EMC646SP16JS-12LL datasheet(55/65 Pages) EMLSI

tên linh kiện	EMC646SP16JS-12LL

Giải thích chi tiết về linh kiện	4Mx16 bit CellularRAM

PDF	65 Pages

Scroll/Zoom	100%

nhà sản xuất	EMLSI [Emerging Memory & Logic Solutions Inc]

Trang chủ	http://www.emlsi.com

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55 / 65 page

EMC646SP16J

4Mx16 CellularRAM

Preliminary

Figure 44. Burst WRITE Interrupted by Burst WRITE or READ - Fixed Latency Mode

Note:

1. Non-default BCR settings for burst WRITE interrupted by burst WRITE or READ in fixed latency mode: Fixed latency; latency code two (three

clocks); WAIT active LOW; WAIT asserted during delay.

2. Burst interrupt shown on first allowable clock (i.e., after first data word written).

3. CE# can stay LOW between burst operations, but CE# must not remain LOW longer than tCEM.

CLK

ADV#

CE#

WE#

LB#/UB#

DQ[15:0] IN

Don’t Care

Undefined

A[21:0]

OE#

VIH

VIL

WAIT

VOH

VOL

VIH

VIL

VIH

VIL

VIH

VIL

VIH

VIL

VIH

VIL

VIH

VIL

VIH

VIL

Valid

Address

tCLK

Valid

Output

tSP tHD

Valid

Address

tSP tHD

tCSP

tSP tHD

Valid

Output

Valid

Output

Valid

Output

tSP tHD

tHD

tACLK

tKOH

tCEM (Note 3)

WRITE Burst interrupted with new WRITE or READ. See Note 2.

tSP tHD

tKHTL

tCEW

tBOE

tOHZ

2nd Cycle WRITE

VOH

VOL

VIH

VIL

VIH

VIL

tSP tHD

tSP

tSP tHD

LB#/UB#

DQ[15:0] OUT

OE#

VOH

VOL

High-Z

2nd Cycle READ

High-Z

tAVH

tHD

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