SI2404-D-FT Silicon Laboratories Inc, SI2404-D-FT Datasheet - Page 8
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SI2404-D-FT
Manufacturer Part Number
SI2404-D-FT
Description
IC ISOMODEM SYSTEM-SIDE 24TSSOP
Manufacturer
Silicon Laboratories Inc
Specifications of SI2404-D-FT
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
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Si2457/34/15/04
Table 6. Switching Characteristics
(V
8
Parameter
Read Cycle Time
Write to Read Cycle Time
Serial Peripheral Interface (SPI) Timing Parameters
SS Falling to First SCLK Edge
Last SCLK Edge to SS Rising
SS Rising to MISO High-Z
SCLK High Time
SCLK Low Time
MOSI Valid to SCLK Sample Edge
SCLK Sample Edge to MOSI Change
SCLK Shift Edge to MISO Change
SCLK cycle time
Inactive time between SS actives
Notes:
D
= 3.0 to 3.6 V, T
1. All timing is referenced to the 50% level of the waveform. Input test levels are V
2. With 32.768 kHz clocking, allow 500 ms for the reset low-to-high minimum pulse on power-up and wake-from-power-
SCLK*
MOSI
MISO
down conditions.
SS
A
T
SE
= 0 to 70 °C for F-grade, T
T
SEZ
T
CKH
1
Figure 2. SPI Slave Timing
(Continued)
A
T
CKL
=
t
T
–40 to 85 °C for G-grade)
NSS_INACT
SIS
Symbol
T
SOH
t
t
t
t
t
t
WRC
t
t
t
t
t
CKH
SOH
SCK
SDZ
CKL
SIS
SIH
RC
SE
SD
Rev. 1.3
T
SIH
Min
120
120
102
102
224
41
41
41
41
81
—
—
IH
Typ
—
—
—
—
—
—
—
—
—
—
—
—
= V
D
– 0.4 V, V
Max
IL
93
93
—
—
—
—
—
—
—
—
—
—
= 0.4 V.
T
T
SD
SDZ
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
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