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GTL1655DGG Datasheet, PDF (12/23 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
10. Dynamic characteristics
Table 12: Timing requirements over recommended supply voltage
VTT = 1.2 V; VREF = 0.8 V and VERC = VCC or GND for GTL (unless otherwise noted; see Figures 15 and 16).
Tamb = −40 °C to +85 °C.
Symbol Parameter
Conditions
Min
Typ
Max
tW
pulse duration
CP HIGH or LOW; see Figures 4 and 5
LE HIGH; see Figures 6 and 7
3.0
-
-
3.0
-
-
tsu
set-up time
data before CP↑; see Figures 4 and 5
data before LE↓; see Figures 6 and 7
2.7
-
-
2.8
-
-
th
hold time
data after CP↑; see Figures 4 and 5
data after LE↓; see Figures 6 and 7
0.4
-
-
1.2
-
-
Table 13: Port A to Port B switching
VTT = 1.2 V; VREF = 0.8 V and VERC = VCC or GND for GTL (see Figure 16).
Tamb = −40 °C to +85 °C.
Symbol Parameter
Conditions
tPLH
tPHL
A to B
OEAB = OE = 0 V;
LEAB = 3 V
VERC = VCC;
see Figure 10
tPLH
CP to B
tPHL
OEAB = OE = 0 V;
LEAB = 0 V
VERC = VCC;
see Figure 4
tPLH
LEAB to B
tPHL
OEAB = OE = 0 V;
CP = 0 or 3 V
VERC = VCC;
see Figure 8
tPLH
OEAB or OE to B LEAB = 3.0 V;
tPHL
Port A = 0 V
VERC = VCC;
see Figure 12
tPLH
tPHL
A to B
OEAB = OE = 0 V;
LEAB = 3 V
VERC = GND;
see Figure 10
tPLH
CP to B
tPHL
OEAB = OE = 0 V;
LEAB = 0 V
VERC = GND;
see Figure 4
tPLH
LEAB to B
tPHL
OEAB = OE = 0 V;
CP = 0 or 3 V
VERC = GND;
see Figure 8
tPLH
tPHL
∆V/∆t
OEAB or OE to B
output slew rate
LEAB = 3.0 V;
Port A = 0 V
0.6 V to 1.0 V
VERC = GND;
see Figure 12
VERC = VCC
VERC = GND
tsk(o)
output edge skew measured at VREF
Min
Typ
Max
3.1
5.3
6.2
2.2
3.8
6.2
3.4
5.9
7.2
2.4
4.1
6.0
3.3
5.7
7.0
2.6
4.6
6.8
2.7
5.3
6.5
2.5
3.9
6.4
2.3
4.4
5.3
1.7
2.7
4.4
2.7
5.2
6.1
1.8
3.7
5.3
2.5
4.8
6.5
2.0
3.6
5.3
2.0
4.8
6.2
2.0
3.1
4.9
-
-
1
-
-
1
-
-
1
Unit
ns
ns
ns
ns
ns
ns
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
V/ns
V/ns
ns
9397 750 12936
Product data
Rev. 01 — 11 May 2004
© Koninklijke Philips Electronics N.V. 2004. All rights reserved.
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