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: 21/43页
文件大小: 472K
代理商: RL5C478A
RL5C478A/RB5C478A
PCI-CARDBUS BRIDGE DATA SHEET
RICOH COMPANY, LTD.
REV 2.0
12345 1998
28
4.3 AC Characteristics
4.3.1 PCI Interface Signals
PCI Clock
( VCC_CORE=3.0~3.6V, VCC_PCI=3.0~3.6V or 4.75~5.25V, Ta=0~70
°°°°C)
Symbol
Parameter
Min
Max
Unit
Notes
PCICLK
t1a
Cycle Time, PCICLK
30
ns
t1b
Pulse Width Duration, PCICLK
High
11
ns
t1c
Pulse Width Duration, PCICLK
Low
11
ns
t1d
Slew Rate, PCICLK Rising Edge
1
4
V/ns
t1e
Slew Rate, PCICLK Falling Edge
1
4
V/ns
PCICLK Timing
PCICLK
*5V Signaling ( 3.3V Signaling)
(0.4Vcc p-to-p Min.)
*2.0V p-to-p Min.
*0.8V(0.3Vcc)
*2.0V(0.5Vcc)
t1b
t1d
t1e
t1c
t1a
PCICLK Timing
PCI Reset
( VCC_CORE=3.0~3.6V, VCC_PCI=3.0~3.6V or 4.75~5.25V, Ta=0~70
°°°°C)
Symbol
Parameter
Min
Max
Unit
Notes
PCIRST#
t2a
Pulse Duration, PCIRST#
1
ms
t2b
Setup Time,PCICLK active at
PCIRST# Negation
100
ms
PCI Reset Timing
PCIRST#
t2b
t2a
PCICLK
PCI Reset Timing
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