參數(shù)資料
型號: SME1430LGA-480
元件分類: 微控制器/微處理器
英文描述: 64-BIT, 480 MHz, RISC PROCESSOR, CBGA587
封裝: CERAMIC, LGA-587
文件頁數(shù): 42/60頁
文件大?。?/td> 646K
代理商: SME1430LGA-480
47
Highly Integrated 64-Bit RISC; L2-Cache, DRAM, PCI Interfaces
UltraSPARC-IIi CPU
SME1430LGA-360
SME1430LGA-440
SME1430LGA-480
May 1999
Sun Microsystems, Inc
Figure 28. Voltage Waveforms - Clock Skew
Clock Skew [1] [2]
1. For denitions, see
2. For PCI clock skews: v_test = 0.4(
VDDH); for full detail see PCI specication version 2.1
Signal
Maximum tSKEW_NEG
Maximum tSKEW_POS
Units
Reference Clock
UPA_CLK_POS
0.45
0.6
ns
CLKA
SRAM_CLK_POS
0.45
0.6
ns
CLKA
PCI_CLK
1.2
2.15
ns
PCI_REF_CLK
SRAM CLOCKS
CLKA
CLKB
SRAM_CLK_POS
SRAM_CLK_NEG
t
SKEW_NEG
t
SKEW_POS
PCI CLOCKS
PCI_REF_CLK
PCI_CLK
V_test
t
SKEW_POS
t
SKEW_NEG
t
SKEW_POS
t
SKEW_NEG
UPA CLOCKS
CLKA
CLKB
t
SKEW_NEG
t
SKEW_POS
UPA_CLK_POS
UPA_CLK_NEG
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