参数资料
型号: 74LVTH245MSAX
厂商: Fairchild Semiconductor
文件页数: 5/10页
文件大小: 0K
描述: IC TRANSCVR TRI-ST 8BIT 20SSOP
标准包装: 2,000
系列: 74LVTH
逻辑类型: 收发器,非反相
元件数: 1
每个元件的位元数: 8
输出电流高,低: 32mA,64mA
电源电压: 2.7 V ~ 3.6 V
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 20-SSOP(0.209",5.30mm 宽)
供应商设备封装: 20-SSOP
包装: 带卷 (TR)
1999 Fairchild Semiconductor Corporation
www.fairchildsemi.com
74LVT245, 74LVTH245 Rev. 1.4.0
4
74L
VT245,
74L
VTH245
Lo
w
V
olta
g
e
Octal
Bidirectional
T
ransceiver
with
3-ST
A
TE
Inputs/Outputs
DC Electrical Characteristics
Notes:
2. Applies to Bushold versions only (LVTH245).
3. An external driver must source at least the specified current to switch from LOW-to-HIGH.
4. An external driver must sink at least the specified current to switch from HIGH-to-LOW.
5. 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
TA = –40°C to +85°C
Units
Min.
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
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)
(2)
Bushold Input Minimum Drive
3.0
VI = 0.8V
75
A
VI = 2.0V
–75
II(OD)
(2)
Bushold Input Over-Drive,
Current to Change State
3.0
(3)
500
A
(4)
–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 Current
0–1.5V
VO = 0.5V to VCC,
VI = GND to VCC
±100
A
IOZL
3-STATE Output Leakage Current
3.6
VO = 0.5V
–5
A
IOZL
(2)
3-STATE Output Leakage Current
3.6
VO = 0.0V
–5
A
IOZH
3-STATE Output Leakage Current
3.6
VO = 3.0V
5
A
IOZH
(2)
3-STATE Output Leakage Current
3.6
VO = 3.6V
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(5)
3.6
One Input at VCC – 0.6V,
Other Inputs at VCC or
GND
0.2
mA
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