參數(shù)資料
型號: HM5212325FBPC-B60
廠商: Hitachi,Ltd.
英文描述: 128M LVTTL interface SDRAM 100 MHz 1-Mword x 32-bit x 4-bank PC/100 SDRAM
中文描述: 128M的LVTTL接口SDRAM的100兆赫1 - Mword × 32位× 4個銀行PC/100 SDRAM的
文件頁數(shù): 9/13頁
文件大?。?/td> 58K
代理商: HM5212325FBPC-B60
HM5212325FBPC-B60
9
AC Characteristics
(Tcase = 0 to +70
°
C [Tj max = 110
°
C]), V
CC
= 3.3 V
±
0.3 V, V
SS
= 0 V)
HM5212325F
-B60
Parameter
HITACHI
Symbol
PC/100
Symbol
Min
Max
Unit
Notes
System clock cycle time
(
CAS
latency = 2)
(
CAS
latency = 3)
t
CK
t
CK
t
CKH
t
CKL
Tclk
15
ns
1
Tclk
10
ns
CLK high pulse width
Tch
3
ns
1
CLK low pulse width
Tcl
3
ns
1
Access time from CLK
(
CAS
latency = 2)
(
CAS
latency = 3)
t
AC
t
AC
t
OH
t
LZ
t
HZ
t
AS
, t
CS
, t
DS
,
t
CES
t
CESP
Tac
8
ns
1, 2
Tac
6
ns
Data-out hold time
Toh
3
ns
1, 2
CLK to Data-out low impedance
2
ns
1, 2, 3
CLK to Data-out high impedance
6
ns
1, 4
Input setup time
Tsi
2
ns
1, 5, 6
CKE setup time for power down
exit
Tpde
2
ns
1
Input hold time
t
AH
, t
CH
, t
DH
,
t
CEH
t
RC
Thi
1
ns
1, 5
Ref/Active to Ref/Active command
period
Trc
70
ns
1
Active to Precharge command
period
t
RAS
Tras
50
120000
ns
1
Active command to column
command (same bank)
t
RCD
Trcd
20
ns
1
Precharge to active command
period
t
RP
Trp
20
ns
1
Write recovery or data-in to
precharge lead time
t
DPL
Tdpl
10
ns
1
Active (a) to Active (b) command
period
t
RRD
Trrd
20
ns
1
Transition time (rise and fall)
t
T
t
REF
1
5
ns
Refresh period
64
ms
相關PDF資料
PDF描述
HM5212325FBPC 128M LVTTL interface SDRAM(128M LVTTL 接口同步DRAM)
HM5212325F INFRARED LIGHT EMITTING DIODE
HM5212325F-B60 LED ORANGE J-TYPE SMD TAPE/REEL
HM5212805F 128M LVTTL interface SDRAM(128M LVTTL 接口同步DRAM)
HM5212165F 128M LVTTL interface SDRAM(128M LVTTL 接口同步DRAM)
相關代理商/技術參數(shù)
參數(shù)描述
HM5212805FLTD-75 制造商:ELPIDA 制造商全稱:Elpida Memory 功能描述:128M LVTTL interface SDRAM 133 MHz/100 MHz 2-Mword × 16-bit × 4-bank/4-Mword × 8-bit × 4-bank PC/133, PC/100 SDRAM
HM5212805FLTD-A60 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:128M LVTTL interface SDRAM 133 MHz/100 MHz 2-Mword X 16-bit X 4-bank/4-Mword X 8-bit X 4-bank PC/133, PC/100 SDRAM
HM5212805FLTD-B60 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:128M LVTTL interface SDRAM 133 MHz/100 MHz 2-Mword X 16-bit X 4-bank/4-Mword X 8-bit X 4-bank PC/133, PC/100 SDRAM
HM5212805FTD-75 制造商:ELPIDA 制造商全稱:Elpida Memory 功能描述:128M LVTTL interface SDRAM 133 MHz/100 MHz 2-Mword × 16-bit × 4-bank/4-Mword × 8-bit × 4-bank PC/133, PC/100 SDRAM
HM5212805FTD-A60 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:128M LVTTL interface SDRAM 133 MHz/100 MHz 2-Mword X 16-bit X 4-bank/4-Mword X 8-bit X 4-bank PC/133, PC/100 SDRAM