參數(shù)資料
型號: CY28329OXCT
廠商: Silicon Laboratories Inc
文件頁數(shù): 10/16頁
文件大?。?/td> 0K
描述: IC CLOCK CK408B PLUMAS 56SSOP
標(biāo)準(zhǔn)包裝: 1,000
類型: *
PLL:
輸入: 晶體
輸出: 時(shí)鐘
電路數(shù): 1
比率 - 輸入:輸出: 1:24
差分 - 輸入:輸出: 無/是
頻率 - 最大: 133MHz
除法器/乘法器: 無/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: *
其它名稱: SLCY28329OXCT
CY28329
....................... Document #: 38-07040 Rev. *E Page 3 of 16
Function Table[1]
S2
S1
CPU
(MHz)
3V66[0:1](
MHz)
66BUFF[0:2]/
3V66[2:4]
(MHz)
66IN/3V66_5
(MHz)
PCI_F/PCI
(MHz)
REF0(MHz)
USB/DOT
(MHz)
Notes
1
0
100 MHz
66 MHz
66IN
66-MHz Input
66IN/2
14.318 MHz
48 MHz
1
133 MHz
66 MHz
66IN
66-MHz Input
66IN/2
14.318 MHz
48 MHz
0
100 MHz
66 MHz
66-MHz Input
33 MHz
14.318 MHz
48 MHz
0
1
133 MHz
66 MHz
66-MHz Input
33 MHz
14.318 MHz
48 MHz
Mid
0
Hi-Z
Mid
1
TCLK/2
TCLK/4
TCLK/8
TCLK
TCLK/2
Swing Select Functions
Mult0
Board Target
Trace/Term Z
Reference R, IREF =
VDD/(3*Rr)
Output
Current
VOH @ Z,
0
50 ohm
Rr = 221 1%,
IREF = 5.00 mA
IOH = 4*Iref
1.0V @ 50
1
50 ohm
Rr = 475 1%,
IREF = 2.32 mA
IOH = 6*Iref
0.7V @ 50
Clock Driver Impedances
Buffer Name
VDD Range
Buffer Type
Impedance
Min.
(Ohm)
Typ.
(Ohm)
Max.
(Ohm)
CPU, CPU#
Type X1
50
REF
3.135–3.465
Type 3
20
40
60
PCI, 3V66, 66BUFF
3.135–3.465
Type 5
12
30
55
USB
3.135–3.465
Type 3A
12
30
55
DOT
3.135–3.465
Type 3B
12
30
55
Clock Enable Configuration
PD#
PCI_STOP#
CPU
CPU#
3V66
66BUFF
PCI_F
PCI
USB/DOT
VCOS/OSC
0
X
IREF*2
FLOAT
LOW
OFF
1
0
ON
OFF
ON
1
ON
Notes:
1. TCLK is a test clock driven in on the XTALIN input in test mode.
2. “Normal” mode of operation.
3. Range of reference frequency allowed is min. = 14.316 nominal = 14.31818 MHz, max. = 14.32 MHz.
4. Frequency accuracy of 48 MHz must be +167 PPM to match USB default.
5. Required for board level “bed of nails” testing.
6. Mid is defined a Voltage level between 1.0V and 1.8V for 3 level input functionality. Low is below 0.8V. High is above 2.0V.
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