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SN74F543DB Datasheet(PDF) 4 Page - Texas Instruments

No. de pieza SN74F543DB
Descripción Electrónicos  OCTAL REGISTERED TRANSCEIVER WITH 3-STATE OUTPUTS
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SN74F543DB Datasheet(HTML) 4 Page - Texas Instruments

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SN74F543
OCTAL REGISTERED TRANSCEIVER
WITH 3-STATE OUTPUTS
SDFS025B – D2942, MARCH 1987 – REVISED OCTOBER 1993
2–4
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
electrical characteristics over recommended operating free-air temperature range (unless
otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP†
MAX
UNIT
VIK
VCC = 4.5 V,
II = – 18 mA
– 1.2
V
A1 A8
IOH = – 1 mA
2.5
3.4
A1 – A8
VCC =4 5V
IOH = – 3 mA
2.4
3.3
VOH
B1 B8
VCC = 4.5 V
IOH = – 3 mA
2.4
3.3
V
B1 – B8
IOH = – 15 mA
2
3.1
Any output
VCC = 4.75 V,
IOH = – 1 mA to – 3 mA
2.7
VOL
A1 – A8
VCC =4 5V
IOL = 24 mA
0.3
0.5
V
VOL
B1 – B8
VCC = 4.5 V
IOL = 64 mA
0.42
0.55
V
II
OE, LE, and CE
VCC =5 5V
VI = 7 V
0.1
mA
II
A and B ports
VCC = 5.5 V
VI = 5.5 V
1
mA
I
OE, LE, and CE
VCC =5 5V
VI =2 7V
20
µA
IIH‡
A and B ports
VCC = 5.5 V,
VI = 2.7 V
70
µA
I ‡
OE, LE, and CE
VCC =5 5V
VI =0 5V
– 1.2
mA
IIL‡
A and B ports
VCC = 5.5 V,
VI = 0.5 V
– 0.65
mA
I
§
A1 – A8
VCC =5 5V
VO =0
–60
– 150
mA
IOS§
B1 – B8
VCC = 5.5 V,
VO = 0
– 100
– 225
mA
ICCH
VCC = 5.5 V
67
100
mA
ICCL
VCC = 5.5 V
83
125
mA
ICCZ
VCC = 5.5 V
83
125
mA
† 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.
timing requirements
VCC = 5 V,
TA = 25°C
VCC = 4.5 V to 5.5 V,
TA = MIN to MAX¶
UNIT
MIN
MAX
MIN
MAX
tw
Pulse duration
5
5
ns
tsu
Setup time, data before latch enable
High or low
3
3.5
ns
th
Hold time, data after latch enable
High or low
3
3.5
ns
¶ For conditions shown as MIN or MAX, use the appropriate value specified under recommended operating conditions.


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