參數(shù)資料
型號(hào): ICS83940AY-01T
元件分類: 時(shí)鐘及定時(shí)
英文描述: LOW SKEW CLOCK DRIVER, 18 TRUE OUTPUT(S), 0 INVERTED OUTPUT(S), PQFP32
封裝: 7 X 7 MM, 1.40 MM HEIGHT, MS-026, LQFP-32
文件頁(yè)數(shù): 6/17頁(yè)
文件大小: 174K
代理商: ICS83940AY-01T
83940AY-01
www.icst.com/products/hiperclocks.html
REV. A SEPTEMBER 24, 2001
14
Integrated
Circuit
Systems, Inc.
ICS83940-01
LOW SKEW, 1-TO-18
DIFFERENTIAL-TO-LVCMOS FANOUT BUFFER
PRELIMINARY
APPLICATION INFORMATION
WIRING THE DIFFERENTIAL INPUT TO ACCEPT SINGLE ENDED LEVELS
Figure 8 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 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.
FIGURE 8 - SINGLE ENDED SIGNAL DRIVING DIFFERENTIAL INPUT
R2
1K
V
DD
CLK_IN
+
-
R1
1K
C1
0.1uF
V_REF
相關(guān)PDF資料
PDF描述
ICS83940AY-01LF LOW SKEW CLOCK DRIVER, 18 TRUE OUTPUT(S), 0 INVERTED OUTPUT(S), PQFP32
ICS83940AY-01 LOW SKEW CLOCK DRIVER, 18 TRUE OUTPUT(S), 0 INVERTED OUTPUT(S), PQFP32
ICS83940AY-02 83940 SERIES, LOW SKEW CLOCK DRIVER, 18 TRUE OUTPUT(S), 0 INVERTED OUTPUT(S), PQFP32
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