參數(shù)資料
型號(hào): 90E23PYGI
廠商: INTEGRATED DEVICE TECHNOLOGY INC
元件分類: 模擬信號(hào)調(diào)理
英文描述: SPECIALTY ANALOG CIRCUIT, PDSO28
封裝: GREEN, SSOP-28
文件頁(yè)數(shù): 46/54頁(yè)
文件大小: 610K
代理商: 90E23PYGI
90E21/22/23/24
SINGLE-PHASE HIGH-PERFORMANCE WIDE-SPAN ENERGY METERING IC
Electrical Specification
50
March 22, 2011
6.2
SPI INTERFACE TIMING
The SPI interface timing is as shown in Figure-10, Figure-11 and
Figure-10 4-Wire SPI Timing Diagram
Figure-11 3-Wire SPI Timing Diagram
Table-12 SPI Timing Specification
Symbol
Description
Min.
Typical
Max.
Unit
tCSH
note 1
Minimum CS High Level Time
30T
note 2+10
ns
tCSS
note 1
CS
Setup Time
3T+10
ns
tCSD
note 1
CS
Hold Time
30T+10
ns
tCLD
note 1
Clock Disable Time
1T
ns
tCLH
Clock High Level Time
30T+10
ns
tCLL
Clock Low Level Time
16T+10
ns
tDIS
Data Setup Time
3T+10
ns
tDIH
Data Hold Time
22T+10
ns
CS
SCLK
SDI
SDO
tCSH
tCSS
High Impedance
tCSD
tCLH
tCLL
tDIS
tDIH
tPD
tDF
Valid Input
Valid Output
tCLD
tDW
SCLK
SDI
SDO
High Impedance
tCLH
tCLL
tDIS
tDIH
tPD
Valid Input
Valid Output
tDW
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