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參數(shù)資料
| 型號(hào)： | CY28411ZXCT |
| 廠商： | Silicon Laboratories Inc |
| 文件頁數(shù)： | 2/18頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC CLOCK CK410M ALVISO 56TSSOP |
| 標(biāo)準(zhǔn)包裝： | 2,000 |
| 類型： | 時(shí)鐘/頻率發(fā)生器 |
| PLL： | 是 |
| 主要目的： | Intel CPU 服務(wù)器 |
| 輸入： | LVTTL，晶體 |
| 輸出： | HCSL，LVCMOS |
| 電路數(shù)： | 1 |
| 比率 - 輸入:輸出： | 3:19 |
| 差分 - 輸入:輸出： | 無/是 |
| 頻率 - 最大： | 133MHz |
| 電源電壓： | 3.135 V ~ 3.465 V |
| 工作溫度： | 0°C ~ 85°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 56-TFSOP（0.240"，6.10mm 寬） |
| 供應(yīng)商設(shè)備封裝： | 56-TSSOP |
| 包裝： | 帶卷 (TR) |
| 其它名稱： | SLCY28411ZXCT |
CY28411
...................... Document #: 38-07594 Rev. *B Page 10 of 18
CPU_STP# Assertion
The CPU_STP# signal is an active low input used for
synchronous stopping and starting the CPU output clocks
while the rest of the clock generator continues to function.
When the CPU_STP# pin is asserted, all CPU outputs that are
set with the SMBus configuration to be stoppable via assertion
of CPU_STP# will be stopped within two–six CPU clock
periods after being sampled by two rising edges of the internal
CPUC clock. The final states of the stopped CPU signals are
CPUT = HIGH and CPUC = LOW. There is no change to the
output drive current values during the stopped state. The
CPUT is driven HIGH with a current value equal to 6 x (Iref),
and the CPUC signal will be Hi-Z.
CPU_STP# Deassertion
The deassertion of the CPU_STP# signal will cause all CPU
outputs that were stopped to resume normal operation in a
synchronous manner. Synchronous manner meaning that no
short or stretched clock pulses will be produce when the clock
resumes. The maximum latency from the deassertion to active
outputs is no more than two CPU clock cycles.
CPU_STP#
CPUT
CPUC
Figure 5. CPU_STP# Assertion Waveform
CPU_STP#
CPUT
CPUC
CPUT Internal
Tdrive_CPU_STP#,10nS>200mV
CPUC Internal
Figure 6. CPU_STP# Deassertion Waveform
DOT96C
DOT96T
CPUC(Stoppable)
CPUT(Stoppable)
CPUC(Free Running
CPUT(Free Running
PD
1.8mS
CPU_STOP#
Figure 7. CPU_STP#= Driven, CPU_PD = Driven, DOT_PD = Driven
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| CY28412OXC | 功能描述:IC CLOCK GEN GRANTSDALE 56-SSOP RoHS:是 類別:集成電路 (IC) >> 時(shí)鐘/計(jì)時(shí) - 專用 系列:- 標(biāo)準(zhǔn)包裝:1,500 系列:- 類型:時(shí)鐘緩沖器/驅(qū)動(dòng)器 PLL:是 主要目的:- 輸入:- 輸出:- 電路數(shù):- 比率 - 輸入:輸出:- 差分 - 輸入:輸出:- 頻率 - 最大:- 電源電壓:3.3V 工作溫度:0°C ~ 70°C 安裝類型:表面貼裝 封裝/外殼:28-SSOP（0.209"，5.30mm 寬） 供應(yīng)商設(shè)備封裝:28-SSOP 包裝:帶卷 (TR) 其它名稱:93786AFT |
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