AL440B Datasheet, PDF (1/2 Pages) AverLogic Technologies Inc – 4M-Bit High Speed FIFO Field Memory

AL440B
4M-Bit High Speed FIFO Field Memory
Applications
- Multimedia systems
- Video capture or editing systems for
NTSC/PAL or SVGA resolution
- Security systems
- Scan rate converter
- PIP(Picture In Picture) video display
- TBC(Time Base Correction)
- Frame Synchronizer
- Digital Video Camera
- Hard Disk cache memory
- Buffer for Communication System
* 80MHz High-Speed Version
- DTV/HDTV video stream buffer
Description
The AL440B is a high-performance FIFO
(First-In-First-Out) field memory chip
designed to buffer audio/video/graphic
digital data for a wide range of applications.
Features
• 4Mbits (512k x 8 bits) organization FIFO
• Independent 8-bit data I/O port operations
• Available in 2 speed grades: 80 and 40Mhz
• Input Enable control (write mask)
• Output Enable control (data skipping)
• Supports Input ready/Output ready flags
• Selectable control signal polarity
• Programmable window mode data access
with mirroring function support
• Self-refresh
• 5V signals input tolerance
• 3.3V±10% power supply
• Standard 44-pin TSOP (II) package
Ordering Information
Part number
Package
AL440B-24
(40MHz)
44-pin plastic
TSOP(II)
AL440B-12
(80MHz)
44-pin plastic
TSOP(II)
Power supply
+3.3V±10%
+3.3V±10%
44 43 42 41 40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 25 24 23
AVERLOGIC
AL440B-XX
XXXXX
XXXX
Speed
Lot Number
Date Code
14
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22
AL440B-12/24 TSOP (II) pinout diagram