參數資料
型號: SMJ55166
廠商: Texas Instruments, Inc.
英文描述: 262144 BY 16-BIT MULTIPORT VIDEO RAM
中文描述: 262144由16位多端口視頻內存
文件頁數: 15/62頁
文件大?。?/td> 1403K
代理商: SMJ55166
SMJ55166
262144 BY 16-BIT
MULTIPORT VIDEO RAM
SGMS057C – APRIL 1995 – REVISED JUNE 1997
15
POST OFFICE BOX 1443
HOUSTON, TEXAS 77251–1443
byte-write operation (continued)
For late-write or read-modify-write cycles, WEL and WEU are both held high before CAS falls. After CAS falls,
either or both WEL and WEU are brought low to select the corresponding byte or bytes to be written. Data is
strobed in by either or both WEL and WEU with data setup and hold times for DQ0–DQ15 referenced to
whichever WEx falls earlier (see Figure 5).
DQ0–DQ15
WEU
WEL
CAS
RAS
Valid Input
th(WLD)
tsu(DWL)
Figure 5. Example of a Late-Write Cycle
相關PDF資料
PDF描述
SMJ626162 524288 BY 16-BIT BY 2-BANK SYNCHRONOUS DYNAMIC RANDOM-ACCESS MEMORY
SML-010DT Chip LEDs with reflectors
SML-010FT Chip LEDs with reflectors
SML-010JT Chip LEDs with reflectors
SML-010LT Chip LEDs with reflectors
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