CD54FCT245 Datasheet, PDF (4/7 Pages) Texas Instruments – BiCMOS FCT Interface Logic, Octal-Bus Tranceivers, Three-State

CD54FCT245, CD74FCT245
Switching Specifications t_r, t_f = 2.5ns, C_L = 50pF, R_L - See Figure 3
PARAMETER
SYMBOL
AMBIENT TEMPERATURE (T_A)
25^oC
0^oC TO 70^oC
-55^oC TO 125^oC
V_CC
(V)
TYP MIN TYP MAX MIN TYP MAX
Propagation Delays
Data to Outputs)
Output Enable to Output
t_PLH, t_PHL
5
t_PZL, t_PZH
5
5
1.5
-
7
1.5
-
7.5
6
1.5
-
9.5 1.5
-
10
Output Disable to Output
t_PLZ, t_PHZ
5
6
1.5
-
7.5 1.5
-
10
Power Dissipation
Capacitance
Min (Valley) V_OHV During Switching
of Other Outputs (Output Under Test
Not Switching)
C_PD
V_OHV
-
49
-
49
-
-
49
-
5
0.5
-
-
-
-
-
-
Max (Peak) V_OLP During Switching of
Other Outputs (Output Under Test Not
Switching)
V_OLP
5
1
-
-
-
-
-
-
Input Capacitance
C_l
-
-
-
-
10
-
Input/Output Capacitance
C_I/O
-
-
-
-
15
-
NOTES:
7. 5V: Min is at 5.5V, Max is at 4.5V.
5V: Min is at 5.25V for 0^oC to 70^oC, Max is at 4.75V for 0^oC to 70^oC, Typ is at 5V.
8.
C_PD, measured per
P_D (per package) =
function,
V_CC I_CC
is
+
used to determine the
∑ (V_CC2 f_l C_PD + V_O2
dynamic power consumption.
f_O C_L + V_CC ∆l_CC D) where:
V_CC = supply voltage
∆l_CC = flow through current x unit load
C_L = output load capacitance
D = duty cycle of input high
f_O = output frequency
f_I= input frequency
-
10
-
15
UNITS
ns
ns
ns
pF
V
V
pF
pF
4