Products > UNIVERSAL STANDARD EEPROM > SIGNATURE SERIES Microwore BUS SIGNATURE SERIES Microwire BUS BR93C□□ family ▪ Three-wire serial communication interface consisting of two control inputs (chip select and serial clock), plus one serial data input line and one serial data output line ▪ 2MHz clock frequency ▪ Fast speed write possible [write time 5ms. (Max.)] -40ºC to +85ºC, -40ºC to +105ºC ▪ Identical package and pin configuration from 1Kbit to 16Kbit, to simplify design Supply voltage   2.5v to 5.5v   Operating temperature   -40ºC to +85ºC   type Part Number Density Bit configuration Supply voltage Operating temperature Package SO8 narrow TSSOP8 TSSOP8 3×3mm² BR93C46-W□□6TP 1Kbit 64×16 2.5V to 5.5V -40ºC to +85ºC BR93C46-WMN6TP (BR93C46-TWMN6TP) BR93C46-WDW6TP BR93C46-WDS6TP BR93C56-W□□6TP 2Kbit 128×16 BR93C56-WMN6TP (BR93C56-TWMN6TP) BR93C56-WDW6TP BR93C56-WDS6TP BR93C66-W□□6TP 4Kbit 256×16 BR93C66-WMN6TP (BR93C66-TWMN6TP) BR93C66-WDW6TP BR93C66-WDS6TP BR93C76-W□□6TP 8Kbit 512×16 BR93C76-WMN6TP (BR93C76-TWMN6TP) BR93C76-WDW6TP BR93C76-WDS6TP BR93C86-W□□6TP 16Kbit 1K×16 BR93C86-WMN6TP (BR93C86-TWMN6TP) BR93C86-WDW6TP BR93C86-WDS6TP Supply voltage   4.5v to 5.5v   Operating temperature   -40ºC to +85ºC   type Part Number Density Bit configuration Supply voltage Operating temperature Package SO8 narrow TSSOP8 TSSOP8 3×3mm² BR93C46-□□6TP 1Kbit 64×16 4.5V to 5.5V -40ºC to +85ºC BR93C46-MN6TP (BR93C46-TMN6TP) BR93C46-DW6TP BR93C46-DS6TP BR93C56-□□6TP 2Kbit 128×16 BR93C56-MN6TP (BR93C56-TMN6TP) BR93C56-DW6TP BR93C56-DS6TP BR93C66-□□6TP 4Kbit 256×16 BR93C66-MN6TP (BR93C66-TMN6TP) BR93C66-DW6TP BR93C66-DS6TP BR93C76-□□6TP 8Kbit 512×16 BR93C76-MN6TP (BR93C76-TMN6TP) BR93C76-DW6TP BR93C76-DS6TP BR93C86-□□6TP 16Kbit 1K×16 BR93C86-MN6TP (BR93C86-TMN6TP) BR93C86-DW6TP BR93C86-DS6TP Supply voltage   2.5v to 5.5v   Operating temperature   -40ºC to +105ºC   type Part Number Density Bit configuration Supply voltage Operating temperature Package SO8 narrow TSSOP8 TSSOP8 3×3mm² BR93C46-W□□7TP 1Kbit 64×16 2.5V to 5.5V -40ºC to +105ºC BR93C46-WMN7TP (BR93C46-TWMN7TP) — — BR93C56-W□□7TP 2Kbit 128×16 BR93C56-WMN7TP (BR93C56-TWMN7TP) — — BR93C66-W□□7TP 4Kbit 256×16 BR93C66-WMN7TP (BR93C66-TWMN7TP) — — BR93C76-W□□7TP 8Kbit 512×16 BR93C76-WMN7TP (BR93C76-TWMN7TP) — — BR93C86-W□□7TP 16Kbit 1K×16 BR93C86-WMN7TP (BR93C86-TWMN7TP) — — Supply voltage   4.5v to 5.5v   Operating temperature   -40ºC to +105ºC   type Part Number Density Bit configuration Supply voltage Operating temperature Package SO8 narrow TSSOP8 TSSOP8 3×3mm² BR93C46-□□7TP 1Kbit 64×16 4.5V to 5.5V -40ºC to +105ºC BR93C46-MN7TP (BR93C46-TMN7TP) — — BR93C56-□□7TP 2Kbit 128×16 BR93C56-MN7TP (BR93C56-TMN7TP) — — BR93C66-□□7TP 4Kbit 256×16 BR93C66-MN7TP (BR93C66-TMN7TP) — — BR93C76-□□7TP 8Kbit 512×16 BR93C76-MN7TP (BR93C76-TMN7TP) — — BR93C86-□□7TP 16Kbit 1K×16 BR93C86-MN7TP (BR93C86-TMN7TP) — — Supply voltage   2.5v to 5.5v   Operating temperature   -40ºC to +125ºC   type Part Number Density Bit configuration Supply voltage Operating temperature Package SO8 narrow TSSOP8 TSSOP8 3×3mm² BR93C46-W□□3TP 1Kbit 64×16 2.5V to 5.5V -40ºC to +125ºC BR93C46-WMN3TP — — BR93C56-W□□3TP 2Kbit 128×16 BR93C56-WMN3TP — — BR93C66-W□□3TP 4Kbit 256×16 BR93C66-WMN3TP — — BR93C76-W□□3TP 8Kbit 512×16 BR93C76-WMN3TP — — BR93C86-W□□3TP 16Kbit 1K×16 BR93C86-WMN3TP — — :Under Development