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GTL1655DGG Datasheet, PDF (14/23 Pages) NXP Semiconductors – 16-bit LVTTL-to-GTL/GTL+ bus transceiver with live insertion
Philips Semiconductors
GTL1655
16-bit LVTTL-to-GTL/GTL+ bus transceiver with live insertion
Table 15: Timing requirements over recommended supply voltage
VTT = 1.5 V; VREF = 1 V and VERC = VCC or GND for GTL+ (unless otherwise noted).
Tamb = −40 °C to +85 °C.
Symbol Parameter
Conditions
Min
Typ
Max Unit
tW
pulse duration
CP HIGH or LOW; see Figures 4 and 5
3.0
-
-
ns
LE HIGH; see Figures 6 and 7
3.0
-
-
ns
tsu
set-up time
data before CP↑; see Figures 4 and 5
data before LE↓; see Figures 6 and 7
2.7
-
-
ns
2.8
-
-
ns
th
hold time
data after CP↑; see Figures 4 and 5
data after LE↓; see Figures 6 and 7
0.4
-
-
ns
1.2
-
-
ns
Table 16: Port A to Port B switching
VTT = 1.5 V; VREF = 1 V and VERC = VCC or GND for GTL+ (see Figures 15 and 16).
Tamb = −40 °C to +85 °C.
Symbol Parameter
Conditions
Min
Typ
Max Unit
tPLH
tPHL
A to B
OEAB = OE = 0 V;
LEAB = 3 V
VERC = VCC;
see Figure 10
3.0
4.7
6.1
ns
2.3
4.4
6.5
ns
tPLH
CP to B
tPHL
OEAB = OE = 0 V;
LEAB = 0 V
VERC = VCC;
see Figure 4
3.3
5.3
7.0
ns
2.7
4.7
6.2
ns
tPLH
LEAB to B
tPHL
OEAB = OE = 0 V;
CP = 0 or 3 V
VERC = VCC;
see Figure 8
3.2
5.2
6.8
ns
2.8
5.2
7.1
ns
tPLH
OEAB or OE to B LEAB = 3.0 V;
tPHL
Port A = 0 V
VERC = VCC;
see Figure 12
3.2
4.8
6.5
ns
2.6
4.6
6.6
ns
tPLH
tPHL
A to B
OEAB = OE = 0 V;
LEAB = 3 V
VERC = GND;
see Figure 10
2.3
3.9
5.2
ns
1.7
3.1
4.5
ns
tPLH
CP to B
tPHL
OEAB = OE = 0 V;
LEAB = 0 V
VERC = GND;
see Figure 4
2.5
4.8
6.0
ns
1.9
4.1
5.4
ns
tPLH
LEAB to B
tPHL
OEAB = OE = 0 V;
CP = 0 or 3 V
VERC = GND;
see Figure 8
2.5
4.3
6.5
ns
2.1
4.0
5.4
ns
tPLH
tPHL
∆V/∆t
OEAB or OE to B
output slew rate
LEAB = 3.0 V;
Port A = 0 V
0.6 V to 1.3 V
VERC = GND;
see Figure 12
VERC = VCC
2.1
4.4
6.1
ns
2.0
3.4
5.0
ns
-
-
1
V/ns
tsk(o)
output edge skew measured at VREF
VERC = GND
-
-
1
V/ns
-
-
1
ns
9397 750 12936
Product data
Rev. 01 — 11 May 2004
© Koninklijke Philips Electronics N.V. 2004. All rights reserved.
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