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M11B1644SA Datasheet Preview

M11B1644SA Datasheet

(M11x1644xA) 4M X 4 DRAM

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M11B1644SA pdf
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DRAM
M11B1644A / M11B1644SA
M11L1644A / M11L1644SA
4M x 4 DRAM
EDO PAGE MODE
FEATURES
ORDERING INFORMATION - PACKAGE
y X4 organization
y EDO (Extended Data-Out) access mode
y Single power supply :
5V ± 10% Vcc for 5V product
3.3V ± 10% Vcc for 3.3V product
www.DataShyeetI4nUte.crofamce for inputs and outputs
TTL-compatible for 5V products
LVTTL-compatible for 3.3V products
y 2048-cycle refresh in 32ms
y Refresh modes : RAS only, CAS BEFORE RAS (CBR)
and HIDDEN capabilities,
y Optional self-Refresh capabilities(S-ver. Only)
y JEDEC standard pinout
y Key AC Parameter
tRAC
tCAC
tRC
tPC
-45 45 11 77 16
-50 50 13 84 20
-60 60
15 104 25
GENERAL DESCRIPTION
24 / 26-pin 300mil SOJ
24 / 26-pin 300mil TSOP (TypeII)
PRODUCT NO.
Refresh
Vcc
PACKING
TYPE
M11B1644A-45J/50J/60J
M11B1644SA-45J/50J/60J
Normal
*Self- 5V
Refresh
M11L1644A-45J/50J/60J
M11L1644SA-45J/50J/60J
Normal
Self- 3.3V
Refresh
M11B1644A-45T/50T/60T Normal
M11B1644SA-45T/50T/60T
*Self-
Refresh
5V
M11L1644A-45T/50T/60T
M11L1644SA-45T/50T/60T
Normal
Self- 3.3V
Refresh
* Ordered by special request
SOJ
TSOPII
The M11B1644/M11L1644 series is a randomly accessed solid state memory, organized as 4,194,304 x 4 bits device. It
offers Extended Data-Output access mode. Single power supply (5V ± 10%, 3.3V ± 10%), access time (-45,-50,-60), self-
refresh function and package type (SOJ, TSOP II) are optional features of this family. All these family have CAS - before -
RAS , RAS -only refresh and Hidden refresh.
The primary advantage of EDO is the availability of data-out even after CAS returns high. EDO allows CAS precharge
time (tPC) to occur without the output data going invalid. This elimination of CAS output control allows pipeline Read.
PIN ASSIGNMENT
SOJ Top View
VCC
I/O0
I/O1
WE
RAS
NC
1
2
3
4
5
6
2 4 VSS
2 3 I/O3
22 I/O2
2 1 CAS
2 0 OE
1 9 A9
A10 7
A0 8
A1 9
A2 1 0
A3 1 1
VCC 1 2
1 8 A8
1 7 A7
1 6 A6
1 5 A5
1 4 A4
1 3 VSS
TSOP (TypeII) Top View
VCC
I/O 0
I/O 1
WE
RAS
NC
1
2
3
4
5
6
2 4 VSS
2 3 I/O3
22 I/O2
2 1 CAS
2 0 OE
1 9 A9
A10 7
A0 8
A1 9
A2 1 0
A3 1 1
VCC 1 2
1 8 A8
1 7 A7
1 6 A6
1 5 A5
1 4 A4
1 3 VSS
Elite Semiconductor Memory Technology Inc.
Publication Date : May. 2001
Revision : 1.1
1/16



EliteMT
EliteMT

M11B1644SA Datasheet Preview

M11B1644SA Datasheet

(M11x1644xA) 4M X 4 DRAM

No Preview Available !

M11B1644SA pdf
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FUNCTIONAL BLOCK DIAGRAM
M11B1644A / M11B1644SA
M11L1644A / M11L1644SA
WE
RAS
CAS
www.DataSheet4U.com
A0
A1
A2
A3
A4
A5
A6
A7
A8
A9
A10
CONTROL
LOGIC
CLOCK
GENERATOR
COLUMN
11 ADDRESS
BUFFER
REFRESH
CONTROLER
REFRESH
COUNTER
11
ROW.
11 ADDRESS
BUFFERS(11)
DATA-IN BUFFER
IO0
4:
IO3
COLUMN
11 DECODER
2048
4
SENSE AMPLIFIERS
I/O GATING 8
2048 x 4
DATA-OUT
BUFFER
4
2048 x 2048 x 4
2048
MEMORY
11 ARRAY
OE
VBB GENERATOR
VCC
VSS
PIN DESCRIPTIONS
PIN NO.
8~11,14~19,7
5
21
4
20
2,3,22,23
1,12
13,24
6
PIN NAME
A0~A10
RAS
CAS
WE
OE
I/O0 ~ I/O3
VCC
VSS
NC
TYPE
Input
Input
Input
Input
Input
Input / Output
Supply
Ground
-
DESCRIPTION
Address Input
Row Address : A0~A10
Column Address : A0~A10
Row Address Strobe
Column Address Strobe
Write Enable
Output Enable
Data Input / Output
Power, (5V or 3.3V)
Ground
No Connect
Elite Semiconductor Memory Technology Inc.
Publication Date : May. 2001
Revision : 1.1
2/16


Part Number M11B1644SA
Description (M11x1644xA) 4M X 4 DRAM
Maker EliteMT
Total Page 16 Pages
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