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參數(shù)資料
| 型號： | MC74VHC240DWR2G |
| 廠商： | ON Semiconductor |
| 文件頁數(shù)： | 2/7頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC INVERTER DUAL 4-INPUT 20SOIC |
| 標(biāo)準(zhǔn)包裝： | 1,000 |
| 系列： | 74VHC |
| 邏輯類型： | 逆變器，緩沖器 |
| 電路數(shù)： | 2 |
| 輸入數(shù)： | 4 |
| 特點(diǎn)： | 三態(tài) |
| 電源電壓： | 2 V ~ 5.5 V |
| 電流 - 靜態(tài)（最大值）： | 4µA |
| 輸出電流高，低： | 8mA，8mA |
| 邏輯電平 - 低： | 0.5V |
| 邏輯電平 - 高： | 1.5V |
| 額定電壓和最大 CL 時的最大傳播延遲： | 7.5ns @ 5V，50pF |
| 工作溫度： | -40°C ~ 85°C |
| 安裝類型： | 表面貼裝 |
| 供應(yīng)商設(shè)備封裝： | 20-SOIC |
| 封裝/外殼： | 20-SOIC（0.295"，7.50mm 寬） |
| 包裝： | 帶卷 (TR) |
MC74VHC240
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
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
– 0.5 to VCC + 0.5
V
IIK
Input Diode Current
20
mA
IOK
Output Diode Current
± 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
* Absolute maximum continuous ratings are those values beyond which damage to the device
may occur. Exposure to these conditions or conditions beyond those indicated may
adversely affect device reliability. Functional operation under absolutemaximumrated
conditions is not implied.
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
2.0
5.5
V
Vin
DC Input Voltage
0
5.5
V
Vout
DC Output Voltage
0
VCC
V
TA
Operating Temperature, All Package Types
40
+ 85
_C
tr, tf
Input Rise and Fall Time
VCC = 3.3V ±0.3V
VCC =5.0V ±0.5V
0
100
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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