# IS66WVH64M8DBLL-166B1LI (Component) ## Description PSRAM (Pseudo SRAM) Memory IC 512Mbit HyperBus 166 MHz 36 ns 24-TFBGA (6x8) The IS66/67WVH64M8DALL/BLL are 512Mb Dual Die device containing two units of 256Mbit Pseudo Static Random Access Memory, organized as 64M words by 8 bits. 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 especially for Mobile and Automotive applications Key Features 512-Mbit (64M × 8) HyperRAM™ PSRAM High-speed HyperBus interface Clock frequency up to 166 MHz Fast 36 ns access time Single-ended clock architecture with reduced pin count Operating voltage range: 2.7 V to 3.6 V Industrial temperature range: −40°C to +85°C Low-power volatile memory solution Surface-mount 24-TFBGA (6 mm × 8 mm) package Suitable for graphics, AI edge devices, networking, and embedded systems requiring large external memory capacity. #CommonPartsLibrary #IntegratedCircuit #HyperRAM #PSRAM #ISSI #MemoryIC #HyperBus #EmbeddedSystems #IndustrialElectronics #IoT #HighSpeedMemory #BGA #VolatileMemory #EdgeComputing #HMI #ElectronicsDesign ## Component Details - **Owner:** adrian95 - **Created:** 6/22/2026 - **Last Updated:** 6/22/2026 - **Visibility:** Public - **Part Type:** Integrated Circuits - **Manufacturer Part Number:** IS66WVH64M8DBLL-166B1LI - **Compliance:** Rohs - **Symbol Style:** parametric-v1 - **Datasheet URL:** https://storage.googleapis.com/graviton-electric-symbols/document_assets/user-uploaded/e75a682993432b1b7ee07f82c6c1257e48451d2d3b5591c71e06961257427bc4.pdf - **Manufacturer Name:** ISSI, Integrated Silicon Solution Inc - **License:** https://creativecommons.org/licenses/by/4.0/ - **Used in:** 1 project ## Distributor Pricing (qty 1) *Pricing shown for quantity 1. For price breaks and other quantities, open in Flux.* | Distributor | Unit Price (qty 1) | Stock | |------------|--------------------|-------| | [Arrow](https://www.arrow.com/en/products/is66wvh64m8dbll-166b1li/integrated-silicon-solution-inc.html?utm_currency=USD) | N/A | N/A | - **Part Type:** Integrated Circuits - **Sub-Type:** Logic - **Manufacturer:** ISSI - **MPN:** IS66WVH64M8DBLL-166B1LI - **Mount Type:** Surface Mount - **Package / Case Code:** TFBGA - **Pin Count:** 24 - **Logic Function:** AND - **Compliance:** Rohs ## Pins | Pin | Name | Type | |-----|------|------| | A2 | RFU_1 | | | A3 | CS# | | | A4 | RESET# | | | A5 | RFU_2 | | | B1 | RFU_6 | | | B2 | CK | | | B3 | VSS | | | B4 | VCC | | | B5 | RFU_3 | | | C1 | VSSQ_1 | | | C2 | RFU_4 | | | C3 | RWDS | | | C4 | DQ2 | | | C5 | RFU_5 | | | D1 | VCCQ_1 | | | D2 | DQ1 | | | D3 | DQ0 | | | D4 | DQ3 | | | D5 | DQ4 | | | E1 | DQ7 | | | E2 | DQ6 | | | E3 | DQ5 | | | E4 | VCCQ_2 | | | E5 | VSSQ_2 | | --- *Generated from [https://www.flux.ai/adrian95/is66wvh64m8dbll-166b1li](https://www.flux.ai/adrian95/is66wvh64m8dbll-166b1li)*