A43L1632V-6 AMICC [AMIC Technology], A43L1632V-6 Datasheet - Page 17

• Manufacturer Part Number: A43L1632V-6
• Description: 512K X 32 Bit X 4 Banks Synchronous DRAM
• Manufacturer: AMICC [AMIC Technology]

Basic feature And Function Descriptions
1. CLOCK Suspend
2. DQM Operation
PRELIMINARY
DQ(CL2)
DQ(CL3)
CMD
DQM
DQ(CL2)
CLK
DQ(CL3)
Note: CLK to CLK disable/enable=1 clock
CMD
CLK
CKE
DQM
* Note :
DQ(CL2)
DQ(CL3)
Internal
CMD
CKE
CLK
CLK
1) Write Mask (BL=4)
RD
1) Click Suspended During Write (BL=4)
2) Read Mask (BL=4)
WR
1. DQM makes data out Hi-Z after 2 clocks which should masked by CKE “L”.
2. DQM masks both data-in and data-out.
D0
D0
(December, 2004, Version 0.0)
WR
D0
D0
DQM to Data-in Mask = 0CLK
D1
D1
D1
D1
Q0
Masked by CKE
Not Written
D3
D3
Masked by CKE
D2
D2
Hi-Z
Hi-Z
D3
D3
Q1
Q2
2) Read Mask (BL=4)
2) Clock Suspended During Read (BL=4)
RD
16
RD
Hi-Z
Hi-Z
Q4
Q3
Q0
Q0
Hi-Z
Hi-Z
Hi-Z
Hi-Z
Masked by CKE
Q0
Q1
Q1
Q2
DQM to Data-out Mask = 2
Q6
Q5
Masked by CKE
Q3
Q2
AMIC Technology, Corp.
Q2
Q1
Suspended Dout
Q7
Q6
Q3
Q3
Q2
Q8
Q7
Q3
A43L1632