T
T
T
S
S
S
6
6
6
4
4
4
G
G
G
S
S
S
S
S
S
D
D
D
1
1
1
0
0
0
-
-
-
M
M
M
1.0” Solid State Disk
Transcend Information Inc.
V1.6
20
response shall be measured at the same connector.
5) The parameter tAZ shall be measured at the connector of the sender or recipient that is driving the bus but must
release the bus to allow for a bus turnaround.
Name
Comment
Notes
t
2CYCTYP
Typical sustained average two cycle time
t
CYC
Cycle time allowing for asymmetry and clock variations (from STROBE edge to STROBE edge)
t
2CYC
Two cycle time allowing for clock variations (from rising edge to next rising edge or from falling edge to
next falling edge of STROBE)
t
DS
Data setup time at recipient (from data valid until STROBE edge)
2, 5
t
DH
Data hold time at recipient (from STROBE edge until data may become invalid)
2, 5
t
DVS
Data valid setup time at sender (from data valid until STROBE edge)
3
t
DVH
Data valid hold time at sender (from STROBE edge until data may become invalid)
3
t
CS
CRC word setup time at device
2
t
CH
CRC word hold time device
2
t
CVS
CRC word valid setup time at host (from CRC valid until -DMACK negation)
3
t
CVH
CRC word valid hold time at sender (from -DMACK negation until CRC may become invalid)
3
t
ZFS
Time from STROBE output released-to-driving until the first transition of critical timing.
t
DZFS
Time from data output released-to-driving until the first transition of critical timing.
t
FS
First STROBE time (for device to first negate DSTROBE from STOP during a data in burst)
t
LI
Limited interlock time
1
t
MLI
Interlock time with minimum
1
t
UI
Unlimited interlock time
1
t
AZ
Maximum time allowed for output drivers to release (from asserted or negated)
t
ZAH
Minimum delay time required for output
t
ZAD
drivers to assert or negate (from released)
t
ENV
Envelope time (from -DMACK to STOP and -HDMARDY during data in burst initiation and from
DMACK to STOP during data out burst initiation)
t
RFS
Ready-to-final-STROBE time (no STROBE edges shall be sent this long after negation of -DMARDY)
t
RP
Ready-to-pause time (that recipient shall wait to pause after negating -DMARDY)
t
DSTROBEZ
Maximum time before releasing DSTROBE
6
t
ZDSTROBE
Minimum time before driving DSTROBE
4, 6
t
ACK
Setup and hold times for -DMACK (before assertion or negation)
t
SS
Time from STROBE edge to negation of DMARQ or assertion of STOP (when sender terminates a
burst)
