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SN74ABT543ADWE4 Datasheet(数据表) 4 Page - Texas Instruments

部件型号  SN74ABT543ADWE4
说明  OCTAL REGISTERED TRANSCEIVERS WITH 3-STATE OUTPUTS
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制造商  TI [Texas Instruments]
网页  http://www.ti.com
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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
SN74ABT543A
UNIT
MIN
MAX
MIN
MAX
UNIT
VCC
Supply voltage
4.5
5.5
4.5
5.5
V
VIH
High-level input voltage
2
2
V
VIL
Low-level input voltage
0.8
0.8
V
VI
Input voltage
0
VCC
0
VCC
V
IOH
High-level output current
–24
–32
mA
IOL
Low-level output current
48
64
mA
∆t/∆v
Input transition rise or fall rate
Outputs enabled
5
5
ns/V
TA
Operating free-air temperature
–55
125
–40
85
°C
NOTE 3: Unused pins (input or I/O) must be held high or low to prevent them from floating.
electrical characteristics over recommended operating free-air temperature range (unless
otherwise noted)
PARAMETER
TEST CONDITIONS
TA = 25°C
SN54ABT543A
SN74ABT543A
UNIT
PARAMETER
TEST CONDITIONS
MIN
TYP†
MAX
MIN
MAX
MIN
MAX
UNIT
VIK
VCC = 4.5 V,
II = –18 mA
–1.2
–1.2
–1.2
V
VCC = 4.5 V,
IOH = –3 mA
2.5
2.5
2.5
VOH
VCC = 5 V,
IOH = –3 mA
3
3
3
V
VOH
VCC =4 5V
IOH = –24 mA
2
2
V
VCC = 4.5 V
IOH = –32 mA
2*
2
VOL
VCC =4 5V
IOL = 48 mA
0.55
0.55
V
VOL
VCC = 4.5 V
IOL = 64 mA
0.55*
0.55
V
Vhys
100
mV
II
Control inputs
VCC =5 5V
VI =VCC or GND
±1
±1
±1
µA
II
A or B ports
VCC = 5.5 V,
VI = VCC or GND
±100
±100
±100
µA
IOZH‡
VCC = 5.5 V,
VO = 2.7 V
10§
10§
10§
µA
IOZL‡
VCC = 5.5 V,
VO = 0.5 V
–10§
–10§
–10§
µA
Ioff
VCC = 0,
VI or VO ≤ 4.5 V
±100
±100
µA
ICEX
VCC = 5.5 V,
VO = 5.5 V
Outputs high
50
50
50
µA
IO¶
VCC = 5.5 V,
VO = 2.5 V
–50*
–100
–180*
–50
–200
–50
–180
mA
VCC = 5.5 V,
Outputs high
1
250*
350
250
µA
ICC
A or B ports
VCC = 5.5 V,
IO = 0,
Outputs low
24
30*
34
30
mA
VI = VCC or GND
Outputs disabled
0.5
250*
350
250
µA
∆ICC#
VCC = 5.5 V, One input at 3.4 V,
Other inputs at VCC or GND
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
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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