參數(shù)資料
型號(hào): 935264404112
廠商: NXP SEMICONDUCTORS
元件分類(lèi): 時(shí)鐘及定時(shí)
英文描述: PLL BASED CLOCK DRIVER, 9 TRUE OUTPUT(S), 0 INVERTED OUTPUT(S), PDSO24
封裝: 4.40 MM, PLASTIC, MO-153, SOT-355-1, TSSOP-24
文件頁(yè)數(shù): 8/10頁(yè)
文件大?。?/td> 79K
代理商: 935264404112
Philips Semiconductors
Product specification
PCK2509S
50–150 MHz 1:9 SDRAM clock driver
2001 Feb 02
7
PARAMETER MEASUREMENT INFORMATION
SW00384
3V
0V
VOH
VOL
OUTPUT
INPUT
50% VCC
tf
tr
2 V
0.4 V
2 V
0.4 V
FROM OUTPUT
UNDER TEST
30 pF
500
LOAD CIRCUIT FOR OUTPUTS
VOLTAGE WAVEFORMS & PHASE ERROR TIMES
NOTES:
1. CL includes probe and jig capacitance.
2. All input pulses are supplied by generators having the following characteristics: PRR
≤ 100 MHz, ZO = 50 , tr ≤ 1.2 ns, tf
1.2 ns.
3. The outputs are measured one at a time with one transition per measurement.
tpe
Figure 1. Load Circuit and Voltage Waveforms
FBIN
CLKIN
tphase error
FBOUT
ANY Y
tSK(0)
ANY Y
tSK(0)
SW00385
Figure 2. Phase Error and Skew Calculations
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