參數(shù)資料
型號(hào): PI6C3991J
廠商: Pericom
文件頁(yè)數(shù): 4/11頁(yè)
文件大?。?/td> 0K
描述: IC PROG SKEW CLOCK DRIVER 32PLCC
標(biāo)準(zhǔn)包裝: 32
系列: SuperClock®
類(lèi)型: 時(shí)鐘緩沖器
PLL:
輸入: LVTTL
輸出: LVTTL
電路數(shù): 1
比率 - 輸入:輸出: 5:4
差分 - 輸入:輸出: 無(wú)/無(wú)
頻率 - 最大: 80MHz
除法器/乘法器: 是/是
電源電壓: 2.97 V ~ 3.63 V
工作溫度: 0°C ~ 70°C
安裝類(lèi)型: 表面貼裝
封裝/外殼: 32-LCC(J 形引線(xiàn))
供應(yīng)商設(shè)備封裝: 32-PLCC(11.43x13.97)
包裝: 管件
其它名稱(chēng): Q1006950
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2
PS8450D
11/12/08
PI6C3991
3.3V High-Speed, Low-Voltage Programmable
Skew Clock Buffer - SuperClock
Pin Descriptions
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Table 1. Frequency Range Select and tU Calculation(1)
1
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Table 2. Programmable Skew Configurations(1)
Notes:
1. For all three-state inputs, HIGH indicates a connection to VCC, LOW indicates a connection to GND, and MID indicates an
open connection. Internal termination circuitry holds an unconnected input to VCC/2.
2. The level to be set on FS is determined by the “normal” operating frequency (fNOM) and Time Unit Generator
(see Logic Block Diagram). Nominal frequency (fNOM) always appears at 1Q0 and the other outputs when they are operated in
their undivided modes (see Table 2). The frequency appearing at the REF and FB inputs will be f NOM when the output connected
to FB is undivided. The frequency of the REF and FB inputs will be fNOM/2 or fNOM/4 when the part is configured for a frequency
multiplication by using a divided output as the FB input.
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