参数资料
型号: PI7C8154BNAE
厂商: Pericom
文件页数: 17/114页
文件大小: 0K
描述: IC PCI-PCI BRIDGE ASYNC 304-PBGA
标准包装: 27
系列: *
应用: *
接口: *
电源电压: *
封装/外壳: 304-BBGA
供应商设备封装: 304-PBGA(31x31)
包装: 管件
安装类型: 表面贴装
PI7C8154B
ASYNCHRONOUS 2-PORT
PCI-to-PCI BRIDGE
Advance Information
Page 113 of 114
JUNE 2008 REVISION 1.1
19
APPENDIX
19.1
PI7C8154/A/B vs. Intel 21154, PBGA-304
Pericom PI7C8154/A/B provides direct replacement to Intel 21154.
Following table is PI7C8154/A/B pin comparison to Intel 21154
Pin Number
PI7C8154/A/B
Intel 21154
A22
VDD / * EEDATA
VDD
A23
VSS / * EECLK
VSS
B6
VDD / *NC
VDD
D11
PMEENA_L
VDD
V20
Reserved
VSS
Y18
Reserved
VDD
AA22
VSS / * NC
VSS
AB1
VDD / *ASYNC_SEL#
VDD
AB2
VSS / * ASYNC_CLKIN
VSS
AC22
VDD / * EE_EN#
VDD
λ
Pin A22: VDD / *EEDATA – For 8154A/B, this pin is used as VDD and serial data interface for
EEPROM. For Intel 21154, this pin is defined as VDD.
λ
Pin A23: VSS / *EECLK – For 8154A/B, this pin is used as VSS and serial clock interface for EEPROM.
For Intel 21154, this pin is defined as VSS.
λ
Pin B6: VDD / *NC – For 8154/A, this pin is defined as power pin. For 8154B, this pin can be no
connected. For Intel 21154 is defined as VDD
λ
Pin D11: PMEENA_L is used to indicate the secondary devices are capable of asserting PME_L or not. For
Intel 21154, this pin is defined as VDD.
λ
Pin V20: For pin V20, it must be tied to ground. For Intel 21154, this pin is defined as VSS.
λ
Pin Y18: For pin Y18, it must be tied to VDD. For Intel 21154, this pin is defined as VDD.
λ
Pin AA22: VSS / *NC – For 8154/A, this pin is defined as ground pin. For 8154B, this pin can be no
connected. For Intel 21154, this pin is defined as VSS.
λ
Pin AB1: VDD / *ASYNC_SEL# - For 8154/A, this pin is defined as power pin. For 8154B, this pin is
used as enables asynchronous mode for the bridge. For Intel 21154, this pin is defined as VDD.
0: Secondary bus clock outputs (S_CLKOUT [9:0]) will use the clock signal from ASYNC_CLKIN input instead of
the P_CLK.
1: Secondary bus clock outputs (S_CLKOUT [9:0]) will use the P_CLK input for synchronous operation.
λ
Pin AB2: VSS / * ASYNC_CLKIN – For 8154/A, this pin is defined as ground pin. For 8154B, this pin is
used as an external clock input in order to generate the secondary clock outputs (S_CLKOUT [9:0]) when
enabled by ASYNC_SEL#. For Intel 21154, this pin is defined as VSS.
λ
Pin AC22: VDD / * EE_EN# – For 8154, this pin is defined as power pin. For 8154A/B, this pin is used as
enable EEPROM interface when it is tied low. For Intel 21154, this pin is defined as VDD.
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