參數(shù)資料
型號: UPD46128953-X
廠商: NEC Corp.
英文描述: 128M-BIT CMOS MOBILE SPECIFIED RAM 4M-WORD BY 32-BIT ADDRESS / DATA MULTIPLEXED EXTENDED TEMPERATURE OPERATION
中文描述: 128兆位CMOS移動指明內(nèi)存分詞由32位地址/數(shù)據(jù)復(fù)用溫度范圍
文件頁數(shù): 16/60頁
文件大?。?/td> 468K
代理商: UPD46128953-X
Preliminary Data Sheet M17506EJ1V1DS
16
μ
PD46128953-X
3. 3 Burst Length, Burst Sequence, Wrap Around
The burst length is 8 double words and the corresponding address is (A/DQ2, A/DQ1, A/DQ0). A burst operation that
extends over addresses higher than A/DQ3 cannot be executed.
Wrap-around is performed within the burst length of 8 double words. Refer to
Table 3-1. Burst Sequence
.
Table 3-1. Burst Sequence
Start Address
Burst Sequence
(A/DQ2 , A/DQ1, A/DQ0)
Linear , Wrap
1st data - 2nd data - 3rd data - 4th data - 5th data - 6th data - 7th data - 8th data
(0, 0, 0)
(0, 0, 0) - (0, 0, 1) - (0, 1, 0) - (0, 1, 1) - (1, 0, 0) - (1, 0, 1) - (1, 1, 0) - (1, 1, 1)
(0, 0, 1)
(0, 0, 1) - (0, 1, 0) - (0, 1, 1) - (1, 0, 0) - (1, 0, 1) - (1, 1, 0) - (1, 1, 1) - (0, 0, 0)
(0, 1, 0)
(0, 1, 0) - (0, 1, 1) - (1, 0, 0) - (1, 0, 1) - (1, 1, 0) - (1, 1, 1) - (0, 0, 0) - (0, 0, 1)
(0, 1, 1)
(0, 1, 1) - (1, 0, 0) - (1, 0, 1) - (1, 1, 0) - (1, 1, 1) - (0, 0, 0) - (0, 0, 1) - (0, 1, 0)
(1, 0, 0)
(1, 0, 0) - (1, 0, 1) - (1, 1, 0) - (1, 1, 1) - (0, 0, 0) - (0, 0, 1) - (0, 1, 0) - (0, 1, 1)
(1, 0, 1)
(1, 0, 1) - (1, 1, 0) - (1, 1, 1) - (0, 0, 0) - (0, 0, 1) - (0, 1, 0) - (0, 1, 1) - (1, 0, 0)
(1, 1, 0)
(1, 1, 0) - (1, 1, 1) - (0, 0, 0) - (0, 0, 1) - (0, 1, 0) - (0, 1, 1) - (1, 0, 0) - (1, 0, 1)
(1, 1, 1)
(1, 1, 1) - (0, 0, 0) - (0, 0, 1) - (0, 1, 0) - (0, 1, 1) - (1, 0, 0) - (1, 0, 1) - (1, 1, 0)
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