參數(shù)資料
型號: MC88914D
廠商: MOTOROLA INC
元件分類: 時鐘及定時
英文描述: LOW SKEW CMOS CLOCK DRIVER WITH RESET
中文描述: 88914 SERIES, LOW SKEW CLOCK DRIVER, 4 TRUE OUTPUT(S), 2 INVERTED OUTPUT(S), PDSO14
封裝: PLASTIC, SOIC-14
文件頁數(shù): 3/4頁
文件大?。?/td> 77K
代理商: MC88914D
MC88914
TIMING SOLUTIONS
BR1333 — REV 5
3
MOTOROLA
AC CHARACTERISTICS
(VCC = 5.0V
±
10%)
TA = 25
°
C
CL = 50 pF
TA = –40 to +85
°
C
CL = 50 pF
Symbol
Parameter
VCC (V)
Min
Max
Min
Max
Unit
fMAX
Maximum Clock Frequency
(50% Duty Cycle)
5.0
110
110
MHz
tPLH,
tPHL
Propagation Delay
CLK to Qn, Qn
5.0
4.0
9.0
4.0
11
ns
tPV
Propagation Delay Variation
CLK to Qn, Qn (see Note 1)
5.0
3.0
3.0
ns
tPS
Propagation Delay Skew (Qn, Qn)
|tPHL Actual – tPLH Actual|
5.0
1.0
1.0
ns
tOS
Output–to–Output Skew (Qn, Qn)
|tp Qn – tp Qm| (see Note 2)
5.0
1.0
1.0
ns
trise
tfall
1. For a given set of conditions (i.e., capacitive load, temperature and VCC) the variation from device to device is guaranteed to be less than or
equal to the maximum.
2. Where tp Qn and tp Qm are the actual propagation delays (any combination of HIGH or LOW) for any two separate outputs from a given high
transition of CLK.
Rise/Fall Time for Qn, Qn
(0.2 x VCC to 0.8 x VCC)
5.0
3.0
4.0
ns
AC OPERATING REQUIREMENTS
TA = 25
°
C
CL = 50 pF
TA = –40 to +85
°
C
CL = 50 pF
Symbol
Parameter
VCC (V)
Min
Max
Min
Max
Unit
tW
CLK Pulse Width (HIGH to LOW)
5.0
3.0
3.0
ns
tSU
Minimum Setup Time, HIGH or LOW SRB to Clock
5.0
3.5
3.5
ns
tHD
Minimum Hold Time, HIGH or LOW SRB to Clock
5.0
1.0
1.0
ns
CAPACITANCE
Symbol
Parameter
Typ
Unit
Condition
CIN
Input Capacitance
4.5
pF
VCC = 5.0V
CPD
Power Dissipation Capacitance
30
pF
VCC = 5.0V
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