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參數(shù)資料
| 型號(hào)： | MC74HC244A |
| 廠商： | ON SEMICONDUCTOR |
| 英文描述： | Octal 3 State Noninverting Buffer/Line Driver/Line Receiver(八總線緩沖器（三態(tài)同相輸出）) |
| 中文描述： | 八路3國(guó)同相緩沖器/線路驅(qū)動(dòng)器/線接收器（八總線緩沖器（三態(tài)同相輸出）） |
| 文件頁數(shù)： | 3/10頁 |
| 文件大小： | 130K |
| 代理商： | MC74HC244A |
MC74HC244A
http://onsemi.com
3
applied to the device are individual stress limit values (not normal operating conditions) and are
not valid simultaneously. If these limits are exceeded, device functional operation is not implied,
damage may occur and reliability may be affected.
Derating — Plastic DIP: – 10 mW/ C from 65 to 125 C
SOIC Package: – 7 mW/ C from 65 to 125 C
TSSOP Package: 6.1 mW/ C from 65 to 125 C
For high frequency or heavy load considerations, see Chapter 2 of the ON Semiconductor HighSpeed CMOS Data Book (DL129/D).
SOIC Package
500
L
Symbol
V
in
, V
out
DC Input Voltage, Output Voltage (Referenced to GND)
Parameter
Min
Max
7.8 mA
Unit
V
CC
DC Supply Voltage (Referenced to GND)
2.0
6.0
V
T
A
0
V
CC
V
Operating Temperature, All Package Types
+ 125
C
t
r
, t
f
Input Rise and Fall Time
V
CC
= 2.0 V
V
CC
= 6.0 V
0
0
1000
400
ns
V
25 C
2.0
6.0
4.2
4.2
2.0
4.5
1.8
1.8
4.5
6.0
5.9
5.9
3.0
4.5
6.0
5.48
5.34
2.0
4.5
6.0
0.1
0.1
3.0
4.5
6.0
0.26
0.33
V
7.8 mA
1.5
2.1
3.15
1.5
4.2
0.5
1.35
4.4
5.9
5.2
0.1
0.1
0.4
0.4
V
Minimum HighLevel Input Voltage
V
= V
– 0.1 V
out
1.5
V
IL
Maximum LowLevel Input Voltage
V
out
= 0.1 V
0.5
1.35
0.5
1.35
V
4.4
4.4
in
IH
out
|I
out
|
V
OL
Maximum LowLevel Output
V
in
= V
IL
0.1
0.1
V
V
= V
|I
|
|I
|
2.4 mA
0.26
0.33
This device contains protection
circuitry to guard against damage
due to high static voltages or electric
fields. However, precautions must
be taken to avoid applications of any
voltage higher than maximum rated
voltages to this highimpedance cir-
cuit. For proper operation, V
in
and
V
out
should be constrained to the
range GND
(V
in
or V
out
)
Unused inputs must always be
tied to an appropriate logic voltage
level (e.g., either GND or V
CC
).
Unused outputs must be left open.
V
CC
.
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|---|---|
| MC74HC245AFELG | Octal 3-State Noninverting Bus Transceiver |
| MC74HC245ADT | Octal 3-State Noninverting Bus Transceiver |
| MC74HC245ADTG | Octal 3-State Noninverting Bus Transceiver |
| MC74HC245ADTR2 | Octal 3-State Noninverting Bus Transceiver |
| MC74HC245ADTR2G | Octal 3-State Noninverting Bus Transceiver |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MC74HC244ADT | 功能描述:緩沖器和線路驅(qū)動(dòng)器 2-6V Octal 3-State RoHS:否 制造商:Micrel 輸入線路數(shù)量:1 輸出線路數(shù)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(fēng)格:SMD/SMT 封裝 / 箱體:MSOP-8 封裝:Reel |
| MC74HC244ADTEL | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| MC74HC244ADTG | 功能描述:緩沖器和線路驅(qū)動(dòng)器 2-6V Octal 3-State Non-Inverting RoHS:否 制造商:Micrel 輸入線路數(shù)量:1 輸出線路數(shù)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(fēng)格:SMD/SMT 封裝 / 箱體:MSOP-8 封裝:Reel |
| MC74HC244ADTR2 | 功能描述:緩沖器和線路驅(qū)動(dòng)器 2-6V Octal 3-State RoHS:否 制造商:Micrel 輸入線路數(shù)量:1 輸出線路數(shù)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(fēng)格:SMD/SMT 封裝 / 箱體:MSOP-8 封裝:Reel |
| MC74HC244ADTR2G | 功能描述:緩沖器和線路驅(qū)動(dòng)器 2-6V Octal 3-State Non-Inverting RoHS:否 制造商:Micrel 輸入線路數(shù)量:1 輸出線路數(shù)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(fēng)格:SMD/SMT 封裝 / 箱體:MSOP-8 封裝:Reel |
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