What risks should I check before replacing W9825G6KH-6I?

Check pinout, 3.3V range, SDRAM timing, temperature grade, density and controller support.

W9825G6KH-6I Alternatives, Datasheet & Cross Reference | Winbond Electronics Corporation

W9825G6KH-6I is a 256Mbit x16 industrial SDRAM in TSOP-54. Listed alternatives need FAE review because pinout evidence is not verified.

AI replacement insight

Electrical riskmedium

3.3V matches on best candidate, but timing must be checked.

Package riskmedium

TSOP-54 matches, but pin maps are not verified.

Firmware riskmedium

Density or timing changes may require controller updates.

Sourcing riskmedium

Lifecycle text is limited to catalog fields.

Can it be replaced directly?

Direct replacement for W9825G6KH-6I should use only Datasheet verified or Strong match candidates; many approved options still require engineering review.

Best replacement path

Check W9825G6KH-6 first if commercial temperature is acceptable; otherwise seek the exact -6I grade.

Main risk

Temperature grade and pinout validation are the main risks.

Recommended alternatives

W9825G6KH-6 matches core SDRAM specs but has a weaker commercial temperature range.

View details

Alternative comparison matrix

Feature / factor	W9825G6KH-6I	W9825G6KH-6	AS4C32M16SC-7TIN	Compatibility / risk
Application	256M 16Mx16 166MHz	256M 16Mx16 166MHz	512M 32Mx16 143MHz	256M 16Mx16 166MHz / 512M 32Mx16 143MHz — same density org speed; AS4C32M16SC-7TIN: larger but slower
Voltage	3.3V	3.3V	3.3V	3.3V — same supply; AS4C32M16SC-7TIN: summary states 3.3V
Temperature	-40C to +85C	0C to 70C	+85C max	0C to 70C / +85C max — commercial temp; AS4C32M16SC-7TIN: min temp missing
Package	TSOP-54	TSOP-54	TSOP-54	TSOP-54 — same package; AS4C32M16SC-7TIN: same package name
Pinout	54 pins	54 pins	missing	54 pins / missing — pin map unchecked; AS4C32M16SC-7TIN: pin count is 0

Application & sourcing insights

Questions & answers

Verified drop-in options for W9825G6KH-6I are limited in the current batch. Review candidates marked Strong match or Datasheet verified, and validate package, pinout, and electrical limits before committing a BOM change.