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W48C54A 데이터시트 PDF




Cypress Semiconductor에서 제조한 전자 부품 W48C54A은 전자 산업 및 응용 분야에서
광범위하게 사용되는 반도체 소자입니다.


 

PDF 형식의 W48C54A 자료 제공

부품번호 W48C54A 기능
기능 Frequency Synthesizers
제조업체 Cypress Semiconductor
로고 Cypress Semiconductor 로고


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W48C54A 데이터시트, 핀배열, 회로
A
W48C54A/55A
Frequency Synthesizers
Features
• Proprietary crystal oscillator circuitry provides low
REFOUT jitter, excellent duty cycle
• Power-on delay feature ensures full VDD is reached prior
to output activation
• 3.3V and 5V operation supported including the VRE
(Voltage Regulated Extended) specification for
Pentium® processor
• Pin and function compatible with AV9154/AV9155
• Integral PLL loop filter components ensures stable PLL
operation in noisy system environment
Block Diagram
• Smooth frequency transition of CPU and 2XCPU
outputs
• Compatible with Intel X86 and other high-performance
processors
• Up to eight outputs for CPU and peripherals
• Supports Green PC and notebook designs
• Custom options available with metal layer change
• High-performance, low-power CMOS
• Available in 16- (150-mil) and 20-pin SOIC package
(300-mil)
Pin Configurations
14.318 MHz
Xtal X1
X2
VDD
XTAL
OSC
PD
PLL1
14.318 MHz
Fixed
Outputs
NC 1 16 NC
X2 2 15 47.059MHz
X1 3 14 NC
VDD 4 13 VDD
GND 5 12 GND
NC 6 11 REF(20MHz)
32MHz 7 10 NC
GND
8
9 OE
FS2:0
PLL2
2XCPU
CPU
GND
OE
FS0 1 16 FS1
X2 2 15 CPU
X1 3 14 NC
VDD 4 13 VDD
GND 5 12 GND
40MHz 6 11 REF(20MHz)
32MHz 7 10 NC
GND
8
9 OE
1.843MHz 1 16 FS1
X2 2 15 FS0
X1 3 14 CPU
VDD 4 13 VDD
GND 5 12 GND
24MHz 6 11 14.318MHz
12MHz 7 10 PD
GND
8
9 OE
Intel and Pentium are registered trademarks of Intel Corporation.
1.843MHz
X2
X1
VDD
GND
16MHz
24MHz
12MHz
GND
0E
1
2
3
4
5
6
7
8
9
10
20 FS0
19 FS1
18 CPUCLK
17 2XCPUCLK
16 VDD
15 GND
14 14.318MHz
13 14.318MHz
12 PD
11 FS2
Cypress Semiconductor Corporation • 3901 North First Street • San Jose • CA 95134 • 408-943-2600
September 28 1999, rev. **




W48C54A pdf, 반도체, 판매, 대치품
W48C54A/55A
Absolute Maximum Ratings
Stresses greater than those listed in this table may cause per-
manent damage to the device. These represent a stress rating
only. Operation of the device at these or any other conditions
above those specified in the operating sections of this specifi-
cation is not implied. Maximum conditions for extended peri-
ods may affect reliability.
Parameter
VDD
TSTG
TA
VIN
PD
Description
VDD referenced to GND
Storage Temperature
Operating Temperature
V on I/O ref to GND
Power Dissipation
Rating
7.0
40 to +150
0 to +70
GND5.0 to VDD+5.0
0.5
Unit
V
°C
°C
V
W
Electrical Characteristics
)
5.0V DC Characteristics (0°C < TA < 70°C, VDD = 5.0V±10%)
Parameter
Description
Test Condition
Min Typ Max
VIL
VIH
IIL
IIH
VOL
VOH
VOH
IDD
FD
ISC
IDDSTBY
Input Low Voltage
Input High Voltage
Input Low Current[2]
Input High Current
Output Low Voltage
Output High Voltage
Output High Voltage
Supply Current[3]
Output Frequency Change[4]
Short Circuit Current
Supply Current, Power
Down[5]
VDD = 5.0V
VDD = 5.0V
VIN = 0V
VIN = VDD
IOL = 4 mA
IOH = 1 mA, VDD=5V
IOH = 4 mA, VDD=5V
No load
Over supply and temperature
Each output clock
2.0
VDD0.4
VDD0.8
25
25
0.002
40
300
0.8
100
10
0.4
40
0.01
CIN Input Capacitance
Except pins X1, X2
10
CL Load Capacitance
Pins X1 and X2
20
RP
Pull-up Resistor Value
Except X1, X2
250
Notes:
2. Includes pull-up resistor.
3. No output load capacitance, CPU or 2XCPU running at 50 MHz. Power supply current can change with different mask configuration.
4. Consideration of reference crystal shift only.
5. With full chip power-down pin LOW.
Unit
V
V
µA
µA
V
V
V
mA
%
mA
µA
pF
pF
k
4

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W48C54A 전자부품, 판매, 대치품
Package Diagrams
20-Pin Small Outline Integrated Circuit (SOIC, 300-mil)
W48C54A/55A
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관련 데이터시트

부품번호상세설명 및 기능제조사
W48C54A

Frequency Synthesizers

Cypress Semiconductor
Cypress Semiconductor

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