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W97AH6KB Datasheet(PDF) 32 Page - Winbond

Part # W97AH6KB
Description  Four-bit prefetch DDR architecture
PDF  127 Pages
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Manufacturer  WINBOND [Winbond]
Direct Link  http://www.winbond.com
Logo WINBOND - Winbond

W97AH6KB Datasheet(HTML) 32 Page - Winbond

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W97AH6KB / W97AH2KB
Publication Release Date: May 15, 2014
Revision: A01-001
- 32 -
7.4.3.6
LPDDR2: tDQSCKDM Timing
CA0-9
[Cmd]
DQS
Tm+8
1.6µS maximum
RL = 5
CK_t / CK_c
DQS_c
DQS_t
Tm+7
Tm+6
Tm+5
Tm+4
Tm+3
Tm+2
Tm+1
Tm
tDQSCKm
Tn+8
RL = 5
Tn+7
Tn+6
Tn+5
Tn+4
Tn+3
Tn+2
Tn+1
tDQSCKn
DOUT
A0
Tn
tDQSCKDM = l tDQSCKn – tDQSCKm l
Nop
Col
Addr
Read
Nop Nop Nop Nop Nop Nop
Nop Nop Nop Nop Nop Nop Nop Nop
Read
Col
Addr
Col
Addr
Col
Addr
Nop
DOUT
A1
DOUT
A2
DOUT
A3
DOUT
A0
DOUT
A1
DOUT
A2
DOUT
A3
Note: tDQSCKDMmax is defined as the maximum of ABS(tDQSCKn - tDQSCKm) for any {tDQSCKn,tDQSCKm} pair within any 1.6µS rolling window.
7.4.3.7
LPDDR2: tDQSCKDS Timing
CA0-9
[Cmd]
DQS
Tm+8
160nS maximum
RL = 5
CK_t / CK_c
DQS_c
DQS_t
Tm+7
Tm+6
Tm+5
Tm+4
Tm+3
Tm+2
Tm+1
Tm
tDQSCKm
Tn+8
RL = 5
Tn+7
Tn+6
Tn+5
Tn+4
Tn+3
Tn+2
Tn+1
tDQSCKn
DOUT A0
Tn
tDQSCKDS = l tDQSCKn – tDQSCKm l
Nop
Col
Addr
Read
Nop Nop Nop Nop Nop
Nop Nop
Nop Nop Nop Nop Nop Nop
Read
Col
Addr
Col
Addr
Col
Addr
Nop
DOUT A1
DOUT A2
DOUT A3
DOUT A0
A1
DOUT A2
DOUT A3
DOUT A0
DOUT A1
DOUT A2
DOUT A3
DOUT A0
DOUT A1
DOUT A2
DOUT A3
DOUT A0
DOUT A1
DOUT A2
DOUT A3
DOUT A0
DOUT A1
DOUT A2
Nop
Note:
tDQSCKDSmax is defined as the maximum of ABS(tDQSCKn - tDQSCKm) for any {tDQSCKn ,tDQSCKm} pair for reads within a consecutive burst
within any 160nS rolling window



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