3 ac characteristics, 1 pci interface signals – Ricoh R5C841 User Manual

Page 60

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R5C841 PCI-CardBus/IEEE 1394/SD Card/Memory Stick/xD/ExpressCard Data Sheet

12345

2004

R

EV

. 1.10

5-7

5.3 AC Characteristics

5.3.1 PCI Interface signals

PCI Clock
(VCC_ROUT= 1.65
~1.95V, VCC_PCI3V=3.0~3.6V, Ta=0~70ºC)

Symbol Parameter

Min

Max

Unit

Note

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_ROUT= 1.65
~1.95V, VCC_PCI3V=3.0~3.6V, Ta=0~70ºC)

Symbol Parameter

Min

Max

Unit

Note

PCIRST#

t2a

Pulse Duration, PCIRST#

1

ms

t2b

Setup Time, PCICLK active at PCIRST# Negation

100

µ

s

PCI Reset Timing

PCIRST#

t2b

t2a

PCICLK

PCI Reset Timing

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