參數(shù)資料
型號： SN74ABTH162500
廠商： Texas Instruments, Inc.
英文描述： 18-Bit Universal Bus Transceivers With 3-State Outputs(18位通用總線收發(fā)器(三態(tài)輸出))
中文描述： 18位通用總線收發(fā)器與三態(tài)輸出（18位通用總線收發(fā)器（三態(tài)輸出））
文件頁數(shù)： 6/9頁
文件大?。?/td> 211K
代理商： SN74ABTH162500
SN54ABT162500, SN74ABT162500
18-BIT UNIVERSAL BUS TRANSCEIVERS
WITH 3-STATE OUTPUTS
SCBS242D – JUNE 1992 – REVISED MAY 1997
6
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
electrical characteristics over recommended operating free-air temperature range (unless
otherwise noted)
PARAMETER
TEST CONDITIONS
TA = 25
°
C
TYP
SN54ABT162500
MIN
SN74ABT162500
MIN
UNIT
MIN
MAX
MAX
MAX
VIK
VCC = 4.5 V,
VCC = 4.5 V,
VCC = 5 V,
II = –18 mA
IOH = –3 mA
IOH = –3 mA
IOH = –24 mA
IOH = –32 mA
IOH = –1 mA
IOH = –1 mA
IOH = –3 mA
IOH = –12 mA
IOL = 48 mA
IOL = 64 mA
IOL = 12 mA
–1.2
–1.2
–1.2
V
VOH
A port
2.5
2.5
2.5
V
3
3
3
VCC= 4 5 V
VCC = 4.5 V
2
2
2*
2
B port
VCC = 4.5 V,
VCC = 5 V,
3.35
3.3
3.35
3.85
3.8
3.85
VCC= 4 5 V
VCC = 4.5 V
3.1
3
3.1
2.6
2.6
VOL
A port
VCC= 4 5 V
VCC = 4.5 V
0.55
0.55
V
0.55*
0.55
B port
VCC = 4.5 V,
0.8
0.8
0.8
Vhys
100
mV
II
Control inputs
VCC = 0 to 5.5 V, VI = VCC or GND
VCC = 2.1 V to 5.5 V,
VI = VCC or GND
VCC = 0 to 2.1 V,
VO = 0.5 V to 2.7 V, OE or OE = X
VCC = 2.1 V to 0,
VO = 0.5 V to 2.7 V, OE or OE = X
VCC = 2.1 V to 5.5 V,
VO = 2.7 V, OE
≥
2 V or OE
≤
0.8 V
VCC = 2.1 V to 5.5 V,
VO = 0.5 V, OE
≥
2 V or OE
≤
0.8 V
VCC = 0,
VCC = 5.5 V,
VO = 5.5 V
±
1
±
1
±
1
A or B ports
±
20
±
20
±
20
μ
A
IOZPU
±
50
±
50
±
50
μ
A
IOZPD
±
50
±
50
±
50
μ
A
IOZH§
10
10
10
μ
A
IOZL§
–10
–10
–10
μ
A
Ioff
VI or VO
≤
4.5 V
±
100
±
100
μ
A
ICEX
Outputs high
50
50
50
μ
A
A port
VCC= 5 5 V
VCC = 5.5 V,
VO=25V
VO = 2.5 V
–50
–110
–180
–50
–180
–50
–180
mA
IO#
B port
–25
–55
–90
–25
–90
–25
–90
ICC
A or B ports
VCC = 5.5 V,
IO
VI = VCC or GND
Outputs high
3
3
3
Outputs low
36
36
36
mA
Outputs disabled
3
3
3
ICC||
VCC = 5.5 V, One input at 3.4 V,
Other inputs at VCC or GND
VI = 2.5 V or 0.5 V
VO = 2.5 V or 0.5 V
50
50
50
μ
A
Ci
Cio
Control inputs
3
pF
A or B ports
9
pF
* On products compliant to MIL-PRF-38535, this parameter does not apply.
All typical values are at VCC = 5 V.
This parameter is characterized, but not production tested.
§The parameters IOZH and IOZL include the input leakage current.
For VCC between 2.1 V and 4 V, OE should be less than or equal to 0.5 V to ensure a low state.
#Not more than one output should be tested at a time, and the duration of the test should not exceed one second.
||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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