74ALVT16823_4 © Koninklijke Philips Electronics N.V. 2005. All rights reserved.
Product data sheet Rev. 04 — 2 August 2005 12 of 20
Philips Semiconductors
74ALVT16823
18-bit bus-interface D-type flip-flop with reset and enable; 3-state
[1] All typical values are measured at V
CC
= 2.5 V and T
amb
= 25 °C.
[2] All typical values are measured at V
CC
= 3.3 V and T
amb
= 25 °C.
12. Waveforms
t
PHZ
output disable time from HIGH-level see Figure 8 2.2 3.1 4.0 ns
t
PLZ
output disable time from LOW-level see Figure 9 1.8 2.6 3.5 ns
t
su(H)
set-up time HIGH
nDx to nCP see
Figure 6 1.0 0.5 - ns
n
CE to nCP see Figure 6 1.0 0.1 - ns
t
su(L)
set-up time LOW
nDx to nCP see
Figure 6 1.6 1.1 - ns
n
CE to nCP see Figure 6 +0.5 −0.5 - ns
t
h(H)
hold time HIGH
nDx to nCP see
Figure 6 +0.1 −0.7 - ns
n
CE to nCP see Figure 6 1.0 0.5 - ns
t
h(L)
hold time LOW
nDx to nCP see
Figure 6 +0.1 −0.5 - ns
n
CE to nCP see Figure 6 +1.0 −0.1 - ns
t
WH
pulse width HIGH nCP see Figure 5 1.5 0.7 - ns
t
WL
pulse width LOW
nCP see
Figure 5 2.5 1.4 - ns
n
MR see Figure 7 2.0 1.5 - ns
t
rec
recovery time nMR to nCP see Figure 7 2.0 1.1 - ns
Table 8: Dynamic characteristics
…continued
Voltages are referenced to GND (ground = 0 V); for test circuit see Figure 10;
T
amb
=
−
40
°
C to +85
°
C.
Symbol Parameter Conditions Min Typ Max Unit
Measurement points are given in Table 9.
V
OH
is a typical voltage output drop that occur with the output load.
Fig 5. Propagation delay, clock input to output, clock pulse width and maximum clock
frequency
V
M
V
M
V
M
t
PLH
t
PHL
t
WH
t
WL
1/f
max
V
M
input nCP
output nQx
0 V
V
I
0 V
V
OH
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