K4S643232H-UC60 Samsung Semiconductor, K4S643232H-UC60 Datasheet - Page 19

• Manufacturer Part Number: K4S643232H-UC60
• Manufacturer: Samsung Semiconductor
• Type: SDRAMr

Specifications of K4S643232H-UC60

• Organization: 2Mx32
• Density: 64Mb
• Address Bus: 13b
• Access Time (max): 6/5.5ns
• Maximum Clock Rate: 166MHz
• Operating Supply Voltage (typ): 3.3V
• Package Type: TSOP-II
• Operating Temp Range: 0C to 70C
• Operating Supply Voltage (max): 3.6V
• Operating Supply Voltage (min): 3V
• Supply Current: 150mA
• Pin Count: 86
• Mounting: Surface Mount
• Operating Temperature Classification: Commercial
• Lead Free Status / Rohs Status: Compliant

Device Operation &
Timing Diagram
3. CAS Interrupt (I)
*Note : 1. By " Interrupt", It is meant to stop burst read/write by external command before the end of burst.
DQ(CL2)
DQ(CL3)
1) Read interrupted by Read (BL=4)
2) Write interrupted by Write (BL=2)
CMD
CMD
CLK
ADD
ADD
CLK
DQ
2. t
3. t
By "CAS Interrupt", to stop burst read/write by CAS access ; read and write.
CCD
CDL
: Last data in to new column address delay. (=1CLK)
: CAS to CAS delay. (=1CLK)
DA
WR
RD
A
A
tCCD
Note 2
tCCD
tCDL
Note 3
0
DB
WR
RD
B
B
0
Note 2
QA
DB
Note 1
0
1
QB
QA
0
0
QB
QB
1
0
QB
QB
2
1
DQ(CL2)
DQ(CL3)
QB
QB
3
2
3) Write interrupted by Read (BL=2)
QB
3
- 19
DA
DA
WR
A
tCCD
tCDL
Note 3
0
0
RD
B
Note 2
QB
0
QB
QB
0
1
QB
Rev. 1.2 April 2006
1
x32 SDRAM