CA95C68/18/09
Tundra Semiconductor Corporation
3-36
Tundra Semiconductor Corporation
Table 3-3a (con’t): AC Characteristics (TA + 0 to 70° C, VDD = +5.0V ± 5%, VSS = 0V)
Number
Description
Master/Slave Port Read/Write
t40
For CA95C68:
LOW to
,
LOW (Select Setup), (Note 4)
For CA95C18:
LOW to
LOW (Select Setup), (Note 4)
For CA95C68/18:
LOW to
LOW (Select Setup)
t41
For CA95C68:
,
HIGH to
HIGH (Select Hold), (Note 4)
For CA95C18:
HIGH to
HIGH (Select Hold), (Note 4)
For CA95C68/18:
HIGH to
HIGH (Select Hold)
t42
MR/W VALID to
LOW (Setup)
t43
HIGH to MR/W INVALID (Hold)
t44
For CA95C68:
LOW to
HIGH (Width-Write)
For CA95C68:
, LOW to
HIGH (Width-Read)
For CA95C18:
LOW to
HIGH (Width-Write, Read)
For CA95C68/18:
LOW to
HIGH (Read, Write)
t45
For CA95C68: CLK LOW to
HIGH (Notes 11,16)
For CA95C68: CLK LOW to
HIGH (Notes 11, 16)
For CA95C18: CLK LOW to
HIGH (Notes 11, 16)
For CA95C68/18: CLK LOW to
HIGH (writes to the slave port) (Notes 11, 16)
For CA95C68/18: CLK LOW to
HIGH (reads from the slave port) (Notes 11, 16)
t46
For CA95C68:
,
HIGH to
,
LOW (Data Strobe Recovery Time)
For CA95C18:
HIGH to
LOW (Data Strobe Recovery Time)
For CA95C68/18:
HIGH to
LOW (Data Strobe Recovery Time)
t47
For CA95C68: Write Data VALID to
(
) HIGH (Write Setup Time)
For CA95C18: Write Data VALID to
(
) HIGH (Write Setup Time)
t48
For CA95C68:
HIGH to Write Data INVALID (Hold Time)
For CA95C18:
HIGH to Write Data INVALID (Hold Time)
For CA95C68/18:
HIGH to Write Data INVALID (Hold Time)
t49
For CA95C68:
LOW to Read Data VALID (Read Access Time) (Note 15)
For CA95C18:
LOW to Read Data VALID (Read Access Time) (Note 15)
For CA95C68/18:
LOW to Read Data VALID (Read Access Time) (Note 15)
t50
For CA95C68:
(
) HIGH to Read Data INVALID (Hold Time)
For CA95C18:
(
) HIGH to Read Data INVALID (Hold Time)
t51
For CA95C68:
,
, (
) LOW CLK
↓ to
(
) HIGH (Last Strobe), (Note 5)
For CA95C18:
, (
) LOW CLK
↓ to
(
) HIGH (Last Strobe), (Note 5)
t52
For CA95C68:
HIGH CLK
↓ to
HIGH (Note 4,11), (Last Strobe-Key Load)
For CA95C18:
HIGH CLK
↓ to
HIGH (Note 4,11), (Last Strobe-Key Load)
t53
For CA95C68:
,
(
) HIGH to S/S LOW (Hold Time) (Note 11)
For CA95C18:
(
) HIGH to S/S LOW (Hold Time) (Note 11)
t54
For CA95C68:
HIGH CLK
↓ to
VALID (Key Write)
For CA95C18:
HIGH CLK
↓ to
VALID (Key Write)
t55
For CA95C68: S/S HIGH to
,
, (
) LOW (Setup Time) (Note 11)
For CA95C18: S/S HIGH to
, (
) LOW (Setup Time) (Note 11)
t57
,
HIGH to MALE HIGH
HIGH to
LOW
t58
MALE LOW to
,
LOW
HIGH to
LOW
MCS
MRD
MWR
MCS
MDS
SCS
SDS
MRD
MWR
MCS
MDS
MCS
SDS
SCS
MDS
MRW
MRD
MDS
SDS
MWR
MRD
MDS
SDS
MRD
MWR
MRD
MWR
MDS
SDS
MWR
SDS
MDS
SDS
MWR
MDS
SDS
MRD
MDS
SDS
MRD
SDS
MDS
SDS
MRD
MWR
SDS
MFLG
SFLG
MDS
SDS
MFLG
SFLG
MWR
CP
MDS
CP
MRD
MWR
SDS
MDS
SDS
MWR
PAR
MDS
PAR
MRD
MWR
SDS
MDS
SDS
MRD
MWR
MDS
MAS
MRD
MWR
MAS
MDS