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参数资料
| 型号： | CY2273A |
| 厂商： | Cypress Semiconductor Corp. |
| 英文描述： | Pentium㈢/II, 6x86, K6 Clock Synthesizer/Driver for Desktop PCs with Intel 82430TX, 82440LX or ALI IV/IV+, AGP and 3 DIMMs |
| 中文描述： | 奔腾㈢/ 2，6x86，K6时钟合成器/与英特尔82430TX，82440LX或阿里四/四，AGP和3个DIMM台式机驱动 |
| 文件页数： | 6/14页 |
| 文件大小： | 178K |
| 代理商： | CY2273A |
CY2273A
6
Maximum Ratings
(Above which the useful life may be impaired. For user guide-
lines, not tested.)
Supply Voltage..................................................–0.5 to +7.0V
Input Voltage..............................................–0.5V to V
DD
+0.5
Storage Temperature (Non-Condensing) ... –65
°
C to +150
°
C
Max. Soldering Temperature (10 sec) ...................... +260
°
C
Junction Temperature............................................... +150
°
C
Package Power Dissipation .............................................. 1W
Static Discharge Voltage ...........................................>2000V
(per MIL-STD-883, Method 3015, like V
DD
pins tied together)
Operating Conditions
[6]
Parameter
AV
DD
, V
DDQ3
V
DDCPU
Description
Min.
3.135
2.375
3.135
2.375
0
Max.
3.465
2.9
3.465
2.9
70
Unit
V
V
Analog and Digital Supply Voltage
CPU Supply Voltage
V
DDQ2
T
A
C
L
IOAPIC Supply Voltage
Operating Temperature, Ambient
Max. Capacitive Load on
CPUCLK, USBCLK, IOAPIC
PCICLK, AGP(-2 only), SDRAM
REF0
Reference Frequency, Oscillator Nominal Value
V
°
C
pF
10
30, 20
20
14.318
20
30
45
f
(REF)
14.318
MHz
Electrical Characteristics
Over the Operating Range
Parameter
V
IH
V
IL
V
ILiic
V
OH
Description
Test Conditions
Min. Max. Unit
2.0
0.8
0.7
2.0
High-level Input Voltage
Low-level Input Voltage
Low-level Input Voltage
High-level Output Voltage
Except Crystal Inputs
Except Crystal Inputs
I
2
C inputs only
V
DDCPU
= V
DDQ2
= 2.375V
V
V
V
V
I
OH
= 16 mA CPUCLK
I
OH
= 18 mA IOAPIC
I
OL
= 27 mA
I
OL
= 29 mA
I
OH
= 16 mA CPUCLK
I
OH
= 36 mA SDRAM
I
OH
= 32 mA PCICLK
I
OH
= 26 mA USBCLK
I
OH
= 36 mA REF0
I
OL
= 27 mA
I
OL
= 29 mA
I
OL
= 26 mA
I
OL
= 21 mA
I
OL
= 29 mA
V
OL
Low-level Output Voltage
V
DDCPU
= V
DDQ2
= 2.375V
CPUCLK
IOAPIC
0.4
V
V
OH
High-level Output Voltage
V
DDQ3
, AV
DD
, V
DDCPU
= 3.135V
2.4
V
V
OL
Low-level Output Voltage
V
DDQ3
, AV
DD
, V
DDCPU
= 3.135V
CPUCLK
SDRAM
PCICLK
USBCLK
REF0
0.4V
V
I
IH
I
IL
I
OZ
I
DD
I
DD
I
DDS
Notes:
6.
7.
Input High Current
Input Low Current
Output Leakage Current
Power Supply Current
[7]
Power Supply Current
[7]
Power-down Current
V
IH
= V
DD
V
IL
= 0V
Three-state
V
DD
= 3.465V, V
IN
= 0 or V
DD
, Loaded Outputs, CPU = 66.67 MHz
V
DD
= 3.465V, V
IN
= 0 or V
DD
, Unloaded Outputs
Current draw in power-down state
–10
+10
10
+10
300
120
500
μ
A
μ
A
μ
A
mA
mA
μ
A
–10
Electrical parameters are guaranteed with these operating conditions.
Power supply current will vary with number of outputs which are running.
相关PDF资料 |
PDF描述 |
|---|---|
| CY2273A-1 | Pentium㈢/II, 6x86, K6 Clock Synthesizer/Driver for Desktop PCs with Intel 82430TX, 82440LX or ALI IV/IV+, AGP and 3 DIMMs |
| CY2273A-2 | Pentium㈢/II, 6x86, K6 Clock Synthesizer/Driver for Desktop PCs with Intel 82430TX, 82440LX or ALI IV/IV+, AGP and 3 DIMMs |
| CY2273A-3 | Pentium㈢/II, 6x86, K6 Clock Synthesizer/Driver for Desktop PCs with Intel 82430TX, 82440LX or ALI IV/IV+, AGP and 3 DIMMs |
| CY2273A-4 | Pentium㈢/II, 6x86, K6 Clock Synthesizer/Driver for Desktop PCs with Intel 82430TX, 82440LX or ALI IV/IV+, AGP and 3 DIMMs |
| CY2273APVC-2 | Pentium㈢/II, 6x86, K6 Clock Synthesizer/Driver for Desktop PCs with Intel 82430TX, 82440LX or ALI IV/IV+, AGP and 3 DIMMs |
相关代理商/技术参数 |
参数描述 |
|---|---|
| CY2273A-1 | 制造商:CYPRESS 制造商全称:Cypress Semiconductor 功能描述:Pentium㈢/II, 6x86, K6 Clock Synthesizer/Driver for Desktop PCs with Intel 82430TX, 82440LX or ALI IV/IV+, AGP and 3 DIMMs |
| CY2273A-2 | 制造商:CYPRESS 制造商全称:Cypress Semiconductor 功能描述:Pentium㈢/II, 6x86, K6 Clock Synthesizer/Driver for Desktop PCs with Intel 82430TX, 82440LX or ALI IV/IV+, AGP and 3 DIMMs |
| CY2273A-3 | 制造商:CYPRESS 制造商全称:Cypress Semiconductor 功能描述:Pentium㈢/II, 6x86, K6 Clock Synthesizer/Driver for Desktop PCs with Intel 82430TX, 82440LX or ALI IV/IV+, AGP and 3 DIMMs |
| CY2273A-4 | 制造商:CYPRESS 制造商全称:Cypress Semiconductor 功能描述:Pentium㈢/II, 6x86, K6 Clock Synthesizer/Driver for Desktop PCs with Intel 82430TX, 82440LX or ALI IV/IV+, AGP and 3 DIMMs |
| CY2273APVC-1 | 制造商:Cypress Semiconductor 功能描述: |
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