參數(shù)資料
型號: MC88916
廠商: Motorola, Inc.
英文描述: LOW SKEW CMOS PLL CLOCK DRIVER WITH PROCESSOR RESET
中文描述: 低偏移的CMOS PLL時鐘驅(qū)動器,帶有處理器復(fù)位
文件頁數(shù): 7/9頁
文件大?。?/td> 114K
代理商: MC88916
MC88916
TIMING SOLUTIONS
BR1333 — REV 5
7
MOTOROLA
Figure 3. MC68040 PCLK Input Termination Scheme
88916
2X_Q
OUTPUT
68040
PCLK
CLOCK
INPUT
Rs = Zo – 7
Rs
Zo (CLOCK
TRACE)
Figure 5. Logical Representation of the MC88916 With
Input/Output Frequency Relationships
2X_Q
Q0
Q1
Q2
Q3
Q/2
RST_OUT
SYNC
MR
PLL_EN
RST_IN
16.5MHz
CRYSTAL
OSCILLATOR
66MHz PCLK OUTPUT
33MHz
B–CLOCK
AND SYSTEM
OUTPUTS
ANALOG GND
CL
VCC
1K
RST_OUT PIN
INTERNAL
LOGIC
Figure 4. RST_OUT Test Circuit
RP
RP = 1.5Zo
Figure 6. Output/Input Switching Waveforms and Timing Relationships
SYNC Input
Q0–Q2 Outputs
Q3 Output
2X_Q Output
Q/2 Output
tCYCLE SYNC Input
tSKEWall
tSKEWf
tSKEWr
tSKEWf
tSKEWr
tCYCLE ‘Q’ Outputs
Timing Notes
1. The MC88916 aligns rising edges of the outputs and the SYNC input, therefore the SYNC input does not require a 50%
duty cycle.
2. All skew specs are measured between the VCC/2 crossing point of the appropriate output edges. All skews are specified as
‘windows’, not as a
±
deviation around a center point.
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MC88916DW 制造商:MOTOROLA 制造商全稱:Motorola, Inc 功能描述:LOW SKEW CMOS PLL CLOCK DRIVER WITH PROCESSOR RESET
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MC88916DW80 功能描述:IC DRIVER CLK PLL 80MHZ 20-SOIC RoHS:否 類別:集成電路 (IC) >> 時鐘/計時 - 專用 系列:- 標(biāo)準(zhǔn)包裝:1,500 系列:- 類型:時鐘緩沖器/驅(qū)動器 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
MC88916DWR2 制造商:MOTOROLA 制造商全稱:Motorola, Inc 功能描述:LOW SKEW CMOS PLL CLOCK DRIVER WITH PROCESSOR RESET
MC88916EG70 功能描述:IC PLL CLOCK DRIVER 20-SOIC RoHS:是 類別:集成電路 (IC) >> 時鐘/計時 - 專用 系列:- 標(biāo)準(zhǔn)包裝:1,500 系列:- 類型:時鐘緩沖器/驅(qū)動器 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