GTL1655DGG Datasheet, PDF (15/23 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 17: Port B to Port A switching
V_TT = 1.5 V; V_REF = 1 V for GTL+ (see Figures 15 and 16).
T_amb = −40 °C to +85 °C.
Symbol Parameter
Conditions
f_max
maximum
frequency
t_PLH
t_PHL
t_PLH
t_PHL
t_PLH
t_PHL
t_PZL
t_PLZ
t_PZH
t_PHZ
t_sk(o)
B to A
CP to A
LEBA to A
OEBA = OE = 0 V;
LEBA = 3 V
OEBA = OE = 0 V;
LEBA = 0 V
OEBA = OE = 0 V
see Figure 11
see Figure 5
see Figure 9
OEBA or OE to A
output edge skew
LEBA = 3.0 V;
Port B = 0 V
LEBA = 3 V;
Port B = V_TT
measured at 1.5 V
see Figure 13
see Figure 14
10.1 AC waveforms
Min
Typ
Max Unit
160
-
-
MHz
1.8
2.6
4.9
ns
2.3
4.2
5.3
ns
1.5
3.1
4.4
ns
1.5
3.7
4.6
ns
1.3
2.7
4.0
ns
1.4
3.1
3.9
ns
1.3
3.1
5.1
ns
1.7
2.8
6.1
ns
1.3
3.3
5.1
ns
1.7
3.3
6.1
ns
-
-
1
ns
Port A
input
CP
input
Port B
output
1.5 V 1.5 V
t_su
t_h
1.5 V
t_W
t_PLH
V_REF
1.5 V 1.5 V
3.0 V
t_su
t_h
0V
3.0 V
1.5 V
1.5 V
0V
t_W
t_PHL
V_TT
V_REF
V_OL
002aaa766
Test condition: OEAB = OE = 0 V
Fig 4. CP to B timing.
Port B
input
CP
input
Port A
output
V_REF V_REF
t_su
t_h
1.5 V
t_W
t_PLH
1.5 V
1.5 V
t_W
V_TT
V_REF V_REF
t_su
t_h
0V
3.0 V
1.5 V
0V
t_PHL
1.5 V
V_OH
V_OL
002aaa767
Test condition: OEAB = OE = 0 V; LEBA = 0 V
Fig 5. CP to A timing.
Port A
input
LEAB
input
1.5 V 1.5 V
t_su
t_h
1.5 V
1.5 V 1.5 V
3.0 V
t_su
t_h
0V
3.0 V
1.5 V
1.5 V
0V
t_W
002aaa768
Test condition: OEAB = OE = 0 V
Fig 6. LEAB set-up and hold times.
Port B
input
LEBA
input
V_REF V_REF
t_su
t_h
1.5 V
1.5 V
t_W
V_REF V_REF
t_su
t_h
V_TT
0V
3.0 V
1.5 V
0V
002aaa769
Test condition: OEAB = OE = 0 V
Fig 7. LEBA set-up and hold times.
9397 750 12936
Product data
Rev. 01 — 11 May 2004
© Koninklijke Philips Electronics N.V. 2004. All rights reserved.
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