0 VI = VCC or GND
TA = 25 oC
54HC and 74HC
Min. Typ. Max.
1.5
3.15
4.2
0.5
1.35
1.8
1.9 2.0
4.4 4.5
5.9 6.0
4.18 4.31
5.68 5.8
0.0 0.1
0.0 0.1
0.0 0.1
0.17 0.26
0.18 0.26
±0.1
Value
-40 to 85 oC
74HC
Min. Max.
1.5
3.15
4.2
0.5
1.35
1.8
1.9
4.4
5.9
4.13
5.63
0.1
0.1
0.1
0.33
0.33
±1
-55 to 125 oC
54HC
Min. Max.
1.5
3.15
4.2
0.5
1.35
1.8
1.9
4.4
5.9
4.10
5.60
0.1
0.1
0.1
0.40
0.40
±1
6.0
VI = VIH or VIL
VO = VCC or GND
6.0 VI = VCC or GND
±0.5 ±5 ±10
4 40 80
Unit
V
V
V
V
µA
µA
µA
4/11
4페이지 DIM.
a1
B
b
b1
D
E
e
e3
F
I
L
Z
M54/M74HC242/243
Plastic DIP14 MECHANICAL DATA
MIN.
0.51
1.39
1.27
mm
TYP.
0.5
0.25
8.5
2.54
15.24
3.3
MAX.
1.65
20
7.1
5.1
2.54
MIN.
0.020
0.055
0.050
inch
TYP.
0.020
0.010
0.335
0.100
0.600
0.130
MAX.
0.065
0.787
0.280
0.201
0.100
P001A
7/11
7페이지 | |||
구 성 | 총 11 페이지수 | ||
다운로드 | [ M74HC242.PDF 데이터시트 ] |
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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 |
M74HC240 | OCTAL BUS BUFFER | ST Microelectronics |
M74HC240HV | OCTAL BUS BUFFER WITH 3 STATE OUTPUTS HC240HV: INVERTED - HC241HV NON INVERTED | ST Microelectronics |
DataSheet.kr | 2020 | 연락처 | 링크모음 | 검색 | 사이트맵 |