W24258Q-70LI Winbond, W24258Q-70LI Datasheet

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W24258Q-70LI

Manufacturer Part Number
W24258Q-70LI
Description
32*8 normal speed, very low power CMOS static RAM
Manufacturer
Winbond
Datasheet

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Part Number:
W24258Q-70LI
Manufacturer:
WINBOND
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Part Number:
W24258Q-70LI
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Quantity:
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GENERAL DESCRIPTION
The W24258 is a normal speed, very low power CMOS static RAM organized as 32768
operates on a wide voltage range from 2.7V to 5.5V power supply. The W24258 family, W24258-
70LE and W24258-70LI, can meet requirement of various operating temperature. This device is
manufactured using Winbond's high performance CMOS technology.
FEATURES
PIN CONFIGURATIONS
Low power consumption:
Access time: 70 nS (max.)/5V
Single 3V/5V power supply
Fully static operation
Active: 350 mW (max.)
Standby: 6 W (max.)/3V
25 W (max.)/5V
A13
V
A14
A12
A11
WE
OE
A4
A3
A7
A6
A5
A8
A9
DD
100 nS (max.)/3V
I/O1
I/O2
I/O3
V
A14
A12
A7
A6
A5
A4
A3
A0
A2
A1
SS
1
2
3
4
5
6
7
8
9
1
0
1
1
1
2
1
2
3
4
5
6
7
8
9
10
11
12
13
14
28-pin
28-pin
TSOP
DIP
28
27
26
25
24
23
22
21
20
19
18
17
16
15
28
27
26
25
24
23
22
21
20
19
18
17
16
15
V
A13
OE
A10
CS
I/O8
I/O7
I/O6
I/O5
I/O4
WE
A8
A9
A11
DD
V
A10
CS
I/O8
I/O7
I/O6
I/O5
I/O4
I/O3
I/O2
I/O1
A0
A1
A2
SS
32K
- 1 -
BLOCK DIAGRAM
PIN DESCRIPTION
All inputs and outputs directly TTL compatible
Three-state outputs
Battery back-up operation capability
Data retention voltage: 2V (min.)
Packaged in 28-pin 600 mil DIP, 330 mil SOP
and standard type one TSOP (8 mm
mm)
I/O1 I/O8
SYMBOL
A0 A14
V
V
WE
OE
CS
8 CMOS STATIC RAM
DD
SS
Publication Release Date: November 1998
CS
OE
WE
I/O1
I/O8
A12
A14
A13
A2
A3
A4
A5
A6
A7
CLK GEN.
Address Inputs
Data Inputs/Outputs
Chip Select Input
Write Enable Input
Output Enable Input
Power Supply
Ground
CNTRL.
DATA
GEN.
CLK
W
O
O
R
D
E
C
D
E
R
A11
DESCRIPTION
CORE CELL ARRAY
COLUMN DECODER
PRECHARGE CKT.
64 X 8 COLUMNS
A10 A1 A0 A8 A9
512 ROWS
I/O CKT.
W24258
Revision A8
8 bits that
13.4

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W24258Q-70LI Summary of contents

Page 1

... The W24258 is a normal speed, very low power CMOS static RAM organized as 32768 operates on a wide voltage range from 2.7V to 5.5V power supply. The W24258 family, W24258- 70LE and W24258-70LI, can meet requirement of various operating temperature. This device is manufactured using Winbond's high performance CMOS technology. FEATURES Low power consumption: Active: 350 mW (max ...

Page 2

TRUTH TABLE Not Selected Output Disable Read Write DC CHARACTERISTICS Absolute Maximum Ratings PARAMETER Supply Voltage to V Potential SS Input/Output to V Potential SS ...

Page 3

Operating Characteristics, continued PARAMETER SYM. TEST CONDITIONS Operating Power Supply Cycle = min., Duty = 100% Current Standby Power Supply min., Duty = 100% Current Note: ...

Page 4

AC Characteristics, continued ( 10 10 Read Cycle PARAMETER Read Cycle Time Address Access Time Chip Select Access Time Output Enable to Output Valid Chip Selection to Output in Low Z ...

Page 5

TIMING WAVEFORMS Read Cycle 1 (Address Controlled) Address D OUT Read Cycle 2 (Chip Select Controlled OUT Read Cycle 3 (Output Enable Controlled) Address OUT ACS T CLZ ...

Page 6

Timing Waveforms, continued Write Cycle 1 Address OUT D IN Write Cycle 2 ( Fixed) IL Address OUT D IN Notes: 1. During this period, I/O pins are in the output ...

Page 7

... W24258-70LI 70/100 W24258S-70LI 70/100 W24258Q-70LI 70/100 Notes: 1. Winbond reserves the right to make changes to its products without prior notice. 2. Purchasers are responsible for performing appropriate quality assurance testing on products intended for use in applications where personal injury might occur as a consequence of product failure. ...

Page 8

BONDING PAD DIAGRAM S-2 S ...

Page 9

PACKAGE DIMENSIONS 28-pin P-DIP 28-pin SOP Wide Body Seating Plane Base Plane 1 ...

Page 10

Package Dimensions, continued 28-pin Standard Type One TSOP W24258 Dimension In Inches Dimension In mm Symbol Nom. Max. Min. Nom. ...

Page 11

... Hoi Bun Rd., Kwun Tong, Kowloon, Hong Kong TEL: 852-27513100 FAX: 852-27552064 Publication Release Date: November 1998 - 11 - W24258 DESCRIPTION = Winbond Electronics North America Corp. Winbond Memory Lab. Winbond Microelectronics Corp. Winbond Systems Lab. 2727 N. First Street, San Jose, CA 95134, U.S.A. TEL: 408-9436666 FAX: 408-5441798 Revision A8 ...

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