參數(shù)資料
型號(hào)： CY2276A-21
廠商： Cypress Semiconductor Corp.
英文描述： PentiumII Clock Synthesizer/Driver for Desktop PCs with Intel 82440LX and 3SO- DIMMs(帶英特爾82440LX 和3SO-DIMM的應(yīng)用于桌上型PC機(jī)的奔騰II時(shí)鐘合成器/驅(qū)動(dòng)器)
中文描述： PentiumII時(shí)鐘合成器/桌面電腦與英特爾82440LX和3SO - DIMM內(nèi)存（帶英特爾82440LX和3SO - DIMM內(nèi)存的應(yīng)用于桌上型電腦機(jī)的奔騰二時(shí)鐘合成器/驅(qū)動(dòng)器驅(qū)動(dòng)程序）
文件頁(yè)數(shù)： 6/13頁(yè)
文件大?。?/td> 205K
代理商： CY2276A-21
CY2276A-21
CY2276A-31
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
[3]
Parameter
AV
DD
, V
DDQ3
V
DDCPU
V
DDQ2
T
A
C
L
Description
Min.
3.135
2.375
2.375
0
Max.
3.465
2.9
2.9
70
Unit
V
V
V
°
C
pF
Analog and Digital Supply Voltage
CPU Supply Voltage
IOAPIC Supply Voltage
Operating Temperature, Ambient
Max. Capacitive Load on
CPUCLK, USBCLK, IOCLK, REF[1:2], IOAPIC[0:1]
PCICLK, SDRAM
REF0
Reference Frequency, Oscillator Nominal Value
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
[4]
V
DDCPU
= 2.375V, V
DDQ2
= 2.375V
Except Crystal Inputs
Except Crystal Inputs
I
2
C inputs only
V
V
V
V
I
OH
= 16 mA CPUCLK
I
OH
= 18 mA IOAPIC
I
OL
= 27 mA
I
OL
= 29 mA
I
OH
= 36 mA SDRAM
I
OH
= 32 mA PCICLK
I
OH
= 36 mA REF0
I
OL
= 29 mA
I
OL
= 26 mA
I
OL
= 29 mA
V
OL
Low-level Output Voltage
[4]
V
DDCPU
= 2.375V, V
DDQ2
= 2.375V
CPUCLK
IOAPIC
0.4
V
V
OH
High-level Output Voltage
[4]
V
DDQ3
, AV
DD
, V
DDCPU
= 3.135V
2.4
V
V
OL
Low-level Output Voltage
[4]
V
DDQ3
, AV
DD
, V
DDCPU
= 3.135V
SDRAM
PCICLK
REF0
0.4V
V
I
IH
I
IL
I
OZ
I
DD
Input High Current
Input Low Current
Output Leakage Current
Power Supply Current
[4]
V
IH
= V
DD
V
IL
= 0V
Three-state
V
DD
= 3.465V, V
IN
= 0 or V
DD
, Loaded Outputs,
CPU clocks = 66.67 MHz
V
DD
= 3.465V, V
IN
= 0 or V
DD
, Unloaded Outputs
–5
+5
5
+10
310
μ
A
μ
A
μ
A
mA
–10
I
DD
Notes:
3.
4.
Power Supply Current
[4]
130
mA
Electrical parameters are guaranteed with these operating conditions.
Parameter guaranteed by design and characterization. Not 100% tested in production.
相關(guān)PDF資料
PDF描述
CY2276A-31 PentiumII Clock Synthesizer/Driver for Desktop PCs with Intel 82440LX and 3SO- DIMMs(帶英特爾82440LX 和3SO-DIMM的應(yīng)用于桌上型PC機(jī)的奔騰II時(shí)鐘合成器/驅(qū)動(dòng)器)
CY2278A PentiumII Clock Synthesizer/Driver for Mobile PCs with Intel 82430TX and No SDRAM(帶英特爾82430TX和2個(gè)DIMM 或3個(gè)SO-DIMM 的應(yīng)用于移動(dòng)PC機(jī)的奔騰II6x86, K6 時(shí)鐘合成器/驅(qū)動(dòng)器)
CY22800-082A Universal Programmable Clock Generator (UPCG)
CY22800 Universal Programmable Clock Generator (UPCG)
CY22800_07 Universal Programmable Clock Generator (UPCG)
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