DS3251+ Maxim Integrated Products, DS3251+ Datasheet - Page 54

• Manufacturer Part Number: DS3251+
• Description: IC LIU DS3/E3/STS-1 144-CSBGA
• Manufacturer: Maxim Integrated Products
• Type: Line Interface Units (LIUs)r

Specifications of DS3251+

• Number Of Drivers/receivers: 1/1
• Protocol: DS3
• Voltage - Supply: 3.135 V ~ 3.465 V
• Mounting Type: Surface Mount
• Package / Case: 144-CSBGA
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Table 17-I. SPI Interface Timing
(V
Figure 17-5. SPI Interface Timing Diagram
SCLK Frequency
SCLK Cycle Time
CS Setup to First SCLK Edge
CS Hold time After Last SCLK Edge
SCLK High Time
SCLK Low Time
SDI Data Setup Time
SDI Data Hold Time
SDO Enable Time (High-Impedance to Output Active)
SDO Disable Time (Output Active to High-Impedance)
SDO Data Valid Time
SDO Data Hold Time After Update SCLK Edge
Note 1:
DD
= 3.3V ±5%, T
CPOL=0
CPOL=1
CPOL=0
CPOL=1
CPHA = 0
CPHA = 1
SCLK,
SCLK,
SCLK,
SCLK,
All timing is specified with 100pF load on all SPI pins.
SDO
SDO
SDI
SDI
CS
CS
PARAMETER (Note 1)
A
= -40°C to +85°C.)
t
t
SUC
SUC
t
SUI
t
t
HDI
t
t
t
CLKH
CLKL
CLKH
CLKL
t
SUI
t
t
CYC
CYC
t
HDI
t
t
t
t
CLKL
CLKL
CLKH
CLKH
(Figure
17-5)
t
EN
54 of 71
t
EN
SYMBOL
t
HDO
t
t
t
f
t
t
t
CLKH
t
t
t
CLKL
HDC
t
t
HDO
BUS
CYC
SUC
SUI
HDI
DIS
EN
DV
t
HDO
t
DV
t
MIN
100
DV
15
15
50
50
15
5
0
5
TYP
t
DIS
t
t
t
HDC
DIS
HDC
MAX
10
25
40
UNITS
MHz
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns