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參數(shù)資料
| 型號(hào)： | SN54ABT543AJT |
| 廠商： | Texas Instruments, Inc. |
| 元件分類： | 通用總線功能 |
| 英文描述： | OCTAL REGISTERED TRANSCEIVERS WITH 3-STATE OUTPUTS |
| 中文描述： | 八路收發(fā)登記，3態(tài)輸出 |
| 文件頁(yè)數(shù)： | 4/18頁(yè) |
| 文件大?。?/td> | 435K |
| 代理商： | SN54ABT543AJT |
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SN54ABT543A, SN74ABT543A
OCTAL REGISTERED TRANSCEIVERS
WITH 3-STATE OUTPUTS
SCBS157F – JANUARY 1991 – REVISED MAY 1997
4
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
recommended operating conditions (see Note 3)
SN54ABT543A
MIN
SN74ABT543A
MIN
UNIT
MAX
MAX
VCC
VIH
VIL
VI
IOH
IOL
t/
v
TA
NOTE 3: Unused pins (input or I/O) must be held high or low to prevent them from floating.
Supply voltage
4.5
5.5
4.5
5.5
V
High-level input voltage
2
2
V
Low-level input voltage
0.8
0.8
V
Input voltage
0
VCC
–24
0
VCC
–32
V
High-level output current
mA
Low-level output current
48
64
mA
Input transition rise or fall rate
Outputs enabled
5
5
ns/V
°
C
Operating free-air temperature
–55
125
–40
85
electrical characteristics over recommended operating free-air temperature range (unless
otherwise noted)
PARAMETER
TEST CONDITIONS
TA = 25
°
C
TYP
SN54ABT543A
MIN
SN74ABT543A
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= 5 5 V
VCC = 5.5 V,
VI= VCCor GND
VI = VCC or GND
±
1
±
1
±
1
μ
A
A or B ports
±
100
10§
–10§
±
100
±
100
10§
–10§
±
100
10§
–10§
±
100
IOZH
IOZL
Ioff
VCC = 5.5 V,
VCC = 5.5 V,
VCC = 0,
VCC = 5.5 V,
VO = 5.5 V
VCC = 5.5 V,
VO = 2.7 V
VO = 0.5 V
VI or VO
≤
4.5 V
μ
A
μ
A
μ
A
ICEX
Outputs high
50
50
50
μ
A
IO
VO = 2.5 V
Outputs high
–50*
–100
–180*
–50
–200
–50
–180
mA
μ
A
mA
μ
A
VCC= 5.5 V,
VCC = 5.5 V,
IO = 0,
VI = VCC or GND
1
250*
350
250
ICC
A or B ports
Outputs low
24
30*
34
30
Outputs disabled
0.5
250*
350
250
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
1.5
1.5
1.5
mA
Ci
Cio
Control inputs
4
pF
A or B ports
7
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 data sheet limit may vary among suppliers.
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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