FXL4TD245 Datasheet, PDF (7/12 Pages) Fairchild Semiconductor – Low Voltage Dual Supply 4-Bit Signal Translator with Configurable Voltage Supplies and Signal Levels and 3-STATE

AC Electrical Characteristics (Continued)
V_CCA = 1.4V to 1.6V
T_A = −40°C to +85°C
V_CCB =
V_CCB =
3.0V to 3.6V 2.3V to 2.7V
V_CCB =
1.65V to
1.95V
V_CCB =
V_CCB =
1.4V to 1.6V 1.1V to 1.3V
Symbol
Parameter
Min. Max. Min. Max. Min. Max. Min. Max. Min. Max. Units
t_PLH, t_PHL Propagation Delay A to B 0.5 4.3 0.5 4.8 1.0 6.0 1.0 7.3 1.5 22.0 ns
Propagation Delay B to A 0.6 6.8 0.8 6.9 0.9 7.1 1.0 7.3 1.3 9.5
t_PZH, t_PZL Output Enable OE to B
Output Enable OE to A
1.1 7.5 1.1 7.6 1.3 7.7 1.4 7.9 2.0 20.0 ns
1.0 7.5 1.0 7.5 1.0 7.5 1.0 7.5 1.0 7.5
t_PHZ, t_PLZ Output Disable OE to B
0.4 6.1 0.4
6.2
0.9 6.2 1.5 7.5
2.0 18.0
ns
Output Disable OE to A 1.0 6.0 1.0 6.0 1.0 6.0 1.0 6.0 1.0 6.0
V_CCA = 1.1V to 1.3V
T_A = −40°C to +85°C
V_CCB =
V_CCB =
3.0V to 3.6V 2.3V to 2.7V
V_CCB =
1.65V to
1.95V
V_CCB =
V_CCB =
1.4V to 1.6V 1.1V to 1.3V
Symbol
Parameter
Min. Max. Min. Max. Min. Max. Min. Max. Min. Max. Units
t_PLH, t_PHL Propagation Delay A to B 0.8 13.0 1.0 7.0 1.2 8.0 1.3 9.5 2.0 24.0 ns
Propagation Delay B to A 1.4 22.0 1.4 22.0 1.5 22.0 1.5 22.0 2.0 24.0
t_PZH, t_PZL Output Enable OE to B 1.0 12.0 1.0 9.0 2.0 10.0 2.0 11.0 2.0 24.0 ns
Output Enable OE to A 2.0 22.0 2.0 22.0 2.0 22.0 2.0 22.0 2.0 22.0
t_PHZ, t_PLZ Output Disable OE to B 1.0 15.0 0.7 7.0 1.0 8.0 2.0 10.0 2.0 20.0 ns
Output Disable OE to A 2.0 15.0 2.0 12.0 2.0 12.0 2.0 12.0 2.0 12.0
Capacitance
Symbol
Parameter
C_IN Input Capacitance Control Pins (OE, T/R)
C_I/O Input/Output Capacitance A_n, B_n Ports
C_PD Power Dissipation Capacitance
Conditions
V_CCA = V_CCB = 3.3V, V_I = 0V or V_CCA/B
V_CCA = V_CCB = 3.3V, V_I = 0V or V_CCA/B
V_CCA = V_CCB = 3.3V, V_I = 0V or V_CC,
F = 10MHz
T_A = +25°C
Typical
4.0
5.0
20.0
Units
pF
pF
pF
©2006 Fairchild Semiconductor Corporation
FXL4TD245 Rev. 1.0.4
7
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