參數(shù)資料
型號(hào): HM62W16258BLTTI-7
廠商: Hitachi,Ltd.
英文描述: 4 M SRAM (256-kword x 16-bit)
中文描述: 四米的SRAM(256 - KWord的x 16位)
文件頁(yè)數(shù): 6/16頁(yè)
文件大?。?/td> 70K
代理商: HM62W16258BLTTI-7
HM62W16258BI Series
6
AC Characteristics
(Ta = –40 to +85
°
C, V
CC
= 3.3 V
±
0.3 V, unless otherwise noted.)
Test Conditions
Input pulse levels: V
IL
= 0.4 V, V
IH
= 2.4 V
Input rise and fall time: 5 ns
Input timing reference levels: 1.4 V
Output timing reference levels: 1.4 V
Output load (Including scope and jig)
1.4 V
50 pF
500
Dout
Read Cycle
HM62W16258BI
-7
Parameter
Symbol
Min
Max
Unit
Notes
Read cycle time
t
RC
t
AA
t
ACS
t
OE
t
OH
t
BA
t
CLZ
t
BLZ
t
OLZ
t
CHZ
t
BHZ
t
OHZ
70
ns
Address access time
70
ns
Chip select access time
70
ns
Output enable to output valid
40
ns
Output hold from address change
LB
,
UB
access time
10
ns
70
ns
Chip select to output in low-Z
LB
,
UB
enable to low-z
10
ns
2, 3
5
ns
2, 3
Output enable to output in low-Z
5
ns
2, 3
Chip deselect to output in high-Z
LB
,
UB
disable to high-Z
0
25
ns
1, 2, 3
0
25
ns
1, 2, 3
Output disable to output in high-Z
0
25
ns
1, 2, 3
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