参数资料
型号: ICS87004AGILFT
厂商: IDT, Integrated Device Technology Inc
文件页数: 13/15页
文件大小: 0K
描述: IC CLOCK GEN ZD 1:4 24-TSSOP
标准包装: 2,500
系列: HiPerClockS™
类型: 时钟发生器,扇出配送,多路复用器,零延迟缓冲器
PLL: 带旁路
输入: HCSL,LVDS,LVHSTL,LVPECL,SSTL
输出: LVCMOS,LVTTL
电路数: 1
比率 - 输入:输出: 2:4
差分 - 输入:输出: 是/无
频率 - 最大: 250MHz
除法器/乘法器: 是/是
电源电压: 2.375 V ~ 3.465 V
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 24-TSSOP(0.173",4.40mm 宽)
供应商设备封装: 24-TSSOP
包装: 带卷 (TR)
其它名称: 87004AGILFT
ICS87004AG REVISION C DECEMBER 1, 2009
7
2009 Integrated Device Technology, Inc.
ICS87004 Data Sheet
1:4, DIFFERENTIAL-TO-LVCMOS/LVTTL ZERO DELAY CLOCK GENERATOR
AC Electrical Characteristics
Table 5A. AC Characteristics, VDD = VDDO = 3.3V ± 5%, TA = 0°C to 70°C
NOTE: Electrical parameters are guaranteed over the specified ambient operating temperature range, which is established when the device is
mounted in a test socket with maintained transverse airflow greater than 500 lfpm. The device will meet specifications after thermal equilibrium
has been reached under these conditions.
NOTE 1: Measured from the differential input crossing point to the output at VDDO/2.
NOTE 2: Defined as the time difference between the input reference clock and the average feedback input signal when the PLL is locked and
the input reference frequency is stable.
NOTE 3: Defined as skew between outputs at the same supply voltage and with equal load conditions. Measured at VDDO/2.
NOTE 4: This parameter is defined in accordance with JEDEC Standard 65.
Table 5B. AC Characteristics, VDD = VDDO = 2.5V ± 5%, TA = 0°C to 70°C
NOTE: Electrical parameters are guaranteed over the specified ambient operating temperature range, which is established when the device is
mounted in a test socket with maintained transverse airflow greater than 500 lfpm. The device will meet specifications after thermal equilibrium
has been reached under these conditions.
NOTE 1: Measured from the differential input crossing point to the output at VDDO/2.
NOTE 2: Defined as the time difference between the input reference clock and the average feedback input signal, when the PLL is locked and
the input reference frequency is stable.
NOTE 3: Defined as skew between outputs at the same supply voltage and with equal load conditions. Measured at VDDO/2.
NOTE 4: This parameter is defined in accordance with JEDEC Standard 65.
Symbol
Parameter
Test Conditions
Minimum
Typical
Maximum
Units
fMAX
Output Frequency
15.625
250
MHz
tPD
Propagation Delay;
NOTE 1
CLK0, nCLK0
CLK1, nCLK1
PLL_SEL = 0V, f
≤ 250MHz,
Qx ÷ 2
56.2
ns
t()
Static Phase Offset;
NOTE 2, 4
CLK0, nCLK0
PLL_SEL = 3.3V,
fREF ≤ 167MHz, Qx ÷ 1
-75
50
175
ps
CLK1, nCLK1
-190
-65
175
ps
tsk(o)
Output Skew;
NOTE 3, 4
CLK0, nCLK0
CLK1, nCLK1
PLL_SEL = 0V
40
50
ps
tjit(cc)
Cycle-to-Cycle Jitter; NOTE 4
fOUT > 40MHz
30
45
ps
tL
PLL Lock Time
1ms
tR / tF
Output Rise/Fall Time
20% to 80%
400
800
ps
odc
Output Duty Cycle
40
50
60
%
Symbol
Parameter
Test Conditions
Minimum
Typical
Maximum
Units
fMAX
Output Frequency
15.625
250
MHz
tPD
Propagation Delay;
NOTE 1
CLK0, nCLK0
CLK1, nCLK1
PLL_SEL = 0V, f
≤ 250MHz,
Qx ÷ 2
5.3
6.9
ns
t()
Static Phase Offset;
NOTE 2, 4
CLK0, nCLK0
PLL_SEL = 2.5V,
fREF ≤ 167MHz, Qx ÷ 1
-175
-25
125
ps
CLK1, nCLK1
-290
-115
125
ps
tsk(o)
Output Skew;
NOTE 3, 4
CLK0, nCLK0
CLK1, nCLK1
PLL_SEL = 0V
40
45
ps
tjit(cc)
Cycle-to-Cycle Jitter; NOTE 4
fOUT > 40MHz
35
45
ps
tL
PLL Lock Time
1ms
tR / tF
Output Rise/Fall Time
20% to 80%
400
700
ps
odc
Output Duty Cycle
44
50
56
%
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