Hwaling Technology Co., Ltd.

Products

LPDDR4 SDRAM

Product Name : 32Gb (128Mx8Banks×32) Low Power DDR4 SDRAM

Item No. : H2AB32G32D6C

Description

H2AB32G32D6C uses the double data rate architecture on the Command/Address (CA) bus to reduce the number of input pins in the system. Each command uses one clock cycle,during which command information is transferred on both the positive and negative edge of the clock. To achieve high-speed operation,our H2AB32G32D6C SDRAM adopt 16n-prefetch interface designed to transfer two data per clock cycle at the I/O pins. A single read or write access for the H2AB32G32D6C effectively consists of a single 8n-bit wide, one clock cycle data transfer
at the internal SDRAM core and eight corresponding n-bit wide,one-half-clock-cycle data transfer at the I/O pins. Read and write accesses to the H2AB32G32D6C are burst oriented; accesses start at a selected location and continue for a programmed number of locations in a programmed sequence.

For H2AB32G32D6C devices, accesses begin with the registration of an Active command, which is then followed by a Read or Write command. The address and BA bits registered coincident with the Active command are used to select the row and the Bank to be accessed. The address bits registered coincident with the Read or Write command are used to select the Bank and the starting column location for the burst access.
H2AB32G32D6C_Low-Power-DDR4_1024Mx32 (1015 KB)
Features
  • Bidirectional, data strobe (DQS,/DQS) is transmitted/ received with data, to be used in capturing data at the receiver
  • Differential clock inputs (CK and /CK)
  • Differential data strobe (DQS and /DQS)
  • Commands & addresses entered on both positive & negative CK edge; data and data mask referenced to both edges of DQS
  • Eight internal banks for concurrent operation
  • Data mask (DM) for write data
  • Programmable Burst Lengths: 16,32
  • Programmable and on-the-fly burst lengths = 16, 32
  • Burst type: Sequential or interleave
  • Programmable RL (Read latency) & WL (Write latency)
  • Clock Stop capability during idle period
  • Auto Pre-charge for each burst access
  • Configurable Drive Strength (DS)
  • Auto Refresh and Self Refresh Modes
  • Optional Partial Array Self Refresh (PASR) and Temperature Compensated Self Refresh (TCSR)
  • Deep Power Down Mode (DPD)
  • VDD2/VDDCA/VDDQ= 1.06~1.17V; VDD1=1.70~1.95V
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