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Nxp-semiconductors PCA9665 Bedienungsanleitung Seite 88

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PCA9665_2 © NXP B.V. 2006. All rights reserved.
Product data sheet Rev. 02 — 7 December 2006 88 of 91
NXP Semiconductors
PCA9665
Fm+ parallel bus to I
2
C-bus controller
Modifications:
(continued)
• Table 49, sub-section “Bus timing”:
– changed Min value for t
h(A)
from 7 ns to 13 ns
– changed Min value for t
w(RDL)
from 7 ns to 20 ns
– changed Min value for t
w(WRL)
from 7 ns to 20 ns
– changed Min value for t
su(Q)
from 7 ns to 12 ns
– changed Min value for t
w(RDH)
from 12 ns to 18 ns
– changed Min value for t
w(WRH)
from 12 ns to 18 ns
• Table 50 “Dynamic characteristics (2.5 volt)
[1][2][3]
”:
– added sub-sections “Initialization timing” and “Serial interface initialization timing”
– sub-section “
INT timing”: changed t
as(int)
from (Typ) “<tbd>” to (Max) “550 ns”
– sub-section “
INT timing”: changed t
das(int)
from (Typ) “<tbd>” to (Max) “20 ns”
• Table 50, sub-section “Bus timing”:
– changed Min value for t
h(A)
from 9 ns to 13 ns
– changed Min value for t
w(RDL)
from 9 ns to 20 ns
– changed Min value for t
w(WRL)
from 9 ns to 20 ns
– changed Min value for t
su(Q)
from 8 ns to 12 ns
– changed Min value for t
w(RDH)
from 12 ns to 18 ns
– changed Min value for t
w(WRH)
from 12 ns to 18 ns
• Figure 36 “Reset timing” modified
• Figure 38 “Bus timing (read cycle)” modified
• Added (new) Figure 39 “Parallel bus timing (write cycle)”
• Table 51 “I
2
C-bus frequency and timing specifications”:
– t
VD;ACK
(Min) changed: (Standard-mode) from 0.3 µs to 0.05 µs; (Fast-mode) from 0.1 µs to
0.05 µs
– t
VD;DAT
(Min) changed: (Fast-mode Plus) from “<tbd>” to “50 ns”
– t
SP
(Max) changed: (Fast-mode Plus) from “<tbd>” to “50 ns”
• Added (new) Figure 42 “I
2
C-bus timing diagram”
• Figure 43 “Test circuitry for switching times” modified (at switch, “6.0 V” changed to “V
DD
× 2”
• Table 52: modified test t
d(DV)
changed S1 value from “6 V” to “V
DD
× 2”
• Added (new) Figure 44 “Test circuitry for open-drain switching times” and Table 53.
PCA9665_1 20060807 Objective data sheet - -
Table 58. Revision history
…continued
Document ID Release date Data sheet status Change notice Supersedes
Seitenansicht 87
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