參數(shù)資料
型號(hào): HM5259805B-A6
廠商: Elpida Memory, Inc.
英文描述: PT 32C 32#20 PIN PLUG
中文描述: 512M LVTTL接口SDRAM的133 MHz/100 MHz的8 Mword】16位】4-bank/16-Mword】8位】4銀行/ 32 Mword】4位】4銀行PC/133,電腦/ 100內(nèi)存
文件頁(yè)數(shù): 50/63頁(yè)
文件大?。?/td> 368K
代理商: HM5259805B-A6
HM5259165B/HM5259805B/HM5259405B-75/A6
Data Sheet E0118H10
50
AC Characteristics
(Ta = 0 to +70
C, V
CC
, V
CC
Q = 3.3 V ± 0.3 V, V
SS
, V
SS
Q = 0 V)
HM5259165B/
HM5259805B/
HM5259405B
-75
-A6
Parameter
Symbol
PC/100
Symbol
Min
Max
Min
Max
Unit
Notes
System clock cycle time
(
CAS
latency = 2)
(
CAS
latency = 3)
t
CK
t
CK
t
CKH
t
CKL
Tclk
10
10
ns
1
Tclk
7.5
10
ns
CLK high pulse width
Tch
2.5
3
ns
1
CLK low pulse width
Tcl
2.5
3
ns
1
Access time from CLK
(
CAS
latency = 2)
(
CAS
latency = 3)
t
AC
t
AC
t
OH
t
LZ
t
HZ
Tac
6
6
ns
1, 2
Tac
5.4
6
ns
Data-out hold time
Toh
2.7
3
ns
1, 2
CLK to Data-out low impedance
2
2
ns
1, 2, 3
CLK to Data-out high impedance
(
CAS
latency = 2, 3)
5.4
6
ns
1, 4
Input setup time
t
AS
, t
CS
, t
DS
,
t
CES
t
CESP
Tsi
1.5
2
ns
1, 5, 6
CKE setup time for power down
exit
Tpde
1.5
2
ns
1
Input hold time
t
AH
, t
CH
, t
DH
,
t
CEH
t
RC
Thi
0.8
1
ns
1, 5
Ref/Active to Ref/Active
command period
Trc
67.5
70
ns
1
Active to Precharge command
period
t
RAS
Tras
45
120000 50
120000 ns
1
Active command to column
command (same bank)
t
RCD
Trcd
20
20
ns
1
Precharge to active command
period
t
RP
Trp
20
20
ns
1
Write recovery or data-in to
precharge lead time
t
DPL
Tdpl
15
20
ns
1
Active (a) to Active (b) command
period
t
RRD
Trrd
15
20
ns
1
Transition time (rise and fall)
t
T
t
REF
1
5
1
5
ns
Refresh period
32
32
ms
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
HM5259805BTD-75 制造商:ELPIDA 制造商全稱:Elpida Memory 功能描述:512M LVTTL interface SDRAM 133 MHz/100 MHz 8-Mword 】 16-bit 】 4-bank/16-Mword 】 8-bit 】 4-bank /32-Mword 】 4-bit 】 4-bank PC/133, PC/100 SDRAM
HM5259805BTD-A6 制造商:ELPIDA 制造商全稱:Elpida Memory 功能描述:512M LVTTL interface SDRAM 133 MHz/100 MHz 8-Mword 】 16-bit 】 4-bank/16-Mword 】 8-bit 】 4-bank /32-Mword 】 4-bit 】 4-bank PC/133, PC/100 SDRAM
HM5264165 制造商:未知廠家 制造商全稱:未知廠家 功能描述:HM5264805 HM52654405 Series Synchronous Dynamic RAM
HM5264165-10 制造商: 功能描述: 制造商:undefined 功能描述:
HM5264165A60 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:64M LVTTL interface SDRAM 133 MHz/100 MHz