74ALVT16501_4 © Koninklijke Philips Electronics N.V. 2005. All rights reserved.
Product data sheet Rev. 04 — 8 August 2005 15 of 20
Philips Semiconductors
74ALVT16501
18-bit universal bus transceiver; 3-state
Table 9: Measurement points
Supply voltage Input Output
V
M
V
M
V
X
V
Y
≥ 3.0 V 1.5 V 1.5 V V
OL
+ 0.30 V V
OH
− 0.30 V
≤ 2.7 V 0.5 × V
CC
0.5 × V
CC
V
OL
+ 0.15 V V
OH
− 0.15 V
Measurement points are given in Table 9.
a. Input pulse definition
Test data is given in Table 10.
Definitions test circuit:
R
L
= Load resistor.
C
L
= Load capacitance including jig and probe capacitance.
R
T
= Termination resistance should be equal to output impedance Z
o
of the pulse generator.
V
EXT
= Test voltage for switching times.
b. Test circuit
Fig 11. Load circuitry for switching times
Table 10: Test data
Input Load V
EXT
V
I
f
i
t
W
t
r
, t
f
C
L
R
L
t
PLZ
, t
PZL
t
PLH
, t
PHL
t
PHZ
, t
PZH
3.0 V or V
CC
whichever is
less
≤ 10 MHz 500 ns ≤ 2.5 ns 30 pFor
50 pF
500 Ω 6Vor2×
V
CC
open GND
001aac221
V
M
V
M
t
W
t
W
10 %
90 % 90 %
0 V
V
I
V
I
negative
pulse
positive
pulse
0 V
V
M
V
M
90 %
10 % 10 %
t
THL
(t
f
)
t
TLH
(t
r
)
t
TLH
(t
r
)
t
THL
(t
f
)
V
EXT
V
CC
V
I
V
O
mna616
DUT
C
L
R
T
R
L
R
L
PULSE
GENERATOR