PC133-222-520 查看數據表（PDF） - Infineon Technologies

零件编号

产品描述 (功能)

生产厂家

PC133-222-520

3.3 V 16M x 64/72-Bit 1 Bank 128MByte SDRAM Module 3.3 V 32M x 64/72-Bit 2 Bank 256MByte SDRAM Module 168-Pin Unbuffered DIMM Modules

Infineon Technologies 

HYS 64/72V16300/32220GU

SDRAM-Modules

AC Characteristics (cont’d) 3), 4)

TA = 0 to 70 °C; VSS = 0 V; VDD = 3.3 V ±0.3 V, tT = 1 ns

Parameter

Symbol

Limit Values

Unit Note

-7

-7.5

-8

PC133-222 PC133-333 PC100-222

min. max. min. max. min. max.

CAS to CAS Delay Time

tCCD

1

–

1

–

1

–

CLK –

(same bank)

Refresh Cycle

Refresh Period (4096 cycles) tREF

–

Self-Refresh Exit Time

tSREX

1

Read Cycle

Data Out Hold Time

tOH

3

Data Out to Low Impedance tLZ

0

Data Out to High Impedance tHZ

3

DQM Data Out Disable

Latency

tDQZ

–

64 –

–

1

–

3

–

0

7

3

2

–

64 –

–

1

–

3

–

0

7

3

2

–

64 ms

–

CLK 10)

–

ns

4)

–

ns –

8

ns

11

2

CLK –

Write Cycle

Data Input to Precharge

tWR

2

–

2

–

2

–

CLK –

(write recovery)

DQM Write Mask Latency tDQW

0

–

0

–

0

–

CLK –

INFINEON Technologies

10

9.01

Share Link: