Datasheet4U Logo Datasheet4U.com

Bt458, Bt451 Monolithic CMOS 256-Color Palette RAMDAC

Bt458 Description

Bt451 Bt457 125 MHz/135 MHz/165 MHz Monolithic CMOS 256 Color Palette RAMDAC Bt458 The Bt457 and Bt458 are pin and software-compatible RAMDACs desi.
Pin Descriptions The Bt4978 is available in both 84-pin Plastic Leaded Chip Carrier (PLCC) and Ceramic PGA packages, as illustrated in Figure 1 and 2.

Bt458 Features

* include programmable blink rates, bit plane masking and blinking, color overlay capability, and a dual-port color palette RAM. Functional Block Diagram CLOCK
* CLOCK VAA GND FSADJUST VREF Distinguishing Features
* 165, 135, 125, 110, 80 MHz operation
* 4:1 or 5:1 input mux

Bt458 Applications

* High-resolution color graphics
* CAE/CAD/CAM
* Image processing
* Video reconstruction LD
* P[7:0] 40 (A-E) OL[1,0] 10 (A-E) SYNC
* BLANK
* CLOCK Load Control 40 40 Latch Latch 10 10 MUX Control Blink Control 8 8 MUX Read Blink Mask Mask 2 2

📥 Download Datasheet

This datasheet PDF includes multiple part numbers: Bt458, Bt451. Please refer to the document for exact specifications by model.
datasheet Preview Page 2 datasheet Preview Page 3

Datasheet Details

Part number
Bt458, Bt451
Manufacturer
Brooktree
File Size
639.59 KB
Datasheet
Bt451-Brooktree.pdf
Description
Monolithic CMOS 256-Color Palette RAMDAC
Note
This datasheet PDF includes multiple part numbers: Bt458, Bt451.
Please refer to the document for exact specifications by model.

📁 Related Datasheet

  • BT458 - (BT457 / BT458) Monolithic CMOS 256 Color Palette RAMDAC (Conexant Systems)
  • BT45228 - LCD (BATRON)
  • BT45258 - LCD (BATRON)
  • BT457 - (BT457 / BT458) Monolithic CMOS 256 Color Palette RAMDAC (Conexant Systems)
  • BT401 - DC/DC Converters (ETC)
  • BT402 - DC/DC Converters (ETC)
  • BT403 - DC/DC Converters (ETC)
  • BT404 - DC/DC Converters (ETC)

📌 All Tags

Monolithic CMOS 256-Color Palette RAMDAC Brooktree
Brooktree Bt458-like datasheet