参数资料
型号: IDTCSPT857DPAG8
厂商: IDT, Integrated Device Technology Inc
文件页数: 12/15页
文件大小: 0K
描述: IC PLL CLK DVR SDRAM 48-TSSOP
标准包装: 2,000
类型: 时钟缓冲器/驱动器,零延迟缓冲器,多路复用器
PLL:
主要目的: 存储器,DDR,SDRAM
输入: 时钟
输出: 时钟
电路数: 1
比率 - 输入:输出: 1:10
差分 - 输入:输出: 是/是
频率 - 最大: 220MHz
电源电压: 2.3 V ~ 2.7 V
工作温度: 0°C ~ 70°C
安装类型: 表面贴装
封装/外壳: 48-TFSOP(0.240",6.10mm 宽)
供应商设备封装: 48-TSSOP
包装: 带卷 (TR)
其它名称: CSPT857DPAG8
6
COMMERCIALTEMPERATURERANGE
IDTCSPT857D
2.5V - 2.6V PLL DIFFERENTIAL 1:10 SDRAM CLOCK DRIVER
NOTES:
1. H = HIGH Voltage Level
L = LOW Voltage Level
Z = High-Impedance OFF-State
X = Don't Care
2. AVDD nominal is 2.5V for PC1600, PC2100, and PC2700. AVDD nominal is 2.6V for PC3200.
3. Additional feature that senses when the clock input is less than approximately 20MHz and places the part in sleep mode. Reciever inputs and PLL are turned off and outputs
= tristate.
FUNCTION TABLE(1)
INPUTS
OUTPUTS
AVDD
PWRDWN
CLK
Y
FBOUT
PLL
GND
H
L
H
L
H
L
H
Bypassed/OFF
GND
H
L
H
L
H
L
Bypassed/OFF
X
L
H
Z
OFF
X
L
H
L
Z
OFF
Nominal(2)
HL
H
L
HL
H
O N
Nominal(2)
HH
L
H
L
H
L
O N
Nominal(2,3)
X
<20MHz
Z
OFF
DC ELECTRICAL CHARACTERISTICS OVER OPERATING RANGE FOR PC1600 -
PC2700
Following Conditions Apply Unless Otherwise Specified:
Commercial: TA = 0°C to +70°C
Symbol
Parameter
Conditions
Min.
Typ.
Max.
Unit
VIK
Input Clamp Voltage (All Inputs)
VDDQ = 2.3V, II = -18mA
– 1.2
V
VIL(dc)
Static Input LOW Voltage
PWRDWN
– 0.3
0.7
V
VIH(dc)
Static Input HIGH Voltage
PWRDWN
1.7
VDDQ + 0.3
VIL(ac)
Dynamic Input LOW Voltage
CLK,
CLK, FBIN, FBIN
0.7
V
VIH(ac)
Dynamic Input HIGH Voltage
CLK,
CLK, FBIN, FBIN
1.7
VDDQ
VOL
Output LOW Voltage
AVDD/VDDQ = Min., IOL = 100
μA
0.1
V
AVDD/VDDQ = Min., IOL = 12mA
0.6
VOH
Output HIGH Voltage
AVDD/VDDQ = Min., IOH = -100
μAVDDQ – 0.1
V
AVDD/VDDQ = Min., IOH = -12mA
1.7
VIX
Input Differential Cross Voltage
VDDQ/2 – 0.2
VDDQ/2 + 0.2
V
VID(DC)(1)
DC Input Differential Voltage
0.36
VDDQ + 0.6
V
VID(AC)(1)
AC Input Differential Voltage
0.7
VDDQ + 0.6
V
IIN
InputCurrent
VDDQ = 2.7V, VI = 0V to 2.7V
±10
μA
IDDPD
Power-Down Current on VDDQ and AVDD
AVDD/VDDQ = Max., CLK = 0MHz or
PWRDWN = L
100
200
μA
IDDQ
Dynamic Power Supply Current on VDDQ
AVDD/VDDQ = Max., CLK = 200MHz, 120
Ω/14pF
320
360
mA
AVDD/VDDQ = Max., CLK = 170MHz, 120
Ω/14pF
250
300
IADD
Dynamic Power Supply Current on AVDD
AVDD/VDDQ = Max., CLK = 170MHz
12
mA
NOTE:
1. VID is the magnitude of the difference between the input level on CLK and the input level on
CLK.
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