74LVT543 データシートの表示（PDF） - Philips Electronics
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74LVT543 Datasheet PDF : 12 Pages
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Philips Semiconductors
3.3V Octal latched transceiver with dual enable
(3-State)
Product specification
74LVT543
AC CHARACTERISTICS
GND = 0V, tR = tF = 2.5ns, CL = 50pF, RL = 500Ω; Tamb = –40°C to +85°C.
SYMBOL
PARAMETER
WAVEFORM
tPLH
Propagation delay
tPHL
An to Bn, Bn to An
2
tPLH
Propagation delay
1
tPHL
LEBA to An, LEAB to Bn
2
tPZH
Output enable time
4
tPZL
OEBA to An, OEAB to Bn
5
tPHZ
Output disable time
4
tPLZ
OEBA to An, OEAB to Bn
5
tPZH
Output enable time
4
tPZL
EBA to An, EAB to Bn
5
tPHZ
Output disable time
4
tPLZ
EBA to An, EAB to Bn
5
NOTE:
1. All typical values are at VCC = 3.3V and Tamb = 25°C.
LIMITS
VCC = 3.3V ±0.3V
MIN
TYP1
MAX
1.0
2.3
4.7
1.0
3.0
4.6
1.0
3.6
5.9
1.0
4.2
5.7
1.0
3.8
5.8
1.1
3.8
6.4
2.4
3.7
6.5
2.0
3.5
5.8
1.0
4.0
6.0
1.4
4.1
6.7
2.3
3.7
6.4
2.0
3.5
5.4
VCC = 2.7V
MAX
5.5
5.8
7.3
7.3
7.6
8.2
7.1
5.9
7.6
8.3
7.1
5.6
UNIT
ns
ns
ns
ns
ns
ns
AC SETUP REQUIREMENTS
GND = 0V, tR = tF = 2.5ns, CL = 50pF, RL = 500Ω; Tamb = –40°C to +85°C.
SYMBOL
PARAMETER
WAVEFORM
ts(H)
ts(L)
Setup time
An to LEAB, Bn to LEBA
3
th(H)
th(L)
Hold time
An to LEAB, Bn to LEBA
3
ts(H)
ts(L)
Setup time
An to EAB, Bn to EBA
3
th(H)
th(L)
Hold time
An to EAB, Bn to EBA
3
tw(L)
Latch enable pulse width, Low
3
AC WAVEFORMS
VM = 1.5V, VIN = GND to 2.7V
LIMITS
VCC = 3.3V ±0.3V
MIN
MAX
0
0.8
1.7
1.7
0
0.9
1.8
1.8
3.3
VCC = 2.7V
MIN
0
1.1
1.7
1.7
0
1.2
1.8
1.8
3.3
UNIT
ns
ns
ns
ns
ns
VIN
VOUT
1.5V
1.5V
tPHL
1.5V
2.7V
tPLH
1.5V
0V
VOH
VOL
SV00030
Waveform 1. Propagation Delay For Inverting Output
VIN
VOUT
1.5V
1.5V
tPLH
1.5V
tPHL
1.5V
2.7V
0V
VOH
VOL
SV00113
Waveform 2. Propagation Delay For Non-Inverting Output
1998 Feb 19
6
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