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參數(shù)資料
| 型號： | SN54LVCH245AFK |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | OCTAL BUS TRANSCEIVERS WITH 3-STATE OUTPUTS |
| 中文描述： | 八路總線收發(fā)器與三態(tài)輸出 |
| 文件頁數(shù)： | 4/9頁 |
| 文件大小： | 127K |
| 代理商： | SN54LVCH245AFK |
SN54LVCH245A, SN74LVCH245A
OCTAL BUS TRANSCEIVERS
WITH 3-STATE OUTPUTS
SCES008F – JULY 1995 - REVISED JUNE 1998
4
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
electrical characteristics over recommended operating free-air temperature range (unless
otherwise noted)
PARAMETER
TEST CONDITIONS
VCC
SN54LVCH245A
MIN
SN74LVCH245A
MIN
VCC–0.2
UNIT
TYP
MAX
TYP
MAX
IOH= 100
μ
IOH = –100
A
1.65 V to 3.6 V
2.7 V to 3.6 V
VCC–0.2
IOH = –4 mA
IOH = –8 mA
1.65 V
1.2
VOH
2.3 V
1.7
V
IOH= 12 mA
IOH = –12 mA
2.7 V
2.2
2.2
3 V
2.4
2.4
IOH = –24 mA
3 V
2.2
2.2
IOL= 100
μ
IOL = 100
A
1.65 V to 3.6 V
0.2
2.7 V to 3.6 V
0.2
VOL
IOL = 4 mA
IOL = 8 mA
IOL = 12 mA
IOL = 24 mA
VI = 0 to 5.5 V
VI or VO = 5.5 V
VI = 0.58 V
VI = 1.07 V
VI = 0.7 V
VI = 1.7 V
VI = 0.8 V
VI = 2 V
VI = 0 to 3.6 V§
VO = 0 to 5.5 V
VI = VCC or GND
3.6 V
≤
VI
≤
5.5 V#
One input at VCC – 0.6 V,
Other inputs at
VCC or GND
VI = VCC or GND
VO = VCC or GND
1.65 V
0.45
V
2.3 V
0.7
2.7 V
0.4
0.4
3 V
0.55
±
5
0.55
±
5
±
10
II
Ioff
Control inputs
3.6 V
μ
A
μ
A
0
1 65 V
1.65 V
2 3 V
2.3 V
45
II(hold)
–45
μ
A
3 V
75
75
–75
–75
3..6 V
±
500
±
15
10
±
500
±
10
10
IOZ
3.6 V
μ
A
ICC
IO= 0
IO = 0
3 6 V
3.6 V
μ
A
10
10
ICC
2.7 V to 3.6 V
500
500
μ
A
Ci
Cio
Control inputs
3.3 V
4
12
4
pF
A or B ports
3.3 V
5.5
12
5.5
pF
All typical values are at VCC = 3.3 V, TA = 25
°
C.
This information was not available at the time of publication.
§This is the bus-hold maximum dynamic current required to switch the input from one state to another.
For I/O ports, the parameter IOZ includes the input leakage current.
#This applies in the disabled state only.
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