參數(shù)資料
型號(hào): WM8191
廠商: Wolfson Microelectronics
英文描述: TVS BI-DIR 6.0V 400W SMA
中文描述: 14位6MSPS獨(dú)聯(lián)體/防治荒漠化公約模擬前端/數(shù)字轉(zhuǎn)換器
文件頁(yè)數(shù): 9/27頁(yè)
文件大?。?/td> 355K
代理商: WM8191
Advanced Information
WM8191
WOLFSON MICROELECTRONICS LTD
AI Rev 3.1 April 2001
9
PARALLEL INTERFACE
STB
OP[13:6]
DNA
RNW
ADC DATA OUT
ADC DATA OUT
REG. DATA OUT
ADC DATA OUT
Hi-Z
Hi-Z
t
ASU
t
STB
t
AH
t
DSU
t
DH
t
STDO
t
STAO
t
ADLS
t
ADLH
t
ADHS
t
ADHH
t
OPD
ADDRESS IN
DATA IN
t
OPZ
Figure 5 Parallel Interface Timing
Test Conditions
AVDD1 = AVDD2 = DVDD1 = 4.75 to 5.25V, DVDD2 = DVDD3 = 2.97 to 3.63V, AGND = DGND = 0V, T
A
= 0 to 70
°
C,
MCLK = 12MHz unless otherwise stated.
PARAMETER
RNW low to OP[13:6] Hi-Z
SYMBOL
t
OPZ
TEST CONDITIONS
MIN
TYP
MAX
20
UNITS
ns
Address set-up time to STB low
t
ASU
0
ns
DNA low set-up time to STB low
t
ADLS
10
ns
Strobe low time
t
STB
50
ns
Address hold time from STB high
t
AH
10
ns
DNA low hold time from STB high
t
ADLH
10
ns
Data set-up time to STB low
t
DSU
0
ns
DNA high set-up time to STB low
t
ADHS
10
ns
Data hold time from STB high
t
DH
10
ns
Data high hold time from STB high
t
ADHH
10
ns
RNW high to OP[13:6] output
t
OPD
35
ns
Data output propogation delay from
STB low
ADC data out propogation delay
from STB high
Parameters are measured at 50% of the rising/falling edge.
t
STDO
35
t
STAO
35
Note:
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