參數(shù)資料
型號: 74LVT244WMX
廠商: Fairchild Semiconductor
文件頁數(shù): 5/10頁
文件大?。?/td> 0K
描述: IC BUFF/DVR TRI-ST DUAL 20SOIC
標準包裝: 1
系列: 74LVT
邏輯類型: 緩沖器/線路驅(qū)動器,非反相
元件數(shù): 2
每個元件的位元數(shù): 4
輸出電流高,低: 32mA,64mA
電源電壓: 2.7 V ~ 3.6 V
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 20-SOIC(0.295",7.50mm 寬)
供應(yīng)商設(shè)備封裝: 20-SOIC
包裝: 標準包裝
產(chǎn)品目錄頁面: 1211 (CN2011-ZH PDF)
其它名稱: 74LVT244WMXDKR
1999 Fairchild Semiconductor Corporation
www.fairchildsemi.com
74LVT244, 74LVTH244 Rev. 1.5.0
4
74L
VT244,
74L
VTH244
Lo
w
V
olta
g
e
Octal
Buff
er/Line
Driver
with
3-ST
A
TE
Outputs
DC Electrical Characteristics
Notes:
2. All typical values are at VCC = 3.3V, TA = 25°C.
3. Applies to bushold versions only (74LVTH244).
4. An external driver must source at least the specified current to switch from LOW-to-HIGH.
5. An external driver must sink at least the specified current to switch from HIGH-to-LOW.
6. This is the increase in supply current for each input that is at the specified voltage level rather than VCC or GND.
Symbol
Parameter
VCC
(V)
Conditions
T A =–40°C to +85°C
Units
Min.
Typ.(2)
Max.
VIK
Input Clamp Diode Voltage
2.7
II = –18mA
–1.2
V
VIH
Input HIGH Voltage
2.7–3.6
VO ≤ 0.1V or
VO ≥ VCC – 0.1V
2.0
V
VIL
Input LOW Voltage
2.7–3.6
0.8
V
VOH
Output HIGH Voltage
2.7–3.6
IOH = –100A
VCC–0.2
V
2.7
IOH = –8mA
2.4
3.0
IOH = –32mA
2.0
VOL
Output LOW Voltage
2.7
IOL = 100A
0.2
V
IOL = 24mA
0.5
3.0
IOL = 16mA
0.4
IOL = 32mA
0.5
IOL = 64mA
0.55
II(HOLD)
(3)
Bushold Input Minimum
Drive
3.0
VI = 0.8V
75
A
VI = 2.0V
–75
II(OD)
(3)
Bushold Input Over-Drive
Current to Change State
3.0
(4)
500
A
(5)
–500
II
Input Current
3.6
VI = 5.5V
10
A
Control Pins
3.6
VI = 0V or VCC
±1
Data Pins
3.6
VI = 0V
–5
VI = VCC
1
IOFF
Power Off Leakage Current
0
0V
≤ V
I or VO ≤ 5.5V
±100
A
IPU/PD
Power up/down 3-STATE
Output Current
0–1.5V
VO = 0.5V to 3.0V,
VI = GND or VCC
±100
A
IOZL
3-STATE Output Leakage
Current
3.6
VO = 0.5V
–5
A
IOZH
3-STATE Output Leakage
Current
3.6
VO = 3.0V
5
A
IOZH+
3-STATE Output Leakage
Current
3.6
VCC < VO ≤ 5.5V
10
A
ICCH
Power Supply Current
3.6
Outputs HIGH
0.19
mA
ICCL
Power Supply Current
3.6
Outputs LOW
5
mA
ICCZ
Power Supply Current
3.6
Outputs Disabled
0.19
mA
ICCZ+Power Supply Current
3.6
VCC ≤ VO ≤ 5.5V,
Outputs Disabled
0.19
mA
I
CC
Increase in Power Supply
Current(6)
3.6
One Input at VCC – 0.6V,
Other Inputs at VCC or
GND
0.2
mA
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