參數(shù)資料
型號： MF3257-LCDATXX
廠商： Mitsubishi Electric Corporation
英文描述： 8/16-bit Data Bus Static RAM Card
中文描述： 16位產(chǎn)品數(shù)據(jù)總線靜態(tài)存儲器卡
文件頁數(shù)： 10/14頁
文件大?。?/td> 101K
代理商： MF3257-LCDATXX
MITSUBISHI MEMORY CARD
STATIC RAM CARDS
MITSUBISHI
ELECTRIC
10/14 Apr. 1999 Rev. 1.2
TIMING DIAGRAM (Attribute)
Read Cycle
An
V
IL
WE#=“H” level
REG#=“L” level
Note 5 : Test Conditions
Input pulse levels : V
IL
=0.4V, V
IH
=4.0V
Input pulse rise, fall time : tr=tf=10ns
Reference voltage
Input : V
IL
=0.8V, V
IH
=3.5V
Output : V
OL
=0.8V, V
OH
=3.0V
(ten and tdis are measured when output voltage is ± 500mV from steady state. )
Load : 100pF + 1 TTL gate
5pF + 1 TTL gate (at ten and tdis measuring)
6 : Indicates the don’t care input
7 : Writing is executed in overlap of CE# and WE# are “L” level. (only for Common Memory)
8 : Don’t apply inverted phase signal externally when Dm pin is in output mode.
9 : CE# is indicated as follows:
Read A/Write A : CE#=CE1#=CE2#
Read B/Write B : CE#=CE1#, CE2#=“H” level
Read C/Write C : CE#=CE2#, CE1#=“H” level
tcRR
t
a
(
A
)
R
ta
(
CE
)
R
ten(CE)R
ten(OE)R
tdis(OE)R
t
V
(
A
)
R
ta(OE)R
OUTPUT VALID
Hi-Z
t
dis
(CE)R
V
IH
Dm
(D
OUT
)
V
OH
V
OL
OE#
V
IH
V
IL
CE#
V
IH
V
IL
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