The W634GU6NB is a 4G bits DDR3L SDRAM and speed involving -09, 09J, 9I, -11, 11J, 9I, -12, 12J, 12I, -15, 15J and 15I

Density 4Gb Industrial & Commercial Status Mass Production
Vcc 1.5V or 1.35V Frequency 1866 / 2133 Mbps
Package VFBGA 96 Temperature Range C-temp, I-temp, Automotive
Feature List Double Data Rate architecture: two data transfers per clock cycle
Eight internal banks for concurrent operation
8 bit prefetch architecture
CAS Latency: 5, 6, 7, 8, 9, 10, 11, 13 and 14
Burst Length 8(BL8) and burst chop 4 (BC4) modes: fixed via mode register (MRS) or selectable On-The-Fly (OTF)
Programmable read burst ordering: interleaved or nibble sequential
Bi-directional, differential data strobes (DQS and /DQS# ) are transmitted / received with data
Edge-aligned with Read data and center-aligned with Write data
DLL aligns DQ and DQS transitions with clock
Differential clock inputs (CK and /CK# )
Commands entered on each positive CK edge, data and data mask are referenced to both edges of a differential data strobe pair (double data rate)
Posted CAS with programmable additive latency (AL = 0, CL - 1 and CL - 2) for improved command, address and data bus efficiency
Read Latency = Additive Latency plus CAS Latency (RL = AL + CL)
Auto-precharge operation for read and write bursts
Refresh, Self-Refresh, Auto Self-refresh (ASR) and Partial array self refresh (PASR)
Precharged Power Down and Active Power Down
Data masks (DM) for write data
Programmable CAS Write Latency (CWL) per operating frequency
Write Latency WL = AL + CWL
Multi purpose register (MPR) for readout a predefined system timing calibration bit sequence
System level timing calibration support via write leveling and MPR read pattern
ZQ Calibration for output driver and ODT using external reference resistor to ground
Asynchronous RESET# pin for Power-up initialization sequence and reset function
Programmable on-die termination (ODT) for data, data mask and differential strobe pairs
Dynamic ODT mode for improved signal integrity and preselectable termination impedances during writes
2K Byte page size
Interface: SSTL_15
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