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74ACT11543DWR Datasheet(Hoja de datos) 3 Page - Texas Instruments

No. de Pieza. 74ACT11543DWR
Descripción  OCTAL REGISTERED TRANSCEIVER WITH 3-STATE OUTPUTS
Descarga  7 Pages
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Fabricante  TI [Texas Instruments]
Página de inicio  http://www.ti.com
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74ACT11543
OCTAL REGISTERED TRANSCEIVER
WITH 3-STATE OUTPUTS
SCAS136 – D3608, JULY 1990 – REVISED APRIL 1993
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
2–3
electrical characteristics over recommended operating free-air temperature range
PARAMETER
TEST CONDITIONS
VCC
TA = 25°C
MIN
MAX
UNIT
PARAMETER
TEST CONDITIONS
VCC
MIN
TYP
MAX
MIN
MAX
UNIT
IOH =50 mA
4.5 V
4.4
4.4
IOH = – 50 mA
5.5 V
5.4
5.4
VOH
IOH =24 mA
4.5 V
3.94
3.8
V
IOH = – 24 mA
5.5 V
4.94
4.8
IOH = – 75 mA†
5.5 V
3.85
IOL =50 mA
4.5 V
0.1
0.1
IOL = 50 mA
5.5 V
0.1
0.1
VOL
IOL =24mA
4.5 V
0.36
0.44
V
IOL = 24 mA
5.5 V
0.36
0.44
IOL = 75 mA†
5.5 V
1.65
II
Control inputs
VI = VCC or GND
5.5 V
± 0.1
± 1
mA
IOZ
A or B ports‡
VO = VCC or GND
5.5 V
± 0.5
± 5
mA
ICC
VI = VCC or GND, IO = 0
5.5 V
8
80
mA
DICC§
One input at 3.4 V, Other inputs at GND or VCC
5.5 V
0.9
1
mA
Ci
Control inputs
VI = VCC or GND
5 V
4.5
pF
Cio
A or B ports
VO = VCC or GND
5 V
12
pF
† Not more than one output should be tested at a time, and the duration of the test should not exceed 10 ms.
‡ For I/O ports, the parameter IOZ includes the input leakage current.
§ This is the increase in supply current for each input that is at one of the specified TTL voltage levels rather than 0 V or VCC.
timing requirements over recommended ranges of supply voltage and operating free-air
temperature (unless otherwise noted) (see Figure 1)
TA = 25°C
MIN
MAX
UNIT
MIN
MAX
MIN
MAX
UNIT
tw
Pulse duration, LEAB or LEBA low
4
4
ns
t
Setup time
Data after LEAB or LEBA
2.5
2.5
ns
tsu
Setup time
Data before CEAB or CEBA
3
3
ns
th
Hold time
Data after LEAB or LEBA
2
2
ns
th
Hold time
Data after CEAB or CEBA
1.5
1.5
ns




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