CD74AC245 Datasheet, PDF (6/8 Pages) Texas Instruments – Octal-Bus Transceiver, Three-State, Non-Inverting

CD74AC245, CD74ACT245
Switching Specifications Input t_r, t_f = 3ns, C_L = 50pF (Worst Case) (Continued)
-40^oC TO 85^oC
-55^oC TO 125^oC
PARAMETER
Three-State Output Capacitance
Input Capacitance
Power Dissipation Capacitance
SYMBOL
V_CC (V)
MIN
C_O
-
-
C_I
-
-
C_PD
-
-
(Note 11)
TYP MAX
MIN
TYP MAX UNITS
15
-
-
15
-
pF
-
10
-
-
10
pF
57
-
-
57
-
pF
NOTES:
8. Limits tested 100%.
9. 3.3V Min is at 3.6V, Max is at 3V.
10. 5V Min is at 5.5V, Max is at 4.5V
11. C_PD is used to determine the dynamic power consumption per channel.
AACC:TP: _PDD==VV_{CCCC2 2}f_i
(C_PD + C_L)
f_i (C_PD + C_L)
+
V_CC
∆I_CC
where
f_i
=
input
frequency,
C_L
=
output
load
capacitance,
V_CC
=
supply
voltage.
OTHER
OUTPUTS
V_OH
V_OL
OUTPUT
UNDER
TEST
V_OH
V_OHV
V_OLP
V_OL
NOTES:
12. Input pulses have the following characteristics: PRR ≤ 1MHz, t_r = 3ns, SKEW 1ns.
13. R.F. fixture with 700MHz design rules required. IC should be soldered into test board and bypassed with 0.1µF capacitor. Scope and
probes require 700MHz bandwidth.
FIGURE 1. SIMULTANEOUS SWITCHING TRANSIENT WAVEFORMS
6