Datasheet

PCA9513A_PCA9514A_4 © NXP B.V. 2009. All rights reserved.
Product data sheet Rev. 04 — 18 August 2009 9 of 26
NXP Semiconductors
PCA9513A; PCA9514A
Hot swappable I
2
C-bus and SMBus bus buffer
(1) Unshaded area indicates recommended pull-up, for rise time < 300 ns, with PCA9513A/PCA9514A.
(2) Rise time without PCA9513A/PCA9514A.
Fig 6. Bus requirements for 3.3 V systems
(1) Unshaded area indicates recommended pull-up, for rise time < 300 ns, with PCA9513A/PCA9514A.
(2) Rise time without PCA9513A/PCA9514A.
Fig 7. Bus requirements for 5 V systems
C
b
(pF)
0 400300200100
002aae780
20
10
30
50
R
PU
(kΩ)
0
R
max
= 45 kΩ
rise time = 20 ns
R
min
= 1 kΩ
rise time = 300 ns
(2)
40
(1)
C
b
(pF)
0 400300200100
002aae781
70
R
PU
(kΩ)
0
10
20
30
40
50
60
(1)
R
max
= 65.7 kΩ
rise time = 20 ns
R
min
= 1.7 kΩ
rise time = 300 ns
(2)