參數(shù)資料
型號: CY28346ZXC-2
廠商: Silicon Laboratories Inc
文件頁數(shù): 9/19頁
文件大?。?/td> 0K
描述: IC CLOCK DIFF OUT CK408 56TSSOP
標(biāo)準(zhǔn)包裝: 35
類型: *
PLL:
輸入: 晶體
輸出: 時鐘
電路數(shù): 1
比率 - 輸入:輸出: 1:21
差分 - 輸入:輸出: 無/是
頻率 - 最大: 200MHz
除法器/乘法器: 是/無
電源電壓: 3.135 V ~ 3.465 V
工作溫度: 0°C ~ 70°C
安裝類型: *
封裝/外殼: *
供應(yīng)商設(shè)備封裝: *
包裝: *
CY28346-2
...................... Document #: 38-07509 Rev. *B Page 17 of 19
Test and Measurement Set-up
For Differential CPU Output Signals
The following diagram shows lumped test load configurations
for the differential Host Clock Outputs.
Notes:
23. CPU_STP# and PCI _STP# setup time with respect to any PCIF clock to guarantee that the effected clock will stop or start at the next PCIF clock’s rising edge.
24. When Crystal meets minimum 40-ohm device series resistance specification.
REF
Tdc
REF Duty Cycle
45
554555
45
55
45
55
%
Tperiod
REF Period
69.84
71.0
69.84
71.0
69.84
71.0
69.84
71.0
ns
Tr / Tf
REF Rise and Fall
Times
1.0
4.0
1.0
4.0
1.0
4.0
1.0
4.0
ns
Tccj
REF Cycle to Cycle
Jitter
1000
ps
Tpzl/Tpzh
Output Enable
Delay (all outputs)
1.0
10.0
1.0
10.0
1.0
10.0
1.0
10.0
ns
Tplz/Tpzh
Output disable
delay (all outputs)
1.0
10.0
1.0
10.0
1.0
10.0
1.0
10.0
ns
Tstable
All Clock Stabili-
zation from
Power-up
33
3
ms
Tss
Stopclock Set-up
Time
10.0
ns
Tsh
Stopclock Hold
Time
0
ns
Tsu
Oscillator Start-up
Time
1.2
ms
AC Parameters (VDD = VDDA = 3.3V ±5%) (continued)
Parameter
Description
66 MHz
100 MHz
133 MHz
200 MHz
Unit
Notes
Min.
Max.
Min.
Max.
Min.
Max.
Min.
Max.
M e asu rem en t P oint
2p F
CPUT
M U LT SEL
T
PC B
T
PC B
CP U C
M eas urem e nt P o int
2p F
Figure 15. 1.0V Test Load Termination
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