W632GG8KB Datasheet, PDF (139/159 Pages) Winbond – 32M X 8 BANKS X 8 BIT DDR3 SDRAM

W632GG8KB
AC Timing and Operating Condition for -11 speed grade, continued
SYMBOL
SPEED GRADE
PARAMETER
Data Timing
tDQSQ DQS, DQS# to DQ skew, per group, per access
tQH DQ output hold time from DQS, DQS#
tLZ(DQ) DQ low impedance time from CK, CK#
tHZ(DQ) DQ high impedance time from CK, CK#
tDS(AC135)
Data setup time to
DQS, DQS#
Base specification @ 2 V/nS
VREF @ 2 V/nS
tDH(DC100)
Data hold time from
DQS, DQS#
Base specification @ 2 V/nS
VREF @ 2 V/nS
tDIPW DQ and DM Input pulse width for each input
Data Strobe Timing
tRPRE DQS,DQS# differential READ Preamble
tRPST DQS,DQS# differential READ Postamble
tQSH DQS,DQS# differential output high time
tQSL DQS,DQS# differential output low time
tWPRE DQS,DQS# differential WRITE Preamble
tWPST DQS,DQS# differential WRITE Postamble
tDQSCK
DQS,DQS# rising edge output access time from
rising CK, CK#
tLZ(DQS)
DQS and DQS# low-impedance time from CK,
CK# (Referenced from RL - 1)
tHZ(DQS)
DQS and DQS# high-impedance time from CK,
CK# (Referenced from RL + BL/2)
tDQSL DQS,DQS# differential input low pulse width
tDQSH DQS,DQS# differential input high pulse width
tDQSS DQS,DQS# rising edge to CK,CK# rising edge
tDSS
DQS,DQS# falling edge setup time to CK,CK#
rising edge
tDSH
DQS,DQS# falling edge hold time from CK,CK#
rising edge
Command and Address Timing
tAA Internal read command to first data
tRCD ACT to internal read or write delay time
tRP PRE command period
tRC ACT to ACT or REF command period
tRAS ACT to PRE command period
DDR3-1866 (-11)
MIN.
MAX.

85
0.38

-390
195

195
68
135.5
70
120
320

0.9
0.3
0.4
0.4
0.9
0.3
-195
-390

0.45
0.45
-0.27
0.18
0.18
Note 21
Note 22




195
195
195
0.55
0.55
0.27


See “Speed Bin” on page 136
UNITS NOTES
pS
23
tCK(avg) 18, 23
pS 17, 23, 24
pS 17, 23, 24
pS
11, 40
pS 11, 40, 42
pS
11, 40
pS 11, 40, 42
pS
10
tCK(avg) 18, 21, 23
tCK(avg) 18, 22, 23
tCK(avg) 18, 23
tCK(avg) 18, 23
tCK(avg)
46
tCK(avg)
46
pS
17, 23
pS 17, 23, 24
pS 17, 23, 24
tCK(avg)
tCK(avg)
tCK(avg)
12, 14
13, 14
16
tCK(avg) 15, 16
tCK(avg) 15, 16
nS
8
nS
8
nS
8
nS
8
nS
8
- 139 -
Publication Release Date: Dec. 08, 2014
Revision: A04