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Rev. 0.09a : 2011.09.14

Rev. 0.09a

2011.09.14

R1QGA36**CB* / R1QKA36**CB* Series

Description

quad data rate static RAM fabricated with advanced CMOS technology using full CMOS six-transistor memory

cell. It integrates unique synchronous peripheral circuitry and a burst counter. All input registers are controlled

by an input clock pair (K and /K) and are latched on the positive edge of K and /K. These products are suitable

for applications which require synchronous operation, high speed, low voltage, high density and wide bit

configuration. These products are packaged in 165-pin plastic FBGA package.

# = A: Read Latency =2.5, w/o ODT

# = D: Read Latency =2.5, w/ ODT

00000.0000.0000.1100.1100---

00000.0000.0000.0000.0000---

QDRII+_RL20

Features

Power Supply

• 1.8 V for core (V

Clock

• Fast clock cycle time for high bandwidth

• Two input clocks (K and /K) for precise DDR timing at clock rising edges only

• Two output echo clocks (CQ and /CQ) simplify data capture in high-speed systems

• Clock-stop capability with s restart

I/O

• Separate independent read and write data ports with concurrent transactions

• 100% bus utilization DDR read and write operation

• HSTL I/O

• User programmable output impedance

• DLL/PLL circuitry for wide output data valid window and future frequency scaling

• Data valid pin (QVLD) to indicate valid data on the output

Function

• Four-tick burst for reduced address frequency

• Internally self-timed write control

• Simple control logic for easy depth expansion

• JTAG 1149.1 compatible test access port

Package

• 165 FBGA package (15 x 17 x 1.4 mm)

36-Mbit QDR™II+ SRAM

4-word Burst

R1QAA3636CBG / R1QAA3618CBG / R1QAA3609CBG

R1QDA3636CBG / R1QDA3618CBG / R1QDA3609CBG

Notes: 1. QDR RAMs and Quad Data Rate RAMs comprise a new family of products developed by Cypress

Semiconductor, IDT, Samsung, and Renesas Electronics Corp. (QDR Co-Development Team)

2. The specifications of this device are subject to change without notice. Please contact your nearest

Renesas Electronics Sales Office regarding specifications.

3. Refer to

for the latest and detailed information.

4. Descriptions about x9 parts in this datasheet are just for reference.

R10DS0161EJ0009

R10DS0161EJ0009