VCMR V
參數(shù)資料
型號(hào): ASM2I9940LG-32LT
廠商: ON Semiconductor
文件頁(yè)數(shù): 8/10頁(yè)
文件大?。?/td> 0K
描述: IC CLK BUFFER 2:18 250MHZ 32LQFP
標(biāo)準(zhǔn)包裝: 250
類型: 扇出緩沖器(分配)
電路數(shù): 1
比率 - 輸入:輸出: 2:18
差分 - 輸入:輸出: 是/無(wú)
輸入: LVCMOS,LVPECL
輸出: LVCMOS
頻率 - 最大: 250MHz
電源電壓: 2.375 V ~ 3.465 V
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 32-LQFP
供應(yīng)商設(shè)備封裝: 32-LQFP(7x7)
包裝: 托盤
ASM2I9940L
http://onsemi.com
7
V
÷2
CC
PECL_CLK
GND
V
Q
PP
VCMR
VCC
tPD
PECL_CLK
Figure 5. Propagation Delay (tPD) Test Reference
V
÷2
GND
V
CC
LVCMOS_CLK
Q
V
CC
t
CC
V
PD
÷2
CC
GND
Figure 6. LVCMOS Propagation Delay (tPD) Test Reference
The time from the PLL controlled edge to the
V
non-controlled edge, divided by the time
between PLL controlled edges, expressed as a
percentage.
V
CC
÷2
GND
DC (t
CC
÷T
P
Χ 100%)
t
0
T
P
0
Figure 7. Output Duty Cycle (DC)
t
V
SK(O)
V
OH
÷2
GND
V
CC
V
CC
÷2
GND
CC
The pin-to-pin skew is defined as the worst case
difference in propagation delay between any similar
delay path within a single device
Figure 8. Output–to–Output Skew tSK(O)
tR
V
= 3.3V V
CC
= 2.5V
CC
2.4
1.8V
0.55
tF
Figure 9. Output Transition Time Test Reference
tR
V
= 3.3V V
CC
= 2.5V
CC
2.0
0.8
tF
Figure 10. Input Transition Time Test Reference
0.6V
1.7V
0.7V
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