
Integrated Circuits (ICs)
SST39VF400A-70-4I-B3KE-T
ActiveMicrochip Technology
2.7V TO 3.6V 4MBIT MULTI-PURPOSE FLASH 48 TFBGA 6X8X1.2MM T/R ROHS COMPLIANT: YES
Deep-Dive with AI
Search across all available documentation for this part.

Integrated Circuits (ICs)
SST39VF400A-70-4I-B3KE-T
ActiveMicrochip Technology
2.7V TO 3.6V 4MBIT MULTI-PURPOSE FLASH 48 TFBGA 6X8X1.2MM T/R ROHS COMPLIANT: YES
Deep-Dive with AI
Technical Specifications
Parameters and characteristics for this part
| Specification | SST39VF400A-70-4I-B3KE-T |
|---|---|
| Access Time | 70 ns |
| Memory Depth | 256 K |
| Memory Format | FLASH |
| Memory Interface (Type) | Parallel |
| Memory Size | 4 Mbit |
| Memory Type | Non-Volatile |
| Memory Width | 16 bit |
| Mounting Type | Surface Mount |
| Operating Temperature (Max) | 85 °C |
| Operating Temperature (Min) | -40 °C |
| Package / Case | 48-TFBGA |
| Package Name | 48-TFBGA |
| Technology | FLASH |
| Voltage - Supply (Maximum) | 3.6 V |
| Voltage - Supply (Minimum) | 2.7 V |
| Write Cycle Time - Page | 20 µs |
| Write Cycle Time - Word | 20 µs |
| Part | Package Length | Package Name | Package Width | Memory Type | Memory Interface (Type) | Write Cycle Time - Word | Write Cycle Time - Page | Technology | Operating Temperature (Max) | Operating Temperature (Min) | Memory Size | Voltage - Supply (Maximum) | Voltage - Supply (Minimum) | Memory Width | Memory Depth | Mounting Type | Memory Format | Access Time | Package / Case |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Microchip Technology | 6 mm | 48-WFBGA | 4 mm | Non-Volatile | Parallel | 20 µs | 20 µs | FLASH | 85 °C | -40 °C | 4 Mbit | 3.6 V | 2.7 V | 16 bit | 256 K | Surface Mount | FLASH | 70 ns | 48-WFBGA |
Microchip Technology | 6 mm | 48-WFBGA | 4 mm | Non-Volatile | Parallel | 20 µs | 20 µs | FLASH | 70 °C | 0 °C | 4 Mbit | 3.6 V | 2.7 V | 16 bit | 256 K | Surface Mount | FLASH | 70 ns | 48-WFBGA |
Microchip Technology | 6 mm | 48-TFBGA | 8 mm | Non-Volatile | Parallel | 20 µs | 20 µs | FLASH | 70 °C | 0 °C | 4 Mbit | 3.6 V | 2.7 V | 16 bit | 256 K | Surface Mount | FLASH | 70 ns | 48-TFBGA |
Microchip Technology | 48-TFBGA | Non-Volatile | Parallel | 20 µs | 20 µs | FLASH | 85 °C | -40 °C | 4 Mbit | 3.6 V | 2.7 V | 16 bit | 256 K | Surface Mount | FLASH | 70 ns | 48-TFBGA | ||
Microchip Technology | 6 mm | 48-WFBGA | 4 mm | Non-Volatile | Parallel | 20 µs | 20 µs | FLASH | 70 °C | 0 °C | 4 Mbit | 3.6 V | 2.7 V | 16 bit | 256 K | Surface Mount | FLASH | 70 ns | 48-WFBGA |
Microchip Technology | 48-TFBGA | Non-Volatile | Parallel | 20 µs | 20 µs | FLASH | 85 °C | -40 °C | 4 Mbit | 3.6 V | 2.7 V | 16 bit | 256 K | Surface Mount | FLASH | 70 ns | 48-TFBGA | ||
Microchip Technology | 0.724 " | 48-TFSOP 48-TSOP | 18.4 mm | Non-Volatile | Parallel | 20 µs | 20 µs | FLASH | 85 °C | -40 °C | 4 Mbit | 3.6 V | 2.7 V | 16 bit | 256 K | Surface Mount | FLASH | 70 ns | |
Microchip Technology | 6 mm | 48-WFBGA | 4 mm | Non-Volatile | Parallel | 20 µs | 20 µs | FLASH | 85 °C | -40 °C | 4 Mbit | 3.6 V | 2.7 V | 16 bit | 256 K | Surface Mount | FLASH | 70 ns | 48-WFBGA |
Microchip Technology | 6 mm | 48-TFBGA | 8 mm | Non-Volatile | Parallel | 20 µs | 20 µs | FLASH | 70 °C | 0 °C | 4 Mbit | 3.6 V | 2.7 V | 16 bit | 256 K | Surface Mount | FLASH | 70 ns | 48-TFBGA |
Microchip Technology | 0.724 " | 48-TFSOP 48-TSOP | 18.4 mm | Non-Volatile | Parallel | 20 µs | 20 µs | FLASH | 70 °C | 0 °C | 4 Mbit | 3.6 V | 2.7 V | 16 bit | 256 K | Surface Mount | FLASH | 70 ns |
Pricing
Prices provided here are for design reference only. For realtime values and availability, please visit the distributors directly
| Distributor | Package | Quantity | $ | Updated |
|---|---|---|---|---|
| Digikey | Tape & Reel (TR) | 2500 | $ 1.65 | <1d |
| Microchip Direct | T/R | 1 | $ 2.00 | 1m+ |
| 25 | $ 1.85 | |||
| 100 | $ 1.54 | |||
| 1000 | $ 1.35 | |||
| 5000 | $ 1.28 | |||
| Newark | Each (Supplied on Full Reel) | 100 | $ 1.59 | 1m+ |
CAD
3D models and CAD resources for this part
Description
General part information
SST39VF400A Series
Organized as 128K x16 / 256K x16 / 512K x16
Single Voltage Read and Write Operations – 3.0-3.6V for SST39LF200A/400A/800A – 2.7-3.6V for SST39VF200A/400A/800A
Superior Reliability – Endurance: 100,000 Cycles (typical) – Greater than 100 years Data Retention
Documents
Technical documentation and resources