RB5C396 Ricoh Corporation, RB5C396 Datasheet - Page 77

• Manufacturer Part Number: RB5C396
• Description: PC Card Controller Compliant With Pcmcia 2.1/jeida 4.2
• Manufacturer: Ricoh Corporation

AC ELECTRICAL CHARACTERISTICS
1. 8/16bit Memory Cycle
Symbol
Tckh
T29b
T32b
T21a
T29a
T29c
T30a
T32a
Tckl
T7a
T35
T12
T5a
T5b
T6a
T6b
T6c
T20
T17
T41
T42
T40
T38
T31
T1
T2
T3
SYSCLK “L” pulse width
SYSCLK “H” pulse width
LA <23 : 17> setup time to BALE falling
BALE pulse width
LA <23 : 17> hold time from BALE
LA <23 : 17>, SA <17 : 12>, SA0 and SBHE# setup time to MEMR#, MEMW#
MEMR#, MEMW# active to falling edge of SYSCLK
SA <16 : 0> and SBHE# hold from MEMR#, MEMW#
MEMCS16# valid from LA <23 : 17>
MEMCS16# valid from SA <16 : 12>
MEMCS16# hold from LA <23 : 17>
MEMCS16# tri-state from SA <16 : 12>
MEMCS16# tri-state from LA <23 : 17>
IOCHRDY active from falling edge of SYSCLK
IOCHRDY low from MEMR#, MEMW#
ZEROWS# active from SA <16 : 12>
ZEROWS# hold from MEMR#, MEMW#
ZEROWS# tri-state from SA <16 : 12>
ZEROWS# tri-state from MEMR#, MEMW#
WAIT# active to IOCHRDY inactive
WAIT# inactive to IOCHRDY active
CA <25 : 0> valid delay from LA <23 : 17>, SA <16 : 0>
CA <25 : 0> hold from LA <23 : 17>, SA <16 : 0>
OE#, WE# valid from MEMR#, MEMW# with memory delay inhibit
OE#, WE# valid from MEMR#, MEMW# 16bit windows
OE#, WE# valid from MEMR#, MEMW active
CE#, REG# valid from LA <23 : 17>, SA <16 : 0>
Item
RF5C296/RF5C396L/RB5C396/RF5C396
V
CC
=5V±10%(3.3V±0.3V)*
MIN.
T35
45
45
45
50
15
23
15
25
0
0
0
5
0
2
Limits
, Ta=0 to 70˚C, CL=100pF
24(35)*
20(30)*
20(30)*
24(35)*
T35+28
47(55)
24(35)
MAX.
40*
32*
40
60
55
35
50
27
24
1
1
1
1
1
1
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
73