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參數(shù)資料
| 型號： | 74VHC221ASJX |
| 廠商： | Fairchild Semiconductor |
| 文件頁數(shù)： | 8/12頁 |
| 文件大?。?/td> | 0K |
| 描述： | MULTIVIBRATOR DUAL MONO 16SOP |
| 標(biāo)準(zhǔn)包裝： | 2,000 |
| 系列： | 74VHC |
| 邏輯類型： | 單穩(wěn)態(tài) |
| 獨(dú)立電路： | 2 |
| 施密特觸發(fā)器輸入： | 無 |
| 傳輸延遲： | 8.1ns |
| 輸出電流高，低： | 8mA，8mA |
| 電源電壓： | 2 V ~ 5.5 V |
| 工作溫度： | -40°C ~ 85°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 16-SOIC（0.209"，5.30mm 寬） |
| 供應(yīng)商設(shè)備封裝： | 16-SOP |
| 包裝： | 帶卷 (TR) |
74VHC221A
Dual
Non-Retrig
g
erab
le
Monostab
le
Multivibrator
1994 Fairchild Semiconductor Corporation
www.fairchildsemi.com
74VHC221A Rev. 1.2
5
Absolute Maximum Ratings
Stresses exceeding the absolute maximum ratings may damage the device. The device may not function or be
operable above the recommended operating conditions and stressing the parts to these levels is not recommended.
In addition, extended exposure to stresses above the recommended operating conditions may affect device reliability.
The absolute maximum ratings are stress ratings only.
Recommended Operating Conditions(1)
The Recommended Operating Conditions table defines the conditions for actual device operation. Recommended
operating conditions are specified to ensure optimal performance to the datasheet specifications. Fairchild does not
recommend exceeding them or designing to absolute maximum ratings.
Notes:
1. Unused inputs must be held HIGH or LOW. They may not float.
2. The maximum allowable values of Cx and Rx are a function of the leakage of capacitor Cx, the leakage of the device,
and leakage due to board layout and surface resistance.
Susceptibility to externally induced noise signals may occur for Rx
> 1 M.
Symbol
Parameter
Rating
VCC
Supply Voltage
–0.5V to +7.0V
VIN
DC Input Voltage
–0.5V to +7.0V
VOUT
DC Output Voltage
–0.5V to VCC + 0.5V
IIK
Input Diode Current
–20mA
IOK
Output Diode Current
±20mA
IOUT
DC Output Current
±25mA
ICC
DC VCC / GND Current
±50mA
TSTG
Storage Temperature
–65°C to +150°C
TL
Lead Temperature (Soldering, 10 seconds)
260°C
Symbol
Parameter
Rating
VCC
Supply Voltage
2.0V to +5.5V
VIN
Input Voltage
0V to +5.5V
VOUT
Output Voltage
0V to VCC
TOPR
Operating Temperature
–40°C to +85°C
tr, tf
Input Rise and Fall Time (CLR only)
VCC = 3.3V ± 0.3V
VCC = 5.0V ± 0.5V
0ns/V
100ns/V
0ns/V
20ns/V
External Capacitor, Cx
No Limitation(2) F
External Resistor, Rx
>5k(2) (V
CC = 2.0V)
>1k(2) (V
CC > 3.0V)
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