Philips Semiconductors
Product specification
Quad GTL/GTL+ to LVTTL/TTL
bidirectional non-latched translator
GTL2005
AC WAVEFORMS
V
M
= 1.5 V at V
CC
w
3.0 V, V
M
= V
CC
/2 at V
CC
v
2.7 V for B ports and control pins
V
M
= V
Ref
for A ports
t
PLH
3.0V
V
M
V
V
M
V
0V
VOLTAGE WAVEFORMS PULSE DURATION
V
M
= 1.5V for B port and 0.8V for A port
Output
3.0V
Input
V
OL
1.5V
1.5V
0V
t
PLH
t
PHL
V
OH
Output
V
REF
V
REF
V
OL
VOLTAGE WAVEFORMS PROPAGATION DELAY TIMES
B port to A port
PRR
≤
10MHz, Z
O
= 50Ω, t
r
≤
2.5ns, t
f
≤
2.5ns.
1.5V
1.5V
t
PLH
t
PHL
V
OH
Input
V
REF
V
REF
0V
3.0
SW00469
Waveform 2.
SW00470
Waveform 1.
TEST CIRCUIT
V
CC
V
CC
V
O
D.U.T.
50pF
V
TT
V
I
PULSE
GENERATOR
R
T
25Ω
V
I
R
L
= 500Ω
PULSE
GENERATOR
R
T
D.U.T.
C
L
30pF
V
O
C
L
Test Circuit for switching times
DEFINITIONS
R
L
= Load resistor
C
L
= Load capacitance includes jig and probe capacitance
R
T
= Termination resistance should be equal to Z
OUT
of pulse generators.
SW00332
Figure 2. Load circuit for A outputs
SW00471
Figure 1. Load circuitry for switching times
1999 Sep 17
5
PHILIPS [ NXP SEMICONDUCTORS ]
