Philips Semiconductors Product specification
74LVT16373A3.3V 16-bit transparent D-type latch (3-State)
1998 Feb 19
6
AC CHARACTERISTICS
GND = 0V; t
R
= t
F
= 2.5ns; C
L
= 50pF; R
L
= 500Ω; T
amb
= –40°C to +85°C.
LIMITS
SYMBOL PARAMETER WAVEFORM V
CC
= 3.3V ±0.3V V
CC
= 2.7V UNIT
MIN TYP
1
MAX MAX
t
PLH
t
PHL
Propagation delay
nDx to nQx
2
0.5
0.5
1.8
1.9
3.9
3.9
4.5
4.5
ns
t
PLH
t
PHL
Propagation delay
nE to nQx
1
0.5
0.5
2.1
2.2
4.8
4.8
5.4
5.4
ns
t
PZH
t
PZL
Output enable time
to High and Low level
4
5
0.1
0.1
2.8
2.6
4.5
4.3
5.1
4.7
ns
t
PHZ
t
PLZ
Output disable time
from High and Low Level
4
5
0.1
0.1
3.3
3.0
4.5
4.3
5.1
4.7
ns
NOTE:
1. All typical values are at V
CC
= 3.3V and T
amb
= 25°C.
AC SETUP REQUIREMENTS
GND = 0V; t
R
= t
F
= 2.5ns; C
L
= 50pF; R
L
= 500Ω; T
amb
= –40°C to +85°C.
LIMITS
SYMBOL PARAMETER WAVEFORM
V
CC
= 3.3V ±0.3V V
CC
= 2.7V
UNIT
MIN TYP MIN
t
S
(H)
t
S
(L)
Setup time
nDx to nE
3
1.5
2.0
0.1
0.2
1.0
2.0
ns
t
h
(H)
t
h
(L)
Hold time
nDx to nE
3
1.0
1.5
0
0
1.0
2.0
ns
t
W
(H)
nE pulse width
High
1 1.5 0.5 1.5 ns
AC WAVEFORMS
For all waveforms, V
M
= 1.5V.
V
M
V
M
V
M
V
M
V
M
t
w
(H)
t
PHL
t
PLH
nE
nQx
SW00011
2.7V
0V
V
OH
V
OL
Waveform 1. Propagation Delay, Enable to
Output, and Enable Pulse Width
nDx
V
M
t
PLH
t
PHL
nQx
V
M
V
M
V
M
SW00012
2.7V
0V
V
OH
V
OL
Waveform 2. Propagation Delay for Data to Outputs
NOTE: The shaded areas indicate when the input is per-
mitted to change for predictable output performance.
V
M
nDx
V
M
V
M
V
M
V
M
nE
t
s
(H)
t
h
(H)
t
s
(L)
t
h
(L)
SW00013
V
M
2.7V
0V
2.7V
0V
Waveform 3. Data Setup and Hold Times
nOE
V
M
t
PZH
t
PHZ
0V
nQx
V
M
V
M
SW00014
2.7V
0V
V
OH
-0.3V
V
OH
Waveform 4. 3-State Output Enable time to High Level
and Output Disable Time from High Level
