AS4C64M32MD1 Revision History AS4C64M32MD1 - 90-ball FBGA PACKAGE Revision Details Date Rev 1.0 Preliminary datasheet September 2014 Alliance Memory Inc. 511 Taylor Way, San Carlos, CA 94070 TEL: (650) 610-6800 FAX: (650) 620-9211 Alliance Memory Inc. reserves the right to change products or specification without notice Confidential -1- Rev.1.0 Sep. 2014AS4C64M32MD1 64M x 32 bit MOBILE DDR Synchronous DRAM (SDRAM) Confidential Advanced (Rev. 1.0, Sep. /2014) Feature Description - 4 banks x 16M x 32 organization The AS4C64M32MD1 is a four bank mobile - Two Die-stacked 4 banks x 16M x 16 DDR DRAM organized as 4 banks x 16M x 32. It - Data Mask for Write Control (DM) achieves high speed data transfer rates by - Four Banks controlled by BA0 & BA1 employing a chip architecture that pre-fetches - Programmable CAS Latency: 2, 3 multiple bits and then synchronizes the output data - Programmable Wrap Sequence: Sequential to a system clock. or Interleave - Programmable Burst Length: All of the controls, address, circuits are 2, 4, 8, for Sequential Type synchronized with the positive edge of an - 2, 4, 8, for Interleave Type externally supplied clock. I/O transactions are - Automatic and Controlled Precharge Command possible on both edges of DQS. - Power Down Mode Operating the four memory banks in an inter- - Auto Refresh and Self Refresh leaved fashion allows random access operation to - Refresh Interval: 8192 cycles/64ms occur at a higher rate than is possible with - Available in 90-ball BGA standard DRAMs. A sequential and gapless data - Double Data Rate (DDR) rate is possible depending on burst length, CAS - Bidirectional Data Strobe (DQS) for input latency and speed grade of the device. and output data, active on both edges - Differential clock inputs CLK and /CLK Additionally, the device supports low power - Power Supply 1.7V - 1.95V saving features like PASR, Auto-TCSR, DPD as - Drive Strength (DS) Option:Full, 1/2, 1/4, 1/8 well as options for different drive strength. Its - Auto Temperature-Compensated Self Refresh ideally suitable for mobile application. (Auto TCSR) - Partial-Array Self Refresh (PASR) Option: Full, 1/2, 1/4, 1/8, 1/16 - Deep Power Down (DPD) mode - Operating Temperature Range - Commercial -25C to 85C - Industrial -40C to 85C All parts are ROHS Compliant Table 1. Speed Grade Information Speed Grade Data rate Clock Frequency CAS Latency t (ns) t (ns) RCD RP 400Mbps (max) 200 MHz (max) 3 15 15 Table 2 Ordering Information for ROHS Compliant Products Product part No Org Temperature Package AS4C64M32MD1-5BCN 64M x 32 Commercial - 25C to 85C 90-ball FBGA (Extended) AS4C64M32MD1-5BIN 64M x 32 Industrial -40C to 85C 90-ball FBGA Confidential -2- Rev.1.0 Sep. 2014