MB85RS256BPNF-G-JNERE1
Kaga FEI America, Inc.
Needs validationmedium risk
Active SPI FRAM candidate with same package and voltage, but larger density needs firmware review.
Best Alternatives to MB85RS16PNF-G-JNERE1
MB85RS16PNF-G-JNERE1 is a 16 Kbit SPI FRAM in 8-pin SOP. Higher-density SPI FRAMs are possible candidates, but pinout and firmware must be reviewed.
AI replacement insight
Electrical riskmedium
Voltage matches for best candidates; current is missing.
Package riskmedium
Package text matches, but pinout is not proven.
Firmware riskhigh
Higher density may change addressing or limits.
Sourcing riskmedium
One SPI candidate is NRND.
Can it be replaced directly?
No verified pin-compatible replacement is supported by the provided evidence.
Best replacement path
MB85RS256BPNF-G-JNERE1 is the strongest active catalog candidate if larger memory is acceptable.
Main risk
Pinout and firmware behavior are not verified.
Recommended alternatives
3Alternative comparison matrix
| Feature / factor | MB85RS16PNF-G-JNERE1 | MB85RS256BPNF-G-JNERE1 | MB85RS128BPNF-G-JNERE1 | MB85RS64TPNF-G-JNERE2 | Compatibility / risk |
|---|---|---|---|---|---|
| Package | 8-pin SOP FPT-8P-M02 | 8-pin SOP FPT-8P-M02 | 8-pin SOP FPT-8P-M02 | 8-pin SOP FPT-8P-M02 | 8-pin SOP FPT-8P-M02 — Same package string; MB85RS128BPNF-G-JNERE1: Same package string; MB85RS64TPNF-G-JNERE2: Same package string |
| Pinout | 8-pin SPI FRAM | 8-pin SPI FRAM | 8-pin SPI FRAM | 8-pin SPI FRAM | 8-pin SPI FRAM — Pin functions not checked; MB85RS128BPNF-G-JNERE1: Pin functions not checked; MB85RS64TPNF-G-JNERE2: Pin functions not checked |
| Voltage | 2.7 V to 3.6 V | 2.7 V to 3.6 V | 2.7 V to 3.6 V | 1.8 V to 3.6 V | 2.7 V to 3.6 V / 1.8 V to 3.6 V — Range matches; MB85RS128BPNF-G-JNERE1: Range matches; MB85RS64TPNF-G-JNERE2: Covers target range |
| Interface | SPI, 20 MHz | SPI, 33 MHz | SPI, 33 MHz | SPI, 10 MHz | SPI, 33 MHz / SPI, 10 MHz — Clock rating higher; MB85RS128BPNF-G-JNERE1: Clock rating higher; MB85RS64TPNF-G-JNERE2: Clock must be reduced |
| Application | 16 Kbit, 2K x 8 | 256 Kbit, 32K x 8 | - | 64 Kbit, 8K x 8 | 256 Kbit, 32K x 8 / 64 Kbit, 8K x 8 — Firmware may change; MB85RS64TPNF-G-JNERE2: Firmware may change |
| Lifecycle | Active | - | Not For New Designs | - | Not For New Designs — Sourcing risk |
Application & sourcing insights
Questions & answers
From the provided data, MB85RS256BPNF-G-JNERE1 is the strongest active SPI FRAM candidate, pending pinout and firmware review.