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参数资料
| 型号： | SN54LVTH245 |
| 厂商： | Texas Instruments, Inc. |
| 英文描述： | 3.3V ABT Octal Bus Transceivers and Registers With 3-State Outputs(3.3V ABT八总线收发器(三态输出)) |
| 中文描述： | 3.3生根粉八路总线收发器和寄存器具有三态输出电压（3.3V ABT生根粉八总线收发器（三态输出）） |
| 文件页数： | 4/7页 |
| 文件大小： | 161K |
| 代理商： | SN54LVTH245 |
SN54LVTH245A, SN74LVTH245A
3.3-V ABT OCTAL BUS TRANSCEIVERS
WITH 3-STATE OUTPUTS
SCBS130L – MAY 1992 – REVISED JANUARY 1997
4
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
electrical characteristics over recommended operating free-air temperature range (unless
otherwise noted)
PARAMETER
TEST CONDITIONS
SN54LVTH245A
MIN
TYP
SN74LVTH245A
MIN
TYP
UNIT
MAX
MAX
VIK
VCC = 2.7 V,
VCC = 2.7 V to 3.6 V,
VCC = 2.7 V,
II = –18 mA
IOH = –100
μ
A
IOH = –8 mA
IOH = –24 mA
IOH = –32 mA
IOL = 100
μ
A
IOL = 24 mA
IOL = 16 mA
IOL = 32 mA
IOL = 48 mA
IOL = 64 mA
VI = VCC or GND
VI = 5.5 V
VI = 5.5 V
VI = VCC
VI = 0
VI or VO = 0 to
4.5 V
VI = 0.8 V
VI = 2 V
VO = 0.5 V to 3 V,
VO = 0.5 V to 3 V,
–1.2
–1.2
V
VOH
VCC–0.2
VCC–0.2
V
2.4
2.4
VCC= 3 V
VCC = 3 V
2
2
VOL
VCC= 2 7 V
VCC = 2.7 V
0.2
0.2
V
0.5
0.5
VCC= 3 V
VCC = 3 V
0.4
0.4
0.5
0.5
0.55
0.55
±
1
10
II
VCC = 3.6 V,
VCC = 0 or 3.6 V,
Control
inputs
±
1
10
VCC = 3.6 V
3 6 V
A or B
ports
20
20
A
μ
1
1
–5
–5
Ioff
VCC = 0,
±
100
±
100
μ
A
II(hold)
VCC= 3 V
VCC = 3 V
A or B
ports
75
75
μ
A
–75
–75
IOZPU§
IOZPD§
VCC = 0 to 1.5 V,
VCC = 1.5 V to 0,
OE = 0
±
100
±
100
±
100
±
100
μ
A
μ
A
OE = 0
ICC
VCC = 3.6 V,
VI = VCC or GND
3 6 V
IO = 0,
Outputs
high
0.19
0.19
Outputs
low
5
5
mA
Outputs
disabled
0.19
0.19
ICC
VCC = 3 V to 3.6 V,
Other inputs at VCC or GND
VI = 3 V or 0
VO = 3 V or 0
One input at VCC – 0.6 V,
0.2
0.2
mA
Ci
Cio
4
4
pF
9
9
pF
All typical values are at VCC = 3.3 V, TA = 25
°
C.
Unused terminals are at VCC or GND.
§This parameter is specified by characterization but is not tested.
This is the increase in supply current for each input that is at the specified TTL voltage level rather than VCC or GND.
PRODUCT PREVIEW information concerns products in the formative or
design phase of development. Characteristic data and other
specifications are design goals. Texas Instruments reserves the right to
change or discontinue these products without notice.
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