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參數(shù)資料
| 型號(hào)： | SNJ54BCT8245AJT |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 總線收發(fā)器 |
| 英文描述： | BCT/FBT SERIES, 8-BIT BOUNDARY SCAN TRANSCEIVER, TRUE OUTPUT, CDIP24 |
| 封裝： | CERAMIC, DIP-24 |
| 文件頁(yè)數(shù)： | 9/30頁(yè) |
| 文件大?。?/td> | 630K |
| 代理商： | SNJ54BCT8245AJT |
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SN54BCT8245A, SN74BCT8245A
SCAN TEST DEVICES
WITH OCTAL BUS TRANSCEIVERS
SCBS043E MAY 1990 REVISED JULY 1996
17
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
POST OFFICE BOX 1443
HOUSTON, TEXAS 772511443
electrical characteristics over recommended operating free-air temperature range (unless
otherwise noted)
PARAMETER
TEST CONDITIONS
SN54BCT8245A
SN74BCT8245A
UNIT
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
MIN
TYP
MAX
UNIT
VIK
VCC = 4.5 V,
II = 18 mA
1.2
V
VCC = 4.75 V,
IOH = 1 mA
2.7
3.4
2.7
3.4
Any A, TDO
V
45V
IOH = 1 mA
2.5
3.4
2.5
3.4
Any A, TDO
VCC = 4.5 V
IOH = 3 mA
2.4
3.3
2.4
3.3
VOH
VCC = 4.75 V,
IOH = 3 mA
2.7
3.4
2.7
3.4
V
VOH
Any B
IOH = 3 mA
2.4
3.4
2.4
3.4
V
Any B
VCC = 4.5 V
IOH = 12 mA
2
3.2
IOH = 15 mA
2
3.1
Any A TDO
V
45V
IOL = 20 mA
0.3
0.5
V
Any A, TDO
VCC = 4.5 V
IOL = 24 mA
0.35
0.5
V
VOL
Any B
V
45V
IOL = 48 mA
0.38
0.55
V
Any B
VCC = 4.5 V
IOL = 64 mA
0.42
0.55
I
Except A or B
V
55V
V
55V
0.1
mA
II
Any A or B
VCC = 5.5 V,
VI = 5.5 V
0.25
mA
IIH
VCC = 5.5 V,
VI = 2.7 V
1
35
100
1
35
100
μA
IIHH
TMS
VCC = 5.5 V,
VI = 10 V
1
mA
IIL
VCC = 5.5 V,
VI = 0.5 V
30
70
200
30
70
200
μA
IOZH
TDO
VCC = 5.5 V,
VO = 2.7 V
1
35
100
1
35
100
μA
IOZL
TDO
VCC = 5.5 V,
VO = 0.5 V
30
70
200
30
70
200
μA
IOZPU
VCC = 0 to 2 V,
VO = 0.5 V or 2.7 V
±250
μA
IOZPD
VCC = 2 V to 0,
VO = 0.5 V or 2.7 V
±250
μA
Ioff
VCC = 0,
VI or VO ≤ 4.5 V
±250
μA
IOS§
VCC = 5.5 V,
VO = 0
100
225
100
225
mA
V
55V
Outputs high
3.6
7.5
3.6
7.5
ICC
VCC = 5.5 V,
Outputs open
Outputs low
35
52
35
52
mA
ICC
Outputs open
Outputs disabled
1.5
3.5
1.5
3.5
mA
Ci
VCC = 5 V,
VI = 2.5 V or 0.5 V
8
pF
Cio
VCC = 5 V,
VO = 2.5 V or 0.5 V
14
pF
All typical values are at VCC = 5 V, TA = 25°C.
For I/O ports, the parameters IIH and IIL include the off-state output current.
§ Not more than one output should be shorted at a time, and the duration of the short circuit should not exceed one second.
ICCH and ICCL are measured in the A-data to B-bus operational mode.
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