參數(shù)資料
型號(hào): ICS8430DY-111T
廠商: INTEGRATED DEVICE TECHNOLOGY INC
元件分類(lèi): 時(shí)鐘及定時(shí)
英文描述: 8430 SERIES, PLL BASED CLOCK DRIVER, 2 TRUE OUTPUT(S), 0 INVERTED OUTPUT(S), PQFP32
封裝: 7 X 7 MM, 1.40 MM HEIGHT, MS-026BBA, LQFP-32
文件頁(yè)數(shù): 2/18頁(yè)
文件大?。?/td> 350K
代理商: ICS8430DY-111T
IDT / ICS 3.3V LVPECL FREQUENCY SYNTHESIZER
10
ICS8430DY-111 REV. F JANUARY 29, 2007
ICS8430-111
700MHZ, LOW JITTER, DIFFERENTIAL-TO-3.3V LVPECL FREQUENCY SYNTHESIZER
PRELIMINARY
Figure 3 shows how the differential input can be wired to accept
single ended levels. The reference voltage V_REF = V
CC
/2 is
generated by the bias resistors R1, R2 and C1. This bias circuit
should be located as close as possible to the input pin. The ratio
FIGURE 3. SINGLE ENDED SIGNAL DRIVING DIFFERENTIAL INPUT
WIRING THE DIFFERENTIAL INPUT TO ACCEPT SINGLE ENDED LEVELS
of R1 and R2 might need to be adjusted to position the V_REF in
the center of the input voltage swing. For example, if the input
clock swing is only 2.5V and V
CC
= 3.3V, V_REF should be 1.25V
and R2/R1 = 0.609.
V_REF
R1
1K
C1
0.1u
R2
1K
Single Ended Clock Input
CLK
nCLK
VCC
相關(guān)PDF資料
PDF描述
ICS8430DY-111LFT 8430 SERIES, PLL BASED CLOCK DRIVER, 2 TRUE OUTPUT(S), 0 INVERTED OUTPUT(S), PQFP32
ICS8430DY-111T 8430 SERIES, PLL BASED CLOCK DRIVER, 2 TRUE OUTPUT(S), 0 INVERTED OUTPUT(S), PQFP32
ICS8430DY-11LF 700 MHz, OTHER CLOCK GENERATOR, PQFP32
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ICS8430DYI-11 700 MHz, OTHER CLOCK GENERATOR, PQFP32
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