MT48LC8M16A2TG-6ALAATL 데이터 시트보기 (PDF) - Micron Technology

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MT48LC8M16A2TG-6ALAATL

Automotive SDR SDRAM

Micron Technology 

128Mb: x4, x8, x16 Automotive SDRAM

SELF REFRESH Operation

Figure 52: Self Refresh Mode

T0

CLK

tCK

T1

tCH

T2

tCL

tCKS

((

))

((

))

CKE

tCKS tCKH

tCMS tCMH

Command PRECHARGE

NOP

DQM

((

))

((

AUTO

))

REFRESH

((

))

((

))

((

))

((

Address

))

((

))

All banks

((

))

A10

((

Single bank

))

tAS tAH

((

))

BA0, BA1

Bank(s)

((

))

Tn + 1

( ( To + 1

))

((

))

((

))

((

))

((

))

NOP ( (

))

((

))

((

))

((

))

((

))

((

))

((

))

((

))

((

))

To + 2

AUTO

REFRESH

DQ High-Z

Precharge all

active banks

((

))

tRP

Enter self refresh mode

((

))

tXSR

Exit self refresh mode

(Restart refresh time base)

CLK stable prior to exiting

self refresh mode

Don’t Care

Note: 1. Each AUTO REFRESH command performs a REFRESH cycle. Back-to-back commands are

not required.

PDF: 09005aef84baf515

128mb_x4x8x16_ait-aat_sdram.pdf - Rev. C 1/14 EN

80

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© 1999 Micron Technology, Inc. All rights reserved.

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