W632GU6NB
Publication Release Date: Aug. 20, 2018
Revision: A01
- 141 -
AC Timing and Operating Condition for -09/09I/09J/-11/11I/11J speed grades, continued
SYMBOL
SPEED GRADE
DDR3L-2133
(-09/09I/09J)
DDR3L-1866
(-11/11I/11J)
UNITS NOTES
PARAMETER
MIN.
MAX.
MIN.
MAX.
Command and Address Timing
t
WR
WRITE recovery time
15
15
nS
8, 26
t
MRD
Mode Register Set command cycle time
4
4
nCK
t
MOD
Mode Register Set command update delay
max(12nCK,
15nS)
max(12nCK,
15nS)
t
CCD
CAS# to CAS# command delay
4
4
nCK
t
DAL
(min) Auto precharge write re precharge time
WR + roundup(t
RP
(min)/ t
CK
(avg))
nCK
6
t
MPRR
Multi-Purpose Register Recovery Time
1
1
nCK
29
t
RRD
ACTIVE to ACTIVE command period for 2KB page
size
max(4nCK,
6nS)
max(4nCK,
6nS)
8
t
FAW
Four activate window for 2KB page size
35
35
nS
8
t
IS(AC135)
Command and Address
setup time to CK, CK#
Base specification
60
65
pS
9, 41
V
REF
@ 1 V/nS
195
200
pS
9, 41, 42
t
IS(AC125)
Command and Address
setup time to CK, CK#
Base specification
135
150
pS
9, 41
V
REF
@ 1 V/nS
260
275
pS
9, 41, 42
t
IH(DC90)
Command and Address
hold time from CK, CK#
Base specification
105
110
pS
9, 41
V
REF
@ 1 V/nS
195
200
pS
9, 41, 42
t
IPW
Control, address and control input pulse width for each
input
470
535
pS
10
Calibration Timing
t
ZQ
init
Power-up and RESET calibration time
max(512nCK,
640nS)
max(512nCK,
640nS)
t
ZQ
oper
Normal operation Full calibration time
max(256nCK,
320nS)
max(256nCK,
320nS)
t
ZQCS
Normal operation Short calibration time
max(64nCK,
80nS)
max(64nCK,
80nS)
33
Reset Timing
t
XPR
Exit Reset from CKE HIGH to a valid command
max(5nCK,
170nS)
max(5nCK,
170nS)
Self Refresh Timing
t
XS
Exit Self Refresh to commands not requiring a locked
DLL
max(5nCK,
170nS)
max(5nCK,
170nS)
34
t
XSDLL
Exit Self Refresh to commands requiring a locked DLL
t
DLLK
(min)
t
DLLK
(min)
nCK
35
t
CKESR
Minimum CKE low width for Self Refresh entry to exit
timing
t
CKE
(min) +
1nCK
t
CKE
(min) +
1nCK
t
CKSRE
Valid Clock Requirement after Self Refresh Entry
(SRE)
max(5 nCK,
10nS)
max(5 nCK,
10nS)
t
CKSRX
Valid Clock Requirement before Self Refresh Exit
(SRX)
max(5 nCK,
10nS)
max(5 nCK,
10nS)
Refresh Timing
t
RFC
REF command to ACT or REF command time
160
160
nS
36
t
REFI
Average periodic
refresh Interval
-40°C
≤ T
CASE
≤ 85°C*
7.8
7.8
μS
0°C
≤ T
CASE
≤ 85°C
7.8
7.8
μS
85°C < T
CASE
≤ 95°C
3.9
3.9
μS
95°C < T
CASE
≤ 105°C*
3.9
3.9
μS
* -40°C
≤ T
CASE
≤ 85°C is for 09I, 09J, 11I and 11J grade parts only. 95°C < T
CASE
≤ 105°C is available for 09J and 11J grade
parts only.
