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K7K1618U2C Datasheet(PDF) 3 Page - Samsung semiconductor

Part # K7K1618U2C
Description  512Kx36 & 1Mx18 DDRII CIO b2 SRAM
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Manufacturer  SAMSUNG [Samsung semiconductor]
Direct Link  http://www.samsung.com/Products/Semiconductor
Logo SAMSUNG - Samsung semiconductor

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512Kx36 & 1Mx18 DDRII+ CIO b2 SRAM
K7K1636U2C
K7K1618U2C
- 3 -
Rev. 1.1 August 2010
512Kx36-bit, 1Mx18-bit DDRII CIO b2 SRAM
FEATURES
FUNCTIONAL BLOCK DIAGRAM
• 1.8V+0.1V/-0.1V Power Supply.
• DLL circuitry for wide output data valid window and future freg-
uency scaling.
• I/O Supply Voltage 1.5V+0.1V/-0.1V
• Pipelined, double-data rate operation.
• Common data input/output bus .
• HSTL I/O
• Full data coherency, providing most current data.
• Synchronous pipeline read with self timed late write.
• Read latency : 2.5 clock cycles
• Registered address, control and data input/output.
• DDR(Double Data Rate) Interface on read and write ports.
• Fixed 2-bit burst for both read and write operation.
• Clock-stop supports to reduce current.
• Two input clocks(K and K) for accurate DDR timing at clock
rising edges only.
• Two echo clocks (CQ and CQ) to enhance output data
traceability.
• Data Valid pin(QVLD) supported
• Single address bus.
• Byte write (x18, x36) function.
• Simple depth expansion with no data contention.
• Programmable output impedance(ZQ).
• JTAG 1149.1 compatible test access port.
• 165FBGA(11x15 ball aray FBGA) with body size of 15x17mm
LD
ADDRESS
R/W
Doff
DATA
REG
CLK
GEN
CTRL
LOGIC
512Kx36
(1Mx18)
MEMORY
ARRAY
WRITE DRIVER
K
K
BWX
4(or 2)
DQ
SELECT OUTPUT CONTROL
Notes: 1. Numbers in ( ) are for x18 device
18
18 (or 19)
36 (or 18)
36
72
(Echo Clock out)
CQ, CQ
36 (or 18)
DDR SRAM and Double Data Rate comprise a new family of products developed by Cypress, Renesas, IDT, NEC and Samsung technology.
(or 19)
(or 18)
(or 36)
36 (or 18)
* -F(E)C(I)
F(E) [Package type] : E-Pb Free, F-Pb
C(I) [Operating Temperature] : C-Commercial, I-Industrial
Organiza-
tion
Part
Number
Cycle
Time
Access
Time
Unit
X36
K7K1636U2C-F(E)C(I)45
2.22
0.45
ns
K7K1636U2C-F(E)C(I)40
2.5
0.45
ns
K7K1636U2C-F(E)C(I)33
3.0
0.45
ns
X18
K7K1618U2C-F(E)C(I)45
2.22
0.45
ns
K7K1618U2C-F(E)C(I)40
2.5
0.45
ns
K7K1618U2C-F(E)C(I)33
3.0
0.45
ns
ADD
REG
QVLD


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