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器件3D模型￥ 2.383
SN74LVC8T245PW 数据手册 - TI（德州仪器）
制造商:
TI（德州仪器）
分类:
逻辑控制器
封装:
TSSOP-24
描述:
TEXAS INSTRUMENTS SN74LVC8T245PW 收发器, 非反相, 3态, 1.65V至5.5V, TSSOP-24
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封装尺寸在P18P21P22
标记信息在P18P19
封装信息在P17P18P19P20P21P22
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电气规格在P8
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SN74LVC8T245PW数据手册
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SN74LVC8T245
SCES584B –JUNE 2005–REVISED NOVEMBER 2014
www.ti.com
8.3 Recommended Operating Conditions
(1) (2) (3) (4)
V
CCI
V
CCO
MIN MAX UNIT
V
CCA
1.65 5.5
Supply voltage V
V
CCB
1.65 5.5
1.65 V to 1.95 V V
CCI
× 0.65
2.3 V to 2.7 V 1.7
High-level
V
IH
Data inputs
(5)
V
input voltage
3 V to 3.6 V 2
4.5 V to 5.5 V V
CCI
× 0.7
1.65 V to 1.95 V V
CCI
× 0.35
2.3 V to 2.7 V 0.7
Low-level
V
IL
Data inputs
(5)
V
input voltage
3 V to 3.6 V 0.8
4.5 V to 5.5 V V
CCI
× 0.3
1.65 V to 1.95 V V
CCA
× 0.65
2.3 V to 2.7 V 1.7
High-level Control inputs
V
IH
V
input voltage (referenced to V
CCA
)
(6)
3 V to 3.6 V 2
4.5 V to 5.5 V V
CCA
× 0.7
1.65 V to 1.95 V V
CCA
× 0.35
2.3 V to 2.7 V 0.7
Low-level Control inputs
V
IL
V
input voltage (referenced to V
CCA
)
(6)
3 V to 3.6 V 0.8
4.5 V to 5.5 V V
CCA
× 0.3
V
I
Input voltage Control inputs 0 5.5 V
Active state 0 V
CCO
V
Input/output
V
I/O
voltage
3-State 0 5.5 V
1.65 V to 1.95 V –4
2.3 V to 2.7 V –8
I
OH
High-level output current mA
3 V to 3.6 V –24
4.5 V to 5.5 V –32
1.65 V to 1.95 V 4
2.3 V to 2.7 V 8
I
OL
Low-level output current mA
3 V to 3.6 V 24
4.5 V to 5.5 V 32
1.65 V to 1.95 V 20
2.3 V to 2.7 V 20
Input transition
Δt/Δv Data inputs ns/V
rise or fall rate
3 V to 3.6 V 10
4.5 V to 5.5 V 5
T
A
Operating free-air temperature –40 85 °C
(1) V
CCI
is the V
CC
associated with the data input port.
(2) V
CCO
is the V
CC
associated with the output port.
(3) All unused or driven (floating) data inputs (I/Os) of the device must be held at logic HIGH or LOW (preferably V
CCI
or GND) to ensure
proper device operation and minimize power. Refer to the TI application report, Implications of Slow or Floating CMOS Inputs, literature
number SCBA004.
(4) All unused control inputs must be held at V
CCA
or GND to ensure proper device operation and minimize power comsumption.
(5) For V
CCI
values not specified in the data sheet, V
IH
min = V
CCI
× 0.7 V, V
IL
max = V
CCI
× 0.3 V.
(6) For V
CCA
values not specified in the data sheet, V
IH
min = V
CCA
× 0.7 V, V
IL
max = V
CCA
× 0.3 V.
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