Density 128M
Org 16Mx8
Vcc 2.7-3.6V
Status Prod
Pkg Pins BGA(24)
Speed Mhz 100
Comment Previous Rev
Item 66 = Pseudo SRAM/HyperRAM™
Vdd(V) BLL = 3V
Density Configuration 16M8 = 128Mb /16M x8
Package Code B1 = 24-ball TFBGA
ROHS Version L = true
Product Type WVH = HyperRAM
Temperature Range I = Industrial (-40°C to 85°C)
Speed 100 = 100 MHz

IS66WVH16M8BLL-100B1LI Features

  • 3.0V I/O, 11 bus signals
    • Single ended clock (CK)
  • 1.8V I/O, 12 bus signals
    • Differential clock (CK, CK#)
  • Chip Select (CS#)
  • 8-bit data bus (DQ[7:0])
  • Read-Write Data Strobe (RWDS)
    • Bidirectional Data Strobe / Mask
    • Output at the start of all transactions to indicate refresh latency
    • Output during read transactions as Read Data Strobe
    • Input during write transactions as Write Data Mask
  • RWDS DCARS Timing
    • During read transactions RWDS is offset by a second clock, phase shifted from CK
    • The Phase Shifted Clock is used to move the RWDS transition edge within the read data eye Performance Summary High Performance
  • Up to 333MB/s
  • Double-Data Rate (DDR) - two data transfers per clock
  • 166-MHz clock rate (333 MB/s) at 1.8V VCC
  • 100-MHz clock rate (200 MB/s) at 3.0V VCC
  • Sequential burst transactions
  • Configurable Burst Characteristics
    • Wrapped burst lengths:
    • 16 bytes (8 clocks)
    • 32 bytes (16 clocks)
    • 64 bytes (32 clocks)
    • 128 bytes (64 clocks)
    • Linear burst
    • Hybrid option - one wrapped burst followed by linear burst
    • Wrapped or linear burst type selected in each transaction
    • Configurable output drive strength


The IS66/67WVH16M8ALL/BLL are integrated memory device of 128Mbit Pseudo Static Random Access Memory using a self-refresh DRAM array organized as 16M words by 8 bits. The device is a dual die stack of two 64Mb die. The device supports a HyperBus interface, Very Low Signal Count (Address, Command and data through 8 DQ pins), Hidden Refresh Operation, and Automotive Temperature Operation, designed specially for Mobile and Automotive applications.


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