SN74LVC543 Datasheet, PDF (4/6 Pages) Texas Instruments – OCTAL REGISTERED TRANSCEIVER WITH 3-STATE OUTPUTS

SN74LVC543
OCTAL REGISTERED TRANSCEIVER
WITH 3-STATE OUTPUTS
SCAS299A – JANUARY 1993 – REVISED JULY 1995
electrical characteristics over recommended operating free-air temperature range (unless
otherwise noted)
PARAMETER
VOH
IOH = – 100 µA
IOH = – 12 mA
TEST CONDITIONS
VCC†
MIN to MAX
2.7 V
3V
MIN TYP‡
VCC – 0.2
2.2
2.4
MAX
UNIT
V
IOH = – 24 mA
3V
2.2
IOL = 100 µA
MIN to MAX
VOL
IOL = 12 mA
2.7 V
IOL = 24 mA
3V
II
VI = 5.5 V or GND
3.6 V
IOZ§
VO = VCC or GND
3.6 V
ICC
nICC
VI = VCC or GND,
One input at VCC – 0.6 V,
IO = 0
Other inputs at VCC or GND
3.6 V
3 V to 3.6 V
Ci
Control inputs VI = VCC or GND
3.3 V
Cio
A or B ports VO = VCC or GND
3.3 V
† _{For conditions shown as MIN or MAX, use the appropriate values under recommended operating conditions.}
‡ _{All typical values are at VCC = 3.3 V, TA = 25°C.}
§ _{For I/O ports, the parameter IOZ includes the input leakage current.}
0.2
0.4 V
0.55
± 5 µA
± 10 µA
20 µA
500 µA
4.6
pF
7.2
pF
timing requirements over recommended operating free-air temperature range (unless otherwise
noted)
tw
Pulse duration
tsu Setup time, data before LE↑ or CE↑
th
Hold time, data after LE↑ or CE↑
VCC = 3.3 V
± 0.3 V
MIN MAX
4
1.5
2.5
VCC = 2.7 V
MIN MAX
4
1.5
2.5
UNIT
ns
ns
ns
switching characteristics over recommended operating free-air temperature range, C_L = 50 pF
(unless otherwise noted) (see Figure 1)
PARAMETER
tpd
ten
tdis
FROM
(INPUT)
A or B
LE
OE
CE
OE
CE
TO
(OUTPUT)
B or A
A or B
A or B
VCC = 3.3 V
± 0.3 V
MIN MAX
1.5
8
1.5 9.5
1.5 8.5
1.5
9
1.5 8.5
1.5
9
VCC = 2.7 V
MIN MAX
9
10.5
9.5
10
9.5
10
UNIT
ns
ns
ns
4
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