参数资料
型号: MSC8126TVT6400
厂商: Freescale Semiconductor
文件页数: 26/48页
文件大小: 0K
描述: IC DSP QUAD 16B 400MHZ 431FCPBGA
标准包装: 60
系列: StarCore
类型: SC140 内核
接口: DSI,以太网,RS-232
时钟速率: 400MHz
非易失内存: 外部
芯片上RAM: 1.436MB
电压 - 输入/输出: 3.30V
电压 - 核心: 1.20V
工作温度: -40°C ~ 105°C
安装类型: 表面贴装
封装/外壳: 431-BFBGA,FCBGA
供应商设备封装: 431-FCPBGA(20x20)
包装: 托盘
配用: MSC8126ADSE-ND - KIT ADVANCED DEV SYSTEM 8126
Electrical Characteristics
2.5.5.2
CLKIN to CLKOUT Skew
Table 17 describes the CLKOUT- to- CLKIN skew timing.
Table 16. CLKOUT Skew
No.
20
21
22
Characteristic
Rise-to-rise skew
Fall-to-fall skew
CLKOUT phase high and low (1.2 V, 133 MHz)
Min 1
0
–0.8
2.8
Max 1
0.85
1.0
Units
ns
ns
ns
Notes:
1.
2.
3.
4.
A positive number indicates that CLKOUT precedes CLKIN, A negative number indicates that CLKOUT follows CLKIN.
Skews are measured in clock mode 29, with a CLKIN:CLKOUT ratio of 1:1. The same skew is valid for all clock modes.
CLKOUT skews are measured using a load of 10 pF.
CLKOUT skews and phase are not measured for 500/166 Mhz parts because these parts only use CLKIN mode.
For designs that use the CLKOUT synchronization mode, use the skew values listed in Table 16 to adjust the rise-to-fall timing
values specified for CLKIN synchronization. Figure 12 shows the relationship between the CLKOUT and CLKIN timings.
CLKIN
CLKOUT
20
21
Figure 12. CLKOUT and CLKIN Signals.
MSC8126 Quad Digital Signal Processor Data Sheet, Rev. 15
26
Freescale Semiconductor
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