W981208BH中文資料華邦電子數(shù)據(jù)手冊(cè)PDF規(guī)格書

GENERAL DESCRIPTION

W981208BH is a high-speed synchronous dynamic random access memory (SDRAM), organized as 4M words x 4 banks x 8 bits. Using pipelined architecture and 0.175 mm process technology, W981208BH delivers a data bandwidth of up to 143M words per second (-7). To fully comply with the personal computer industrial standard, W981208BH is sorted into three speed grades: -7, -75 and - 8H. The -7 is compliant to the 143 MHz/CL3 or PC133/CL2 specification, the -75 is compliant to the PC133/CL3 specification, the -8H is compliant to the PC100/CL2 specification

FEATURES

· 3.3V ±0.3V Power Supply

· Up to 143 MHz Clock Frequency

· 4,194,304 Words x 4 banks x 8 bits organization

· Auto Refresh and Self Refresh

· CAS Latency: 2 and 3

· Burst Length: 1, 2, 4, 8, and full page

· Burst Read, Single Writes Mode

· Byte Data Controlled by DQM

· Power-Down Mode

· Auto-Precharge and Controlled Precharge

· 4K Refresh cycles /64 mS

· Interface: LVTTL

· Packaged in TSOP II 54 pin, 400 mil - 0.80