HYM72V8030GS 查看數據表（PDF） - Siemens AG

零件编号

产品描述 (功能)

生产厂家

HYM72V8030GS

8M × 72-Bit Dynamic RAM Module (ECC - Module)

Siemens AG 

HYM72V8020/30GS-50/-60

8M x 72-ECC Module

AC Characteristics (contd’ ) (note:5, 6,7,8)

TA = 0 to 70 °C,VCC = 3.3 ± 0.3 V

Parameter

Symbol

-50

min. max.

-60

min. max.

Unit Note

Fast Page Mode Read-Modify-Write Cycle

Fast page mode read-write cycle time tPRWC

73

–

CAS precharge to WE

tCPWD

50

–

82 –

57 –

ns 11

ns 11,21

CAS-before-RAS Refresh Cycle

CAS setup time

tCSR

CAS hold time

tCHR

RAS to CAS precharge time

tRPC

Write to RAS precharge time

tWRP

Write hold time referenced to RAS

tWRH

7

–

8

–

5

–

12 –

8

–

7

–

8

–

5

–

12 –

8

–

ns 11

ns 10

ns

ns 11

ns 10

Presence Detect Read Cycle

PDE to valid presence detect data

PDE inactive to presence detects

inactive

tPD

–

tPDOFF

0

10 –

10 0

10 ns

10 ns

Waveforms:

For waveforms see “168 pin fast-page mode DIMM modules waveforms“

Semiconductor Group

9

Share Link: