A43L0616A AMIC Technology, Corp., A43L0616A Datasheet - Page 16

• Manufacturer Part Number: A43L0616A
• Description: 512K x 16 Bit x 2 Banks Synchronous DRAM
• Manufacturer: AMIC Technology, Corp.

Basic feature And Function Descriptions
1. CLOCK Suspend
2. DQM Operation
(May, 2001, Version 1.0)
DQ(CL2)
DQ(CL3)
CMD
DQM
DQ(CL2)
CLK
DQ(CL3)
* Note :
CMD
CKE
CLK
DQM
Note: CLK to CLK disable/enable=1 clock
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
WR
D0
D0
DQM to Data-in Mask = 0CLK
D1
D1
D1
D1
Masked by CKE
Not Written
Q0
D3
D3
Masked by CKE
Hi-Z
D2
D2
Hi-Z
D3
D3
Q1
Q2
2) Read Mask (BL=4)
2) Clock Suspended During Read (BL=4)
RD
15
Hi-Z
Hi-Z
RD
Q4
Q3
Q0
Q0
Hi-Z
Hi-Z
Hi-Z
Hi-Z
Masked by CKE
Q0
Q1
Q1
Q1
DQM to Data-out Mask = 2
Q6
Q5
Masked by CKE
Q3
Q2
AMIC Technology, Inc.
Q2
Q1
Suspended Dout
Q7
Q6
Q3
Q3
Q2
Q8
Q7
A43L0616A
Q3