参数资料
型号: ICS87159AGLF
厂商: IDT, Integrated Device Technology Inc
文件页数: 1/17页
文件大小: 0K
描述: IC CLOCK GEN 1-8 LVCMOS 56-TSSOP
标准包装: 34
系列: HiPerClockS™
类型: 时钟发生器
PLL:
输入: HCSL,LVDS,LVHSTL,LVPECL,SSTL
输出: HCSL,LVCMOS,LVTTL
电路数: 1
比率 - 输入:输出: 1:9
差分 - 输入:输出: 是/是
频率 - 最大: 600MHz
除法器/乘法器: 是/是
电源电压: 3.135 V ~ 3.465 V
工作温度: 0°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 56-TFSOP(0.240",6.10mm 宽)
供应商设备封装: 56-TSSOP
包装: 管件
其它名称: 800-1966-5
87159AGLF
ICS87159AGLF-ND
87159AG
www.idt.com
REV. B JULY 25, 2010
ICS87159
1-TO-8 LVPECL-TO-HCSL
÷1, ÷2, ÷4 CLOCK GENERATOR
1
GENERAL DESCRIPTION
The ICS87159 is a high performance 1-to-8 Differential-to-
HCSL/LVCMOS Clock Generator. The ICS87159 has one
differential input (which can accept LVDS, LVPECL,
LVHSTL, SSTL, HCSL), eight differential HCSL output pairs
and two complementary LVCMOS/LVTTL outputs.
The
eight HCSL output pairs can be configured for divide-by-1, 2,
and 4 or high impedance by use of select pins. The two
complementary LVCMOS/LVTTL outputs can be configured
for divide by 2, divide by 4, high impedance, or driven low for
low power operation.
The primary use of the ICS87159 is in *Intel E8870
chipsets that use *Intel Pentium 4 processors. The
ICS87159 converts the differential clock from the main
system clock into HCSL clocks used by *Intel Pentium 4
processors. However, the ICS87159 is a highly flexible,
general purpose device that operates up to 600MHz and
can be used in any situation where Differential-to-HCSL
translation is required.
FEATURES
Eight HCSL outputs
Two LVCMOS outputs
LVPECL clock input pair
PCLK, nPCLK supports the following input types:
LVDS, LVPECL, LVHSTL, SSTL, HCSL
Maximum output frequency: 600MHz
Output skew: 110ps (maximum)
Propagation delay: 3.6ns (maximum)
3.3V operating supply
0°C to 85°C ambient operating temperature
Industrial temperature information available upon request
Available in both standard and lead-free RoHS compliant
packages
BLOCK DIAGRAM
PIN ASSIGNMENT
GND_H
VDD_H
GND
VDD
VDD_R
PCLK
nPCLK
GND_R
VDD_M
MREF
nMREF
GND_M
VDD
GND
VDD_L
VDD
GND_L
SEL_T
MULT_0
MULT_1
VDD_L
GND_L
SEL_A
SEL_B
SEL_U
PWR_DWN#
VDD_H
GND_H
HOST_P1
HOST_N1
VDD
GND_H
VDD_H
HOST_P2
HOST_N2
GND_H
HOST_P3
HOST_N3
VDD_H
HOST_P4
HOST_N4
GND_H
HOST_P5
HOST_N5
VDD_H
HOST_P6
HOST_N6
GND_H
HOST_P7
HOST_N7
VDD_H
IREF
GND_I
VDD_I
HOST_P8
HOST_N8
56-Lead TSSOP
6.1mm x 14.0mm x .92mm body package
G Package
Top View
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
56
55
54
53
52
51
50
49
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
32
31
30
29
V
DD
HOST_P6
HOST_N6
GND_H
V
DD
HOST_P8
HOST_N8
GND_H
V
DD
HOST_P2
HOST_N2
GND_H
V
DD
HOST_P7
HOST_N7
GND_H
V
DD
HOST_P1
HOST_N1
GND_H
V
DD
HOST_P3
HOST_N3
GND_H
V
DD
HOST_P4
HOST_N4
GND_H
V
DD
HOST_P5
HOST_N5
GND_H
V
DD
MREF
nMREF
GND_H
CURRENT
ADJUST
÷1
÷2
÷4
MULT_0
MULT_1
IREF
PWR_DWN#
SEL_T
PCLK
nPCLK
SEL_A
SEL_B
SEL_U
DIVIDER
CONTROL
-
+
÷2
÷4
÷1
÷2
÷4
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