RB5C396 Ricoh Corporation, RB5C396 Datasheet - Page 87
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RB5C396
Manufacturer Part Number
RB5C396
Description
PC Card Controller Compliant With Pcmcia 2.1/jeida 4.2
Manufacturer
Ricoh Corporation
Datasheet
1.RB5C396.pdf
(93 pages)
- Current page: 87 of 93
- Download datasheet (450Kb)
7. DMA Write Cycle Timing
*
*
Symbol
1) This Timing assumes a load capacitance of 50pF.
2) In the above table, the parenthesized specifications apply when V
T41
T42
T33
T38
T71
T72
T94
T95
T96
V
CC
=5V±10% or 3.3±0.3V.
CIOWR#,WE#
IRQ11 or IRQ15
OE#
(TC to card)
IRQ9
(DACK#)
SD(15,0)
IOCHRDY
(DACK# to card)
CE1#,CE2#
CD(15,0)
WAIT#
(TC from system)
CIORD#
IOR#
REG#
IOCHRDY inactive from WAIT# active
IOCHRDY active from WAIT# inactive
CIORD# active from IOR#
IOR# inactive to rising edge of CIORD#, TC (OE#)
SD <15 : 0> valid to CD <15 : 0> valid
SD <15 : 0> hold from IOR#, MEMR#
DACK# (IRQ9) active to DMA cycle begin
system TC (IRQ11 or IRQ15) to card TC (WE#)
rising edge of DACK# (IRQ9) to CE#, REG#
(high)
T94
T33
Item
CC
T41
=3.3±0.3V. Accordingly, the non-parenthesized specifications alone apply whether
T95
RF5C296/RF5C396L/RB5C396/RF5C396
T71
DATA VALID
DATA VALID
V
T42
CC
=5V±10%(3.3V±0.3V)*
T38
T72
MIN.
10
0
0
2
, Ta=0 to 70˚C, CL=100pF
Limits
T96
20(30)*
20(30)*
40 (50)
40 (50)
40 (50)
MAX.
25
24
50
1
1
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
83
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