74ALVT16543 Ver la hoja de datos (PDF) - Philips Electronics
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74ALVT16543 Datasheet PDF : 14 Pages
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Philips Semiconductors
2.5V/3.3V 16-bit registered transceiver (3-State)
Product specification
74ALVT16543
AC CHARACTERISTICS (2.5V "0.2V RANGE)
GND = 0V; tR = tF = 2.5ns; CL = 50pF; RL = 500Ω; Tamb = –40°C to +85°C.
SYMBOL
PARAMETER
WAVEFORM
tPLH
Propagation delay
tPHL
nAx to nBx or nBx to nAx
2
tPLH
Propagation delay
1
tPHL
nLEBA to nAx, nLEAB to nBx
2
tPZH
Output enable time
4
tPZL
nOEBA to nAx, nOEAB to nBx
5
tPHZ
Output disable time
4
tPLZ
nOEBA to nAx, nOEAB to nBx
5
tPZH
Output enable time
4
tPZL
nEBA to nAx, nEAB to nBx
5
tPHZ
Output disable time
4
tPLZ
nEBA to nAx, nEAB to nBx
5
NOTE:
1. All typical values are at VCC = 2.5V and Tamb = 25°C.
AC SETUP REQUIREMENTS (2.5V "0.2V RANGE)
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
nAx to nLEAB, nBx to nLEBA
3
th(H)
th(L)
Hold time
nAx to nLEAB, nBx to nLEBA
3
ts(H)
ts(L)
Setup time
nAx to nEAB, nBx to nEBA
3
th(H)
th(L)
Hold time
nAx to nEAB, nBx to nEBA
3
tW(L)
Latch enable pulse width, Low
3
LIMITS
VCC = 2.5V "0.2V
MIN
TYP1
MAX
1.0
1.8
5.1
1.0
2.7
4.5
1.5
3.9
6.4
1.5
3.6
5.9
1.5
4.0
6.5
1.5
2.7
4.6
1.5
3.7
5.6
1.5
2.6
4.0
1.5
4.2
7.0
1.5
2.8
5.0
1.5
3.6
5.6
1.5
2.4
3.9
LIMITS
VCC = 2.5V ±0.2V
MIN
TYP
0
–0.9
1.0
0.2
0.8
–0.2
1.7
1.0
0
–1.0
1.5
0.4
0.5
–0.2
2.0
1.3
1.5
UNIT
ns
ns
ns
ns
ns
ns
UNIT
ns
ns
ns
ns
ns
AC WAVEFORMS
For all waveforms VM = 1.5V or VCC / 2, whichever is less.
VIN
VOUT
VM
VM
tPHL
VM
tPLH
VM
3.0V or VCC
whichever
is less
0V
VOH
VOL
SW00185
Waveform 1. Propagation Delay For Inverting Output
VIN
VOUT
VM
VM
tPLH
VM
tPHL
VM
3.0V or VCC
whichever
is less
0V
VOH
VOL
SW00186
Waveform 2. Propagation Delay For Non-Inverting Output
1998 Feb 13
9
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