参数资料
型号: RL5C478A
厂商: RICOH COMPANY LTD
元件分类: 总线控制器
英文描述: PCI BUS CONTROLLER, PQFP256
封装: 28 X 28 MM, 1.70 MM HEIGHT, 0.40 MM PITCH, PLASTIC, LQFP-256
文件页数: 27/43页
文件大小: 472K
代理商: RL5C478A
RL5C478A/RB5C478A
PCI-CARDBUS BRIDGE DATA SHEET
RICOH COMPANY, LTD.
12345 1998
REV 2.0
33
I/O Read
( VCC_CORE=3.0~3.6V, VCC_SLOTA/B=3.0~3.6V or 4.75~5.25V, Ta=0~70
°°°°C)
Symbol
Parameter
Min
Max
Unit
Notes
CADR[25:0], REG#
t8a
Setup Time, CADR[25:0] and
REG# before IORD# Low
Tsu-20
ns
1,3
Tsu=2~7Tcyc
Programmable
t8c
Hold Time, CADR[25:0] and
REG# after IORD # High
Thl-10
ns
1,3
Thl=1~7Tcyc
Programmable
IORD#
t8b
Pulse Duration, IORD # Low
Tpw-20
ns
1,3
Tpw=3~31Tcyc
Programmable
CE[2:1]#
t8d
Valid Delay, CADR[15:0] and
REG# to CE[2:1]#
1Tcyc-10
ns
1
CDATA[15:0]
t8e
Hold Time, CDATA[15:0]
after IORD # High
0ns
WAIT#
t8f
Hold Time, IORD # Low
after WAIT# High
1Tcyc+0
ns
1
t8g
Valid Delay, IORD # Low to
WAIT# Low
50
ns
IOIS16#
t8h
Valid Delay, CADR[25:0] to
IOIS16# Low
50
ns
INPACK#
t8k
Hold Time, INPCK# Low
afterIORD# High
0ns
t8j
Valid Delay, IORD # Low to
INPACK# Low
50
ns
Note1: Tcyc is PCICLK cycle time.( Typically 30ns )
Note3: Tsu, Tpw, Thl can be programmed by setting 16-bit I/O Timing 0 register.
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