Philips Semiconductors
2.5V/3.3V 18-bit bus-interface D-type flip-flop with reset
and enable with 30Ω termination resistors (3-State)
Product specification
74ALVT162823
AC CHARACTERISTICS (3.3V "0.3V RANGE)
GND = 0V, tR = tF = 2.5ns, CL = 50pF, RL = 500Ω
SYMBOL
PARAMETER
WAVEFORM
fMAX
Maximum clock frequency
1
tPLH
Propagation delay
tPHL
nCP to nQx
1
tPHL
Propagation delay
nMR to nQx
2
tPZH
Output enable time
4
tPZL
to High and Low level
5
tPHZ
Output disable time
4
tPLZ
from High and Low level
5
AC SETUP REQUIREMENTS (3.3V "0.3V RANGE)
GND = 0V, tR = tF = 2.5ns, CL = 50pF, RL = 500Ω
SYMBOL
PARAMETER
WAVEFORM
ts(H)
ts(L)
Setup time, High or Low
nDx to nCP
3
th(H)
th(L)
Hold time, High or Low
nDx to nCP
3
tw(H)
tw(L)
nCP pulse width
High or Low
1
ts(H)
ts(L)
Setup time, High or Low
nCE to nCP
3
th(H)
th(L)
Hold time, High or Low
nCE to nCP
3
tw(L)
nMR pulse width, Low
2
trec
Recovery time
nMR to nCP
2
LIMITS
Tamb = –40°C
to +85°C
VCC = +3.3V ±0.3V
MIN
TYP
MAX
1.8
3.0
4.7
1.8
2.8
4.0
1.8
2.8
4.0
1.9
3.5
5.7
1.6
2.6
3.8
1.9
3.4
5.2
1.5
2.5
3.8
LIMITS
Tamb = -40 to +85oC
VCC = +3.3V ±0.3V
MIN
TYP
1.0
0.6
1.2
0.7
0.1
–0.8
0.1
–0.6
1.5
0.7
2.5
1.7
1.0
0.2
0.5
–0.5
1.0
0.5
1.0
–0.1
2.0
1.5
2.0
1.4
UNIT
MHz
ns
ns
ns
ns
UNIT
ns
ns
ns
ns
ns
ns
ns
1998 Aug 27
6