MCM6246WJ25 Freescale Semiconductor, Inc, MCM6246WJ25 Datasheet

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MCM6246WJ25

Manufacturer Part Number
MCM6246WJ25
Description
Manufacturer
Freescale Semiconductor, Inc
Datasheet

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MOTOROLA
SEMICONDUCTOR TECHNICAL DATA
512K x 8 Bit Static Random
Access Memory
524,288 words of 8 bits. Static design eliminates the need for external clocks or
timing strobes, while CMOS circuitry reduces power consumption and provides
for greater reliability.
allowing for greater system flexibility and eliminating bus contention problems.
Either input, when high, will force the outputs into high impedance.
MOTOROLA FAST SRAM
REV 5
6/9/97
DQ
DQ
The MCM6246 is a 4,194,304 bit static random access memory organized as
The MCM6246 is equipped with chip enable (E) and output enable (G) pins,
The MCM6246 is available in a 400 mil, 36–lead surface–mount SOJ package.
Motorola, Inc. 1997
W
G
Single 5 V
Fast Access Time: 17/20/25/35 ns
Equal Address and Chip Enable Access Time
All Inputs and Outputs are TTL Compatible
Three–State Outputs
Power Operation: 205/200/185/170 mA Maximum, Active AC
E
A
A
A
A
A
A
A
A
A
A
10% Power Supply
DECODER
CONTROL
INPUT
ROW
DATA
BLOCK DIAGRAM
A
MEMORY MATRIX
4096 COLUMNS
A
1024 ROWS x
A
COLUMN DECODER
A
COLUMN I/O
A
A
A
A
A
DQ
DQ
A
W
G
E
DQ
NC
V CC
V SS
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MCM6246
V CC
V SS
DQ
DQ
DQ
DQ
PIN ASSIGNMENT
W
A
A
A
A
A
E
A
A
A
A
A
PIN NAMES
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
Order this document
+ 5 V Power Supply
WJ PACKAGE
CASE 893–01
Data Input/Output
400 MIL SOJ
36
35
34
33
32
31
30
29
28
27
26
25
24
23
22
21
20
19
Address Inputs
No Connection
Output Enable
by MCM6246/D
Write Enable
Chip Enable
MCM6246
NC
A
A
A
A
G
DQ
DQ
V SS
V CC
DQ
DQ
A
A
A
A
A
NC
Ground
1

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MCM6246WJ25 Summary of contents

Page 1

MOTOROLA SEMICONDUCTOR TECHNICAL DATA 512K x 8 Bit Static Random Access Memory The MCM6246 is a 4,194,304 bit static random access memory organized as 524,288 words of 8 bits. Static design eliminates the need for external clocks or timing strobes, ...

Page 2

TRUTH TABLE (X = Don’t Care Mode I/O Pin Not Selected High– Output Disabled High– Read D out Write High–Z ABSOLUTE MAXIMUM RATINGS (See Note) ...

Page 3

CAPACITANCE (f = 1.0 MHz 3 Periodically Sampled Rather Than 100% Tested) Parameter Input Capacitance Input/Output Capacitance AC OPERATING CONDITIONS AND CHARACTERISTICS ( 5.0 V Input Pulse Levels . . ...

Page 4

A (ADDRESS) Q (DATA OUT) PREVIOUS DATA VALID A (ADDRESS) E (CHIP ENABLE) G (OUTPUT ENABLE) HIGH–Z Q (DATA OUT SUPPLY CURRENT I SB NOTE: Addresses valid prior to or coincident with E going low/ E going high. ...

Page 5

WRITE CYCLE 1 (W Controlled, See Notes 1, 2, and 3) Parameter Symbol Write Cycle Time t AVAV Address Setup Time t AVWL Address Valid to End of Write t AVWH Write Pulse Width t WLWH, t WLEH Data Valid ...

Page 6

... HIGH–Z ORDERING INFORMATION (Order by Full Part Number) 6246 Shipping Method (R2 = Tape and Reel, Blank = Rails) Speed ( ns ns ns, Package (WJ = 400 mil SOJ) MCM6246WJ17R2 MCM6246WJ20 MCM6246WJ20R2 MCM6246WJ25 MCM6246WJ25R2 MCM6246WJ35 MCM6246WJ35R2 MCM6246–35 Max Min Max Unit Notes — 35 — ...

Page 7

A - DETAIL RADIUS 34 PL MOTOROLA FAST SRAM PACKAGE DIMENSIONS 400 MIL SOJ CASE 893– 0.007 (0.17 ...

Page 8

Motorola reserves the right to make changes without further notice to any products herein. Motorola makes no warranty, representation or guarantee regarding the suitability of its products for any particular purpose, nor does Motorola assume any liability arising out of ...

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