參數(shù)資料
型號: ICS951901yFLF-T
英文描述: Programmable Frequency Generator & Integrated Buffers for Pentium III Processor
中文描述: 可編程頻率發(fā)生器
文件頁數(shù): 8/19頁
文件大?。?/td> 180K
代理商: ICS951901YFLF-T
8
ICS951901
0670B—07/15/04
Absolute Maximum Ratings
Supply Voltage. . . . . . . . . . . . . . . . . . . . . . . . . 5.5 V
Logic Inputs . . . . . . . . . . . . . . . . . . . . . . . . . . . GND –0.5 V to V
DD
+0.5 V
Ambient Operating Temperature . . . . . . . . . . 0°C to +70°C
Case Temperature . . . . . . . . . . . . . . . . . . . . . . 115°C
Storage Temperature. . . . . . . . . . . . . . . . . . . . –65°C to +150°C
Stresses above those listed under Absolute Maximum Ratingsmay cause permanent damage to the device. These
ratings are stress specifications only and functional operation of the device at these or any other conditions above those
listed in the operational sections of the specifications is not implied. Exposure to absolute maximum rating conditions
for extended periods may affect product reliability.
Electrical Characteristics - Input/Supply/Common Output Parameters
TA = 0 - 70°C; Supply Volt age VDD = 3.3 V +/-5%VDDL = 2.5 V +/-5% (unless otherwise stated)
PARAMETER
SYMBOL
CONDITIONS
Input High Voltage
V
IH
Input Low Voltage
V
IL
Supply Current
I
DD
C
L
=30 pF, CPU @ 66, 100 MHz
Power Down
PD
Input frequency
Fi
V
DD
= 3.3 V;
Input Capacitance
1
C
IN
Logic Inputs
C
INX
X1 & X2 pins
Transition Time
T
trans
To 1st crossing of target Freq.
Settling Time
T
S
From 1st crossing to 1% target Freq.
Clk Stabilization
1
T
STAB
From V
DD
= 3.3 V to 1% target Freq.
Skew
T
CPU-PCI
CPUV
T
= 1.5 V PCI V
T
=1.25V
Skew
T
CPU-SDRAM
CPUV
T
= 1.5 V SDRAM V
T
=1.25
1
Guaranteed by design, not 100% tested in production.
MIN
2
TYP
MAX
V
DD
+ 0.3
0.8
400
600
16
5
45
3
UNITS
V
V
mA
mA
MHz
pF
pF
V
SS
- 0.3
390
300
14.32
12
27
3
4
0
ms
ns
ps
1
1.9
-300
-500
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