參數(shù)資料
型號(hào): SN54ABTH245J
廠商: Texas Instruments, Inc.
元件分類: 通用總線功能
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(yè)數(shù): 4/7頁(yè)
文件大?。?/td> 95K
代理商: SN54ABTH245J
SN54ABTH245, SN74ABTH245
OCTAL BUS TRANSCEIVERS
WITH 3-STATE OUTPUTS
SCBS663D – APRIL 1996 – REVISED SEPTEMBER 1999
4
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
SN54ABTH245
MIN
SN74ABTH245
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
IOL = 48 mA
IOL = 64 mA
–1.2
–1.2
–1.2
V
2.5
2.5
2.5
VOH
3
3
3
V
VCC= 4 5 V
VCC = 4.5 V
2
2
2*
2
VOL
VCC= 4 5 V
VCC = 4.5 V
0.55
0.55
V
0.55*
0.55
Vhys
100
mV
II
Control
inputs
VCC = 0 to 5.5 V,
VI = VCC or GND
±
1
±
1
±
1
A
μ
A or B ports
VCC = 2.1 V to 5.5 V,
VI = VCC or GND
VI = 0.8 V
VI = 2 V
±
20
±
100
±
20
II(h ld)
II(hold)
VCC= 4 5 V
VCC = 4.5 V
100
100
100
μ
A
–100
–100
–100
IOZPU
VCC = 0 to 2.1 V,
VO = 0.5 V to 2.7 V, OE = X
VCC = 2.1 V to 0,
VO = 0.5 V to 2.7 V, OE = X
VCC = 0,
VCC = 5.5 V,
VO = 5.5 V
VCC = 5.5 V,
±
50**
±
50**
±
50
μ
A
IOZPD
±
50**
±
50**
±
50
μ
A
Ioff
VI or VO
4.5 V
±
100
±
100
μ
A
ICEX
Outputs high
50
50
50
μ
A
IO
VO = 2.5 V
Outputs high
–50
–140
–180
–50
–180
–50
–180
mA
μ
A
mA
μ
A
VCC= 5.5 V,
VCC = 5.5 V,
IO = 0,
VI = VCC or GND
5
250
250
250
ICC
A or B ports
Outputs low
22
30
30
30
Outputs disabled
1
250
250
250
Data inp ts
Data inputs
VCC = 5.5 V,
One input at 3.4 V,
Other inputs at
VCC or GND
VCC = 5.5 V, One input at 3.4 V,
Other inputs at VCC or GND
Outputs enabled
1.5
1.5
1.5
mA
ICC§
,
Outputs disabled
1.5
1.5
1.5
mA
Control
inputs
1.5
1.5
1.5
mA
Ci
Control
inputs
VI = 2.5 V or 0.5 V
4
pF
Cio
A or B ports
VO = 2.5 V or 0.5 V
8
pF
* On products compliant to MIL-PRF-38535, this parameter does not apply.
** On products compliant to MIL-PRF-38535, this parameter is not production tested.
All typical values are at VCC = 5 V.
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.
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