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參數(shù)資料
| 型號(hào)： | SNJ54ABT2245J |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 總線收發(fā)器 |
| 英文描述： | ABT SERIES, 8-BIT TRANSCEIVER, TRUE OUTPUT, CDIP20 |
| 封裝： | CERAMIC, DIP-20 |
| 文件頁(yè)數(shù)： | 17/21頁(yè) |
| 文件大小： | 777K |
| 代理商： | SNJ54ABT2245J |
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SN54ABT2245, SN74ABT2245
OCTAL TRANSCEIVERS AND LINE/MOS DRIVERS
WITH 3-STATE OUTPUTS
SCBS234D – SEPTEMBER 1992 – REVISED MAY 1997
5
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
SN54ABT2245
SN74ABT2245
UNIT
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
MIN
MAX
MIN
MAX
UNIT
VIK
VCC = 4.5 V,
II = –18 mA
–1.2
V
VCC = 4.5 V,
IOH = –1 mA
3.35
3.3
3.35
B port
VCC = 5 V,
IOH = –1 mA
3.85
3.8
3.85
B port
VCC =4 5V
IOH = –3 mA
3
3.1
VOH
VCC = 4.5 V
IOH = –12 mA
2.6
V
VOH
VCC = 4.5 V,
IOH = –3 mA
2.5
V
A port
VCC = 5 V,
IOH = –3 mA
3
A port
VCC =4 5V
IOH = –24 mA
2
VCC = 4.5 V
IOH = –32 mA
2*
2
B port
IOL = 8 mA
0.65
0.8
0.65
VOL
B port
VCC =4 5V
IOL = 12 mA
0.8
V
VOL
A port
VCC = 4.5 V
IOL = 48 mA
0.55
V
A port
IOL = 64 mA
0.55*
0.55
Vhys
100
mV
Control inputs
VCC = 0 to 5.5 V, VI = VCC or GND
±1
II
A or B ports
VCC = 2.1 V to 5.5 V,
VI = VCC or GND
±20
A
IOZH
VCC = 2.1 V to 5.5 V,
VO = 2.7 V, OE ≥ 2 V
10
A
IOZL
VCC = 2.1 V to 5.5 V,
VO = 0.5 V, OE ≥ 2 V
–10
A
IOZPU§
VCC = 0 to 2.1 V,
VO = 0.5 V to 2.7 V, OE = X
±50
A
IOZPD§
VCC = 2.1 V to 0,
VO = 0.5 V to 2.7 V, OE = X
±50
A
Ioff
VCC = 0,
VI or VO ≤ 4.5 V
±100
A
ICEX
Outputs high
VCC = 5.5 V,
VO = 5.5 V
50
A
I
B port
VCC =5 5V
VO =2 5V
–25
–100
–25
–100
–25
–100
mA
IO
A port
VCC = 5.5 V,
VO = 2.5 V
–50
–100
–180
–50
–180
–50
–180
mA
VCC = 5.5 V,
Outputs high
1
250
A
ICC
A or B ports
VCC = 5.5 V,
IO = 0,
Outputs low
24
32
mA
VI = VCC or GND
Outputs disabled
0.5
250
A
Data inputs
VCC = 5.5 V,
One input at 3.4 V,
Outputs enabled
1.5
ICC#
Data inputs
,
Other inputs at
VCC or GND
Outputs disabled
0.05
mA
Control inputs
VCC = 5.5 V, One input at 3.4 V,
Other inputs at VCC or GND
1.5
Ci
VI = 2.5 V or 0.5 V
3
pF
Cio
VO = 2.5 V or 0.5 V
6
pF
* On products compliant to MIL-PRF-38535, this parameter does not apply.
All typical values are at VCC = 5 V.
The parameters IOZH and IOZL include the input leakage current.
§ This parameter is characterized but not production tested.
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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