參數(shù)資料
型號(hào): HM65W8512
廠商: Hitachi,Ltd.
英文描述: 4 M PSRAM (512-kword ×8-bit)(4 M PSRAM (512k字 ×8位))
中文描述: 4個(gè)M移動(dòng)存儲(chǔ)芯片(512 KWord的× 8位)(4個(gè)M移動(dòng)存儲(chǔ)芯片(為512k字× 8位))
文件頁(yè)數(shù): 9/20頁(yè)
文件大小: 160K
代理商: HM65W8512
HM65W8512 Series
9
AC Characteristics
(Ta = 0 to +70
°
C, V
CC
= 3.3 V
±
0.3 V, unless otherwise noted.)
Test Conditions
Input pulse levels: 0.6 V, 2.4 V
Input rise and fall time: 5 ns
Timing measurement level: 1.5 V
Reference levels: V
OH
= 2.1 V, V
OL
= 0.9 V
Output load: C
L
(50 pF) (Including scope and jig)
HM65W8512-12
HM65W8512-15
Parameter
Symbol
Min
Max
Min
Max
Unit
Notes
Random read or write cycle time
t
RC
t
CEA
t
RWC
t
OEA
t
CHZ
t
CLZ
t
OHZ
t
OLZ
t
CE
t
P
t
AS
t
AH
t
RCS
t
RCH
t
WP
t
CW
t
OCD
190
230
ns
Chip enable access time
120
150
ns
Read-modify- write cycle time
250
290
ns
Output enable access time
60
80
ns
Chip disable to output in high-Z
0
30
0
30
ns
1, 2
Chip enable to output in low-Z
20
20
ns
2
Output disable to output in high-Z
30
30
ns
1, 2
Output enable to output in low-Z
0
0
ns
2
Chip enable pulse width
120
10000
150
10000
ns
Chip enable precharge time
70
80
ns
Address setup time
0
0
ns
Address hold time
30
30
ns
Read command setup time
0
0
ns
Read command hold time
0
0
ns
Write command pulse width
35
35
ns
Chip enable to end of write
120
150
ns
Chip enable to output enable delay
time
0
0
ns
Output enable hold time
t
OHC
15
15
ns
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