IDDPD3 3.3V Shutdown Current " />
參數(shù)資料
型號(hào)： CY28378OXC
廠商： Silicon Laboratories Inc
文件頁(yè)數(shù)： 7/21頁(yè)
文件大小： 0K
描述： IC CLOCK CK408/TITAN 845 48SSOP
標(biāo)準(zhǔn)包裝： 30
類(lèi)型： 時(shí)鐘/頻率發(fā)生器
PLL： 是
主要目的： Intel CPU 服務(wù)器
輸入： 晶體
輸出： HCSL，LVCMOS
電路數(shù)： 1
比率 - 輸入:輸出： 1:21
差分 - 輸入:輸出： 無(wú)/是
頻率 - 最大： 203MHz
電源電壓： 3.135 V ~ 3.465 V
工作溫度： 0°C ~ 70°C
安裝類(lèi)型： 表面貼裝
封裝/外殼： 48-BSSOP（0.295"，7.50mm 寬）
供應(yīng)商設(shè)備封裝： 48-SSOP
包裝： 管件
CY28378
...................... Document #: 38-07519 Rev. ** Page 15 of 21
IDDPD3
3.3V Shutdown Current
VDD_CORE/VDDQ3 = 3.465V
25
mA
AC Electrical Specifications[2]
Parameter
Output
Description
Test Conditions
Min.
Max.
Unit
t1
All
Output Duty Cycle[3]
t1A/(t1B)
45
55
%
t2
CPUT/C
Rise Time
Measured at 20% to 80% of Voh
175
800
ps
t2
48MHz, REF
Rising Edge Rate
Between 0.4V and 2.4V
0.5
2.0
V/ns
t2
PCI, 3V66,
Rising Edge Rate
Between 0.4V and 2.4V
1.0
4.0
V/ns
t3
CPUT/C
Fall Time
Measured at 80% to 20% of Voh
175
800
ps
t3
48MHz, REF
Falling Edge Rate
Between 2.4V and 0.4V
0.5
2.0
V/ns
t3
PCI, 3V66
Falling Edge Rate
Between 2.4V and 0.4V
0.7
4.0
V/ns
t4
CPUT/C
CPU-CPU Skew
Measured at Crossover
150
ps
t5
3V66 [0:1]
3V66-3V66 Skew
Measured at 1.5V
500
ps
t6
PCI
PCI-PCI Skew
Measured at 1.5V
500
ps
t7
3V66,PCI
3V66-PCI Clock Skew
3V66 leads. Measured at 1.5V
1.0
4.5
ns
t8
CPUT/C
Cycle-Cycle Clock Jitter
Measured at Crossover t8 = t8A – t8B
with all outputs running
600
ps
t9
3V66
Cycle-Cycle Clock Jitter
Measured at 1.5V t9 = t9A – t9B
600
ps
t9
48MHz
Cycle-Cycle Clock Jitter
Measured at 1.5V t9 = t9A – t9B
600
ps
t9
PCI
Cycle-Cycle Clock Jitter
Measured at 1.5V t9 = t9A – t9B
600
ps
t9
REF
Cycle-Cycle Clock Jitter
Measured at 1.5V t9 = t9A – t9B
1000
ps
CPUT/C, PCI
Settle Time
CPU and PCI clock stabilization from
power-up
3
ms
tRFM
CPUT/C
Rise/Fall Matching
Measured with test loads[4, 5]
30
VOVS
CPUT/C
Overshoot
Measured with test loads[5]
Voh + 0.2
V
VUDS
CPUT/C
Undershoot
Measured with test loads[5]
–0.2
V
VOH
CPUT/C
High-level Output Voltage Measured with test loads[5]
0.65
0.74
V
VOL
CPUT/C
Low-level Output Voltage
Measured with test loads[5]
0.0
0.05
V
VOX
CPUT/C
Crossover Voltage
Measured with test loads[5]
250
550
mv
Notes:
2. All parameters specified with loaded outputs.
3. Duty cycle is measured at 1.5V when VDD = 3.3V. When VDD = 2.5V, duty cycle is measured at 1.25V.
4. Determined as a fraction of 2*(Trp – Trn)/(Trp +Trn) Where Trp is a rising edge and Trp is an intersecting falling edge.
5. The test load is Rs = 33.2W, Rp = 49.9W in test circuit.
DC Electrical Specifications (continued)
Parameter
Description
Condition
Min.
Max.
Unit
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參數(shù)描述
CY28378OXCT 功能描述:時(shí)鐘發(fā)生器及支持產(chǎn)品 Sys Clk Pentium 4 & Intel Brookdale 845 RoHS:否 制造商:Silicon Labs 類(lèi)型:Clock Generators 最大輸入頻率:14.318 MHz 最大輸出頻率:166 MHz 輸出端數(shù)量:16 占空比 - 最大:55 % 工作電源電壓:3.3 V 工作電源電流:1 mA 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-56
CY28381 制造商:CYPRESS 制造商全稱:Cypress Semiconductor 功能描述:High-Performance SiS645DX/648DX/650/651 Intel Pentium 4 Clock Synthesizer
CY28381OC 制造商:Rochester Electronics LLC 功能描述:- Bulk 制造商:Cypress Semiconductor 功能描述:
CY28381OCT 制造商:CYPRESS 制造商全稱:Cypress Semiconductor 功能描述:High-Performance SiS645DX/648DX/650/651 Intel Pentium 4 Clock Synthesizer
CY28400 制造商:CYPRESS 制造商全稱:Cypress Semiconductor 功能描述:100-MHz Differential Buffer for PCI Express and SATA
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