參數(shù)資料
型號(hào)： MC74VHCT240ADWR2G
廠商： ON SEMICONDUCTOR
元件分類： 總線收發(fā)器
英文描述： AHCT/VHCT SERIES, DUAL 4-BIT DRIVER, INVERTED OUTPUT, PDSO20
封裝： SOIC-20
文件頁數(shù)： 2/6頁
文件大?。?/td> 105K
代理商： MC74VHCT240ADWR2G
MC74VHCT240A
http://onsemi.com
2
Figure 1. Logic Diagram
DATA
INPUTS
A1
A2
A3
A4
B1
B2
B3
B4 17
15
13
11
8
6
4
218
16
14
12
9
7
5
3 YB4
YB3
YB2
YB1
YA4
YA3
YA2
YA1
INVERTING
OUTPUTS
OUTPUT
ENABLES
OEA
OEB
1
19
Figure 2. Pin Assignment
A3
A2
YB4
A1
OEA
GND
YB1
A4
YB2
YB3
5
4
3
2
1
10
9
8
7
6
14
15
16
17
18
19
20
11
12
13
YA2
B4
YA1
OEB
VCC
B1
YA4
B2
YA3
B3
OEA, OEB
A, B
YA, YB
L
H
L
H
X
H
L
Z
INPUTS
OUTPUTS
FUNCTION TABLE
MAXIMUM RATINGS
Symbol
Parameter
Value
Unit
VCC
DC Supply Voltage
– 0.5 to + 7.0
V
Vin
DC Input Voltage
– 0.5 to + 7.0
V
Vout
DC Output Voltage
Output in 3State
High or Low State
– 0.5 to + 7.0
– 0.5 to VCC + 0.5
V
IIK
Input Diode Current
20
mA
IOK
Output Diode Current (VOUT < GND; VOUT > VCC)
± 20
mA
Iout
DC Output Current, per Pin
± 25
mA
ICC
DC Supply Current, VCC and GND Pins
± 75
mA
PD
Power Dissipation in Still Air,
SOIC Packages
TSSOP Package
500
450
mW
Tstg
Storage Temperature
– 65 to + 150
_C
Maximum ratings are those values beyond which device damage can occur. Maximum ratings
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 SOIC Packages: – 7 mW/
_C from 65_ to 125_C
TSSOP Package: 6.1 mW/
_C from 65_ to 125_C
RECOMMENDED OPERATING CONDITIONS
Symbol
Parameter
Min
Max
Unit
VCC
DC Supply Voltage
4.5
5.5
V
Vin
DC Input Voltage
0
5.5
V
Vout
DC Output Voltage
Output in 3State
High or Low State
0
5.5
VCC
V
TA
Operating Temperature
40
+ 85
_C
tr, tf
Input Rise and Fall Time
VCC =5.0V ±0.5V
0
20
ns/V
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, Vin and
Vout should be constrained to the
range GND
v (Vin or Vout) v VCC.
Unused inputs must always be
tied to an appropriate logic voltage
level (e.g., either GND or VCC).
Unused outputs must be left open.
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MC74VHCT240AM 制造商:Rochester Electronics LLC 功能描述:- Bulk 制造商:ON Semiconductor 功能描述:
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MC74VHCT240AMELG 功能描述:緩沖器和線路驅(qū)動(dòng)器 5V Octal 3-State 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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