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IS61QDPB41M36B

ISSI
Part Number IS61QDPB41M36B
Manufacturer ISSI
Description 36Mb QUADP (Burst 4) SYNCHRONOUS SRAM
Published Jun 10, 2016
Detailed Description IS61QDPB42M18B/B1/B2 IS61QDPB41M36B/B1/B2 2Mx18, 1Mx36 36Mb QUADP (Burst 4) SYNCHRONOUS SRAM (2.5 Cycle Read Latency) N...
Datasheet PDF File IS61QDPB41M36B PDF File

IS61QDPB41M36B
IS61QDPB41M36B

Overview
IS61QDPB42M18B/B1/B2 IS61QDPB41M36B/B1/B2 2Mx18, 1Mx36 36Mb QUADP (Burst 4) SYNCHRONOUS SRAM (2.
5 Cycle Read Latency) NOVEMBER 2014 FEATURES DESCRIPTION  1Mx36 and 2Mx18 configuration available.
 On-chip Delay-Locked Loop (DLL) for wide data valid window.
 Separate independent read and write ports with concurrent read and write operations.
 Synchronous pipeline read with late write operation.
 Double Data Rate (DDR) interface for read and write input ports.
 2.
5 cycle read latency.
 Fixed 4-bit burst for read and write operations.
 Clock stop support.
 Two input clocks (K and K#) for address and control registering at rising edges only.
 Two echo clocks (CQ and CQ#) that are delivered simultaneously with data.
 Data Valid Pin (QVLD).
 +1.
8V core power supply and 1.
5, 1.
8V VDDQ, used with 0.
75, 0.
9V VREF.
 HSTL input and output levels.
 Registered addresses, write and read controls, byte writes, data in, and data outputs.
 Full data coherency.
 Boundary scan using limited set of JTAG 1149.
1 functions.
 Byte write capability.
 Fine ball grid array (FBGA) package: 13mmx15mm and 15mmx17mm body size 165-ball (11 x 15) array  Programmable impedance output drivers via 5x user-supplied precision resistor.
 ODT (On Die Termination) feature is supported optionally on data input, K/K#, and BWx#.
 The end of top mark (B/B1/B2) is to define options.
IS61QDPB41M36B : Don’t care ODT function and pin connection IS61QDPB41M36B1 : Option1 IS61QDPB41M36B2 : Option2 Refer to more detail description at page 6 for each ODT option.
The 36Mb IS61QDPB41M36B/B1/B2 and IS61QDPB42M18B/B1/B2 are synchronous, high-performance CMOS static random access memory (SRAM) devices.
These SRAMs have separate I/Os, eliminating the need for high-speed bus turnaround.
The rising edge of K clock initiates the read/write operation, and all internal operations are selftimed.
Refer to the Timing Reference Diagram for Truth Table for a description of the basic operations of these QUADP ...


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