x9520v20iz-bt1 Intersil Corporation, x9520v20iz-bt1 Datasheet - Page 22

• Manufacturer Part Number: x9520v20iz-bt1
• Description: Fiber Channel/gigabit Ethernet Laser Diode Control For Fiber Optic Modules Triple Dcp, Por, 2kbit Eeprom Memory, Dual Voltage Monitors
• Manufacturer: Intersil Corporation

Timing Diagrams
V1RO, V2RO, V3RO Output Timing.
NOTES:
SCL
SDA IN
SDA OUT
t
t
(Note 2) (Note 5)
t
t
t
t
V
1. See Figure 31 for timing diagram.
2. See Figure 25 for equivalent load.
3. This parameter describes the lowest possible V1/VCC level for which the outputs V1RO, V2RO, and V3RO will be correct with respect to their
4. From MR rising edge crossing V
5. The above parameters are not 100% tested.
PURST
MRD
MRDPW
RPDx
Fx
Rx
RVALID
(Note 5)
inputs (V1/VCC, V2, V3).
(Note 5)
SYMBOL
(Figure 31)
t
(Note 5)
SU:STA
(Note 5)
(Note 5)
(Note 5)
FIGURE 25. EQUIVALENT AC CIRCUIT
SDA
V2RO
V3RO
V1RO
Power On Reset delay time
MR to V1RO propagation delay
MR pulse width
V1/VCC, V2, V3 to V1RO, V2RO, V3RO
propagation delay (respectively)
V1/VCC, V2, V3 Fall Time
V1/VCC, V2, V3 Rise Time
V1/VCC for V1RO, V2RO, V3RO Valid
(Note 3).
t
HD:STA
22
t
F
V1/VCC = 5V
DESCRIPTION
IH
, to V1RO rising edge crossing V
t
100pF
SU:DAT
2300Ω
(See Figure 30, Figure 31, Figure 32)
t
HIGH
FIGURE 27. BUS TIMING
t
LOW
POR1 = 0, POR0 = 0
POR1 = 0, POR0 = 1
POR1 = 1, POR0 = 0
POR1 = 1, POR0 = 1
See (Note 1) (Note 2) (Note 4)
X9520
t
HD:DAT
OH
CONDITION
.
t
R
R
t
AA
Hx
FIGURE 26. DCP SPICE MACROMODEL
t
DH
10pF
C
MIN
100
150
500
25
50
20
20
1
H
R
TOTAL
R
Wx
R
t
25pF
W
BUF
C
TYP
100
200
300
W
50
t
10pF
SU:STO
C
L
MAX
150
300
450
75
20
5
R
(x = 0,1,2)
Lx
August 20, 2007
UNITS
mV/μs
mV/μs
ms
ms
ms
ms
μs
ns
μs
V
FN8206.2