74ALVT16652 查看數據表（PDF） - Philips Electronics
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74ALVT16652 Datasheet PDF : 14 Pages
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Philips Semiconductors
2.5V/3.3V 16-bit bus transceiver/register
(3-State)
Product specification
74ALVT16652
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
fMAX
Maximum clock frequency
1
tPLH
Propagation delay
tPHL
nCPAB to nBx or nCPBA to nAx
1
tPLH
Propagation delay
tPHL
nAx to nBx or nBx to nAx
2
tPLH
Propagation delay
tPHL
nSAB to nBx or nSBA to nAx
3
tPZH
Output enable time
5
tPZL
nOEBA to nAx
6
tPHZ
Output disable time
5
tPLZ
nOEBA to nAx
6
tPZH
Output enable time
5
tPZL
nOEAB to nBx
6
tPHZ
Output disable time
5
tPLZ
nOEAB to nBx
6
NOTE:
1. All typical values are at VCC = 3.3V and Tamb = 25°C.
LIMITS
VCC = 2.5V ± 0.2V
MIN
TYP1
MAX
150
200
1.0
3.0
4.9
1.0
2.7
4.2
0.5
2.0
3.2
0.5
2.1
3.5
1.5
3.4
5.2
1.5
3.2
5.8
1.5
3.2
4.7
0.5
2.0
3.2
1.5
3.2
4.8
1.8
2.3
3.5
1.5
3.3
4.9
1.0
2.5
3.6
2.0
3.9
5.9
1.0
2.3
6.0
AC SETUP REQUIREMENTS (2.5V "0.2V RANGE)
GND = 0V, tR = 2.5ns, tF = 2.5ns, CL = 50pF, RL = 500Ω, Tamb = –40 °C to +85 °C
SYMBOL
PARAMETER
WAVEFORM
ts(H)
ts(L)
Setup time 1
nAx to nCPAB, nBx to nCPBA
4
th(H)
th(L)
Hold time 1
nAx to nCPAB, nBx to nCPBA
4
tw(H)
tw(L)
Pulse width, High or Low
nCPAB or nCPBA
1
NOTE:
1. This data sheet limit may vary among suppliers.
LIMITS
VCC = 2.5V ±0.2V
MIN
TYP
1.8
0.9
2.0
1.0
0.0
–1.0
0.0
–1.0
1.5
1.5
UNIT
MHz
ns
ns
ns
ns
ns
ns
ns
UNIT
ns
ns
ns
AC WAVEFORMS
VM = 1.5V at VCC w 3.0V; VM = VCC/2 at VCC v 2.7V
VX = VOL + 0.3V at VCC w 3.0V; VX = VOL + 0.15V at VCC v 2.7V
VY = VOH – 0.3V at VCC w 3.0V; VY = VOH – 0.15V at VCC v 2.7V
nCPBA or
nCPAB
1/fMAX
VM
tw(H)
tPHL
VM
tw(L)
VM
tPLH
3.0V or VCC
whichever
is less
0V
VOH
nAx or nBx
VM
VM
VOL
SH00030
Waveform 1. Propagation Delay, Clock Input to Output, Clock
Pulse Width, and Maximum Clock Frequency
nAx or nBx
nBx or nAx
VM
tPLH
VM
VM
tPHL
VM
3.0V or VCC
0V
VOH
VOL
SH00048
Waveform 2. Propagation Delay, nAx to nBx or nBx to nAx
1998 Feb 13
10
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