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參數資料
型號: W48S87-72H
廠商: CYPRESS SEMICONDUCTOR CORP
元件分類: XO, clock
英文描述: CPU System Clock Generator
中文描述: 66.8 MHz, PROC SPECIFIC CLOCK GENERATOR, PDSO48
封裝: 0.300 INCH, SSOP-48
文件頁數: 17/19頁
文件大小: 248K
代理商: W48S87-72H
W48S87-72
17
Document #: 38-00855-*A
Serial Input Port
Parameter
Description
Test Condition
Min.
Typ.
Max.
Unit
f
SCLOCK
t
STHD
t
LOW
t
HIGH
t
DSU
t
DHD
SCLOCK Frequency
Normal Mode
0
100
kHz
μs
Start Hold Time
4.0
SCLOCK Low Time
4.7
μs
SCLOCK High Time
4.0
μs
Data Set-up Time
250
ns
Data Hold Time
(Transmitter should provide a 300-ns hold
time to ensure proper timing at the receiver.)
0
ns
t
R
Rise Time, SDATA and
SCLOCK
From 0.3V
DD
to 0.7V
DD
1000
ns
t
F
Fall Time, SDATA and
SCLOCK
From 0.7V
DD
to 0.3V
DD
300
ns
t
STSU
t
SPF
Stop Set-up Time
4.0
μs
Bus Free Time between
Stop and Start Condition
4.7
μs
t
SP
Allowable Noise Spike
Pulse Width
50
ns
Ordering Information
Ordering Code
W48S87
Freq. Mask
Code
72
Package
Name
H
X
Package Type
48-pin SSOP (300 mils)
48-pin TSSOP
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