参数资料
型号: 5V2528APGI
厂商: INTEGRATED DEVICE TECHNOLOGY INC
元件分类: 时钟及定时
英文描述: 5V SERIES, PLL BASED CLOCK DRIVER, 10 TRUE OUTPUT(S), 0 INVERTED OUTPUT(S), PDSO28
封装: TSSOP-28
文件页数: 6/7页
文件大小: 333K
代理商: 5V2528APGI
6
INDUSTRIALTEMPERATURERANGE
IDT5V2528/A
2.5 / 3.3V PHASE-LOCK LOOP CLOCK DRIVER
From Output
Under Test
500
Ω
CL=30pF(2)
CLK
tPHASE ERROR
FBIN
VDDQ/2
tSK1(o)
Any Y, TY (3.3V)
Any TY (2.5V)
tSK2(o)
VDDQ/2
Any TY (2.5V)
VDDQ/2
tSK3(o)
tR
80%
20%
tF
80%
20%
tR
VDD/2
FBOUT
or
Any Y, TY (3.3V)
From Output
Under Test
500
Ω
CL=20pF(2)
Y, TY
CF
FBIN
CLK
IDT5V2528/A
FBOUT
PCBTRACE
CL (2)
500
Ω
on each Y,
TY output
(4)
500
Ω
TEST CIRCUIT AND VOLTAGE WAVEFORMS
PHASE ERROR AND SKEW CALCULATIONS(3,4)
Test Circuit for 3.3V Outputs
Test Circuit for 2.5V Outputs
NOTES:
1. All inputs pulses are supplied by generators having the following characteristics: PRR
≤ 100MHz ZO = 50Ω, tR ≤ 1.2 ns, tF ≤ 1.2 ns.
2. CL includes probe and jig capacitance.
3. The outputs are measured one at a time with one transition per measurement.
4. Phase error measurements require equal loading at outputs Y, TY, and FBOUT. CF = CL – CFBIN – CPCBtrace; CFBIN
5pF.
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