74avc20t245 NXP Semiconductors, 74avc20t245 Datasheet - Page 11

• Manufacturer Part Number: 74avc20t245
• Description: 20-bit Dual Supply Translating Transceiver With Configurable Voltage Translation; 3-state
• Manufacturer: NXP Semiconductors

NXP Semiconductors
10. Dynamic characteristics
Table 9.
Voltages are referenced to GND (ground = 0 V).
[1]
[2]
74AVC20T245
Product data sheet
Symbol Parameter
C
PD
C
P
f
f
C
V
N = number of inputs switching;
Σ(C
f
i
o
i
D
CC
PD
= input frequency in MHz;
L
= 10 MHz; V
= output frequency in MHz;
= load capacitance in pF;
= C
L
is used to determine the dynamic power dissipation (P
= supply voltage in V;
× V
power dissipation
capacitance
PD
Typical power dissipation capacitance at V
CC
× V
2
× f
CC
I
o
= GND to V
2
) = sum of the outputs.
× f
i
× N + Σ(C
CC
; t
Conditions
A port: (direction A to B);
output enabled
A port: (direction A to B);
output disabled
A port: (direction B to A);
output enabled
A port: (direction B to A);
output disabled
B port: (direction A to B);
output enabled
B port: (direction A to B);
output disabled
B port: (direction B to A);
output enabled
B port: (direction B to A);
output disabled
L
r
× V
= t
f
CC
= 1 ns; C
2
× f
o
All information provided in this document is subject to legal disclaimers.
) where:
L
= 0 pF; R
Rev. 3 — 22 June 2010
L
= ∞ Ω.
D
CC(A)
in μW).
0.8 V
0.2
0.2
9.5
0.6
9.5
0.6
0.2
0.2
= V
20-bit dual supply translating transceiver; 3-state
CC(B)
1.2 V
0.2
0.2
9.7
0.6
9.7
0.6
0.2
0.2
and T
amb
1.5 V
V
0.2
0.2
9.8
0.6
9.8
0.6
0.2
0.2
CC(A)
= 25 °C
= V
1.8 V
CC(B)
[1][2]
0.2
0.2
9.9
0.6
9.9
0.6
0.2
0.2
74AVC20T245
2.5 V
10.7
10.7
0.3
0.3
0.7
0.7
0.3
0.3
© NXP B.V. 2010. All rights reserved.
3.3 V
11.9
11.9
0.4
0.4
0.7
0.7
0.4
0.4
11 of 27
Unit
pF
pF
pF
pF
pF
pF
pF
pF