参数资料
型号: IDT79RC32T336-150BCG
厂商: IDT, Integrated Device Technology Inc
文件页数: 18/44页
文件大小: 0K
描述: IC MPU 32BIT CORE 150MHZ 256-BGA
标准包装: 90
系列: Interprise™
处理器类型: MIPS32 32-位
速度: 150MHz
电压: 2.5V
安装类型: 表面贴装
封装/外壳: 256-LBGA
供应商设备封装: 256-CABGA(17x17)
包装: 托盘
其它名称: 79RC32T336-150BCG
25 of 44
October 4, 2005
RC32336
Signal
Symbol Reference
Edge
150MHz
Unit
Conditions
Timing
Diagram
Reference
Min
Max
PCI1
1. This PCI interface conforms to the PCI Local Bus Specification, Rev 2.2 at 33MHz.
PCICLK2
2. PCICLK must be equal to or less than two times CLK (PCICLK <= 2(CLK)).
Tper_10a
none
15.0
30.0
ns
66 MHz PCI
Thigh_10a,
Tlow_10a
6.0
ns
Tslew_10a
1.5
4.0
V/ns
PCIAD[31:0]
Tsu_10b
PCICLK rising
3.0
ns
Thld_10b
0
ns
Tdo_10b
2.0
6.0
ns
Tdz_10b3
3. The values for this symbol were determined by calculation, not by testing.
14.0
ns
Tzd_10b3
2.0
ns
PCIBEN[3:0],
PCIDEVSELN,
PCIFRAMEN,PCIIRDYN,
PCILOCKN, PCIPAR,
PCIPERRN, PCISTOPN,
PCITRDY4
4. PCI Local Bus Specification, Rev 2.2 specifies Tval minimum = 2.0ns.
Tsu_10b5
5. The 5ns minimum set-up time conforms to the PCI Local Bus Specification, Rev 2.2 at 33MHz. At 66MHz, the 5ns minimum set-up time provides
a wide margin of 4ns, which is sufficient to ensure a working design at such frequency.
PCICLK rising
5.0
ns
Thld_10b
0
ns
Tdo_10b
1.5
6.0
ns
PCIGNTN[2:0],
PCIREQN[2:0]4,6
6. PCIGNTN[2] and PCIREQN[2] are alternate functions of GPIO[14] and GPIO[13] respectively.
Tsu_10c
PCICLK rising
5.0
ns
Thld_10c
0
ns
Tdo_10c
1.5
6.0
ns
PCIRSTN (output)7
7. PCIRSTN is an output in host mode and an input in satellite mode.
Tpw_10d3
None
4000
(CLK)
ns
PCIRSTN (input)7,8
8. To meet the PCI delay specification from reset asserted to outputs floating, the PCI reset should be logically combined with the COLDRSTN input,
instead of input on PCIRSTN.
Tpw_10e3
None
2(CLK)
ns
Tdz_10e3
PCIRSTN
falling
6(CLK)
ns
PCISERRN9
9. PCISERRN uses open collector I/O types.
Tsu_10f
PCICLK rising
3.0
ns
Thld_10f
0
ns
Tzd_10f3
2.0
6.0
ns
PCIMUINTN10
10. PCIMUINTN is an alternate function of GPIO[15].
Tzd_10g3
PCICLK rising
4.7
11.1
ns
Table 10 PCI AC Timing Characteristics
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