Products > UNIVERSAL STANDARD EEPROM >HIGH RELIABILITY SERIES Microwire BUS HIGH RELIABILITY SERIES Microwire BUS BR93□□□ family ▪ Serial 3-wire interface: chip select, serial clock, and serial data I/O ▪ High speed clock frequency — 2MHz (BR93L□□, BR93A□□) ▪ High speed write possible — 5msec (Max.) (BR93L□□, BR93A□□) ▪ Identical package and pin configuration from 1Kbit to 16Kbit, to simplify design. ▪ Operates on a single power source — from 1.8V to 5.5V (BRL93□□) ▪ High reliability Au pad-Au wire connection ▪ High ESD resistance: 8kV (BR93H□□) Supply voltage   1.8v to 5.5v   Operating temperature   -40ºC to +85ºC  type Part Number Density Bit configuration Supply voltage Operating temperature Package SOP-J8 TSSOP-B8 TSSOP-B8J BR93L46-W 1Kbit 64×16 1.8V to 5.5V -40ºC to +85ºC BR93L46RFJ-W (BR93L46FJ-W) BR93L46RFVT-W (BR93L46FVT-W) BR93L46RFVJ-W BR93L56-W 2Kbit 128×16 BR93L56RFJ-W (BR93L56FJ-W) BR93L56RFVT-W (BR93L56FVT-W) BR93L56RFVJ-W BR93L66-W 4Kbit 256×16 BR93L66RFJ-W (BR93L66FJ-W) BR93L66RFVT-W (BR93L66FVT-W) BR93L66RFVJ-W BR93L76-W 8Kbit 512×16 BR93L76RFJ-W (BR93L76FJ-W) BR93L76RFVT-W BR93L76RFVJ-W BR93L86-W 16Kbit 1K×16 BR93L86RFJ-W (BR93L86FJ-W) BR93L86RFVT-W BR93L86RFVJ-W Supply voltage   2.5v to 5.5v   Operating temperature   -40ºC to +105ºC  type Part Number Density Bit configuration Supply voltage Operating temperature Package SOP-J8 TSSOP-B8 TSSOP-B8J BR93A46-W 1Kbit 64×16 2.5V to 5.5V -40ºC to +105ºC BR93A46RFJ-W — — BR93A56-W 2Kbit 128×16 BR93A56RFJ-W — — BR93A66-W 4Kbit 256×16 BR93A66RFJ-W — — BR93A76-W 8Kbit 512×16 BR93A76RFJ-W — — BR93A86-W 16Kbit 1K×16 BR93A86RFJ-W — — Supply voltage   2.7v to 5.5v   Operating temperature   -40ºC to +125ºC  type            Hyper-ESD protection Part Number Density Bit configuration Supply voltage Operating temperature Package SOP-J8 TSSOP-B8 TSSOP-B8J BR93H46-W 1Kbit 64×16 2.7V to 5.5V -40ºC to +125ºC BR93H46RFJ-W — — BR93H56-W 2Kbit 128×16 BR93H56RFJ-W — — BR93H66-W 4Kbit 256×16 BR93H66RFJ-W — — BR93H76-W 8Kbit 512×16 BR93H76RFJ-W — — BR93H86-W 16Kbit 1K×16 BR93H86RFJ-W — — : Under Development