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| 型號： | HYB18L128160BF-75 |
| 廠商： | INFINEON TECHNOLOGIES AG |
| 英文描述： | ECONOLINE: RKZ - Safety standards and approvals: EN 60950 certified, rated for 250VAC (LVD test report)- Custom Solutions Available- 3kVDC & 4kVDC Isolation- UL94V-0 Package Material- Power Sharing on Output- Efficiency to 84% |
| 中文描述： | 針對移動(dòng)應(yīng)用的DRAM |
| 文件頁數(shù)： | 42/53頁 |
| 文件大小： | 1328K |
| 代理商： | HYB18L128160BF-75 |
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HY[B/E]18L128160B[C/F]-7.5
128-Mbit Mobile-RAM
Functional Description
Data Sheet
42
V1.4, 2004-04-30
2.4.10
POWER DOWN
Figure 45
Power Down Entry Command
Power-down is entered when CKE is registered LOW (no accesses can be in progress). If power-down occurs
when all banks are idle, this mode is referred to as precharge power-down; if power-down occurs when there is a
row active in any bank, this mode is referred to as active power-down. Entering power-down deactivates the input
and output buffers, excluding CLK and CKE. CKE LOW must be maintained during power-down.
Power-down duration is limited by the refresh requirements of the device (
t
REF
).
The power-down state is synchronously exited when CKE is registered HIGH (along with a NOP or DESELECT
command). One clock delay is required for power down entry and exit.
Table 13
Parameter
Timing Parameters for AUTO REFRESH and SELF REFRESH
Symbol
- 7.5
Units
Notes
min.
67
19
–
1
max.
–
–
64
–
ACTIVE to ACTIVE command period
PRECHARGE command period
Refresh period (
4096
rows)
Self refresh exit time
t
RC
t
RP
t
REF
t
SREX
ns
ns
ms
t
CK
1)
1) These parameters account for the number of clock cycles and depend on the operating frequency as follows:
no. of clock cycles = specified delay / clock period; round up to next integer.
1)
1)
1)
= Don't Care
CS
CKE
CLK
RAS
A0-A11
BA0,BA1
WE
CAS
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| HYB18L128160BC-7.5 | BJAWBMSpecialty DRAMs Mobile-RAM |
| HYB18L128160BF-7.5 | BJAWBMSpecialty DRAMs Mobile-RAM |
| HYB18L256160BF-75 | DRAMs for Mobile Applications |
| HYB18L256160BC-7.5 | BJAWBMSpecialty DRAMs Mobile-RAM |
| HYB18L256160BF-7.5 | RT ANG PCB CONT .40/1.295 BULK |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| HYB18L256160B | 制造商:QIMONDA 制造商全稱:QIMONDA 功能描述:DRAMs for Mobile Applications 256-Mbit Mobile-RAM |
| HYB18L256160BC-7.5 | 制造商:INFINEON 制造商全稱:Infineon Technologies AG 功能描述:BJAWBMSpecialty DRAMs Mobile-RAM |
| HYB18L256160BC-75 | 制造商:INFINEON 制造商全稱:Infineon Technologies AG 功能描述:DRAMs for Mobile Applications |
| HYB18L256160BCL-7.5 | 制造商:QIMONDA 制造商全稱:QIMONDA 功能描述:DRAMs for Mobile Applications 256-Mbit Mobile-RAM |
| HYB18L256160BCX-7.5 | 制造商:QIMONDA 制造商全稱:QIMONDA 功能描述:DRAMs for Mobile Applications 256-Mbit Mobile-RAM |
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