Part Review and Datasheet Verification

adrian95

adrian95

Populate all terminal pin types and descriptions from the ISSI datasheet. and fix B1 mismatch

flux

I’ll update the terminal metadata from the ISSI datasheet and correct B1 so the 3.0V BLL variant treats it as RFU/no-connect.

flux

I confirmed the current terminal list: B1 is still labeled CK#, and all 24 terminals need datasheet-derived pin metadata.

flux

Updated all 24 terminal pin types and descriptions from the ISSI datasheet, using Flux-standard pin type values. Fixed the B1 mismatch by renaming CK# to RFU_6 and marking it Not Connected with a BLL-specific RFU description.
Open items:
  • None for the requested metadata update.
Suggested next steps:
  1. Verify the rendered symbol still has the desired visual grouping after CK# → RFU_6.
  2. Re-check the footprint pad geometry/pitch before publishing the part.
Verify symbol and footprint
Check visual grouping
Inspect footprint geometry
Run ERC and DRC
Update review document
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DQ2
Pin Number
C4
RFU_6
Pin Number
B1
RESET#
Pin Number
A4
DQ0
Pin Number
D3
RWDS
Pin Number
C3
RFU_3
Pin Number
B5
CS#
Pin Number
A3
VSS
Pin Number
B3
RFU_4
Pin Number
C2
DQ7
Pin Number
E1
DQ5
Pin Number
E3
VCCQ_1
Pin Number
D1
DQ6
Pin Number
E2
DQ3
Pin Number
D4
RFU_5
Pin Number
C5
VCCQ_2
Pin Number
E4
DQ1
Pin Number
D2
RFU_2
Pin Number
A5
CK
Pin Number
B2
VCC
Pin Number
B4
VSSQ_2
Pin Number
E5
DQ4
Pin Number
D5
VSSQ_1
Pin Number
C1
RFU_1
Pin Number
A2
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IS66WVH64M8DBLL-166B1LI

IS66WVH64M8DBLL-166B1LI thumbnail
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

Properties

IS66WVH64M8DBLL-166B1LI

ISSI, Integrated Silicon Solution Inc

Integrated Circuits

issi.com/WW/pdf/66-67WVH64M8DALL-BLL.pdf

IC

Rohs

parametric-v1

creativecommons.org/licenses/by/4.0/

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