參數(shù)資料
型號(hào): CDC329DLE
廠商: TEXAS INSTRUMENTS INC
元件分類: 時(shí)鐘及定時(shí)
英文描述: CDC SERIES, LOW SKEW CLOCK DRIVER, 6 TRUE OUTPUT(S), 0 INVERTED OUTPUT(S), PDSO16
封裝: PLASTIC, SO-16
文件頁數(shù): 5/6頁
文件大?。?/td> 90K
代理商: CDC329DLE
CDC329
1-LINE TO 6-LINE CLOCK DRIVER
WITH SELECTABLE POLARITY
SCBS117A–D4501, JANUARY 1991–REVISED NOVEMBER 1992
5
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
WAVEFORMS FOR CALCULATION OF tsk(o)
tPLH1
2Y2
2Y1
2T/C
1Y2
1Y1
1T/C
A
tPHL1
tPLH5
tPHL5
tPLH2
tPHL2
tPLH6
tPHL6
tPLH3
tPHL3
tPHL7
tPLH7
tPLH4
tPHL4
tPHL8
tPLH8
Output skew, tsk(o), from A to any Y (same phase), can be measured only between outputs for which the respective polarity control inputs (T/C)
are at the same logic level. It is calculated as the greater of:
a) the difference between the fastest and slowest of tPLH from A↑ to any Y
(e.g., tPLHn, n = 1 to 4; or tPLHn, n = 5 to 6),
b) the difference between the fastest and slowest of tPHL from A↓ to any Y
(e.g., tPHLn, n = 1 to 4; or tPHLn, n = 5 to 6),
c) the difference between the fastest and slowest of tPLH from A↓ to any Y
(e.g., tPLHn, n = 7 to 8), and
d) the difference between the fastest and slowest of tPHL from A↑ to any Y
(e.g., tPHLn, n = 7 to 8).
Output skew, tsk(o), from A to any Y (any phase), can be measured between outputs for which the respective polarity control inputs (T/C) are at
the same or different logic levels. It is calculated as the greater of:
a) the difference between the fastest and slowest of tPLH from A↑ to any Y or tPHL from A↑ to any Y
(e.g., tPLHn, n = 1 to 4; or tPLHn, n = 5 to 6, and tPHLn, n = 7 to 8), and
b) the difference between the fastest and slowest of tPHL from A↓ to any Y or tPLH from A↓ to any Y
(e.g., tPHLn, n = 1 to 4; or tPHLn, n = 5 to 6, and tPLHn, n = 7 to 8).
Figure 2. Skew Waveforms and Calculations
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