GTL2012 Datasheet, PDF (6/14 Pages) NXP Semiconductors – 2-bit LVTTL to GTL transceiver

NXP Semiconductors
GTL2012
2-bit LVTTL to GTL transceiver
11. Dynamic characteristics
Table 8. Dynamic characteristics
V_CC = 3.3 V ± 0.3 V
Symbol Parameter
GTL−; V_ref = 0.6 V; V_TT = 0.9 V
t_PLH
LOW-to-HIGH propagation delay
t_PHL
HIGH-to-LOW propagation delay
t_PLH
LOW-to-HIGH propagation delay
t_PHL
HIGH-to-LOW propagation delay
GTL; V_ref = 0.8 V; V_TT = 1.2 V
t_PLH
LOW-to-HIGH propagation delay
t_PHL
HIGH-to-LOW propagation delay
t_PLH
LOW-to-HIGH propagation delay
t_PHL
HIGH-to-LOW propagation delay
GTL+; V_ref = 1.0 V; V_TT = 1.5 V
t_PLH
LOW-to-HIGH propagation delay
t_PHL
HIGH-to-LOW propagation delay
t_PLH
LOW-to-HIGH propagation delay
t_PHL
HIGH-to-LOW propagation delay
Conditions
An to Bn; see Figure 4
An to Bn; see Figure 4
Bn to An; see Figure 5
Bn to An; see Figure 5
An to Bn; see Figure 4
An to Bn; see Figure 4
Bn to An; see Figure 5
Bn to An; see Figure 5
An to Bn; see Figure 4
An to Bn; see Figure 4
Bn to An; see Figure 5
Bn to An; see Figure 5
[1] All typical values are at V_CC = 3.3 V and T_amb = 25 °C.
Min
Typ^[1] Max Unit
-
2.8
5
ns
-
3.3
7
ns
-
5.3
8
ns
-
5.2
8
ns
-
2.8
5
ns
-
3.4
7
ns
-
5.2
8
ns
-
4.9
7
ns
-
2.8
5
ns
-
3.4
7
ns
-
5.1
8
ns
-
4.7
7
ns
11.1 Waveforms
V_M = 1.5 V at V_CC ≥ 3.0 V; V_M = 0.5V_CC at V_CC ≤ 2.7 V for A ports and control pins;
V_M = V_ref for B ports.
t_p
V_M
3.0 V
V_M
0V
002aab140
V_M = 1.5 V for B port and V_ref for
A port
a. Pulse duration
Fig 4. Voltage waveforms
input
output
1.5 V
t_PLH
V_ref
B port to A port
3.0 V
1.5 V
0V
t_PHL
V_OH
V_ref
V_OL
002aab141
b. Propagation delay times
GTL2012_1
Product data sheet
Rev. 01 — 9 August 2007
© NXP B.V. 2007. All rights reserved.
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