W24258Q-70LL Winbond, W24258Q-70LL Datasheet

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W24258Q-70LL

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

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GENERAL DESCRIPTION
The W24258/LL is a normal speed, very low power CMOS static RAM organized as 32768
that operates on a single 5-volt power supply. This device is manufactured using Winbond's high
performance CMOS technology.
FEATURES
PIN CONFIGURATIONS
Low power consumption:
Access time: 55/70 nS (max.)
Single 5V power supply
Fully static operation
All inputs and outputs directly TTL compatible
Active: 350 mW (max.)
Standby: 25 W (max.)
A13
A12
A11
V
A14
WE
OE
A7
A6
A5
A4
A3
A9
A8
DD
I/O2
I/O3
I/O1
V
A14
A12
A7
A6
A5
A4
A0
A3
A2
SS
A1
1
2
3
4
5
6
7
8
9
10
11
12
13
14
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
A10
CS
I/O8
I/O7
I/O6
I/O5
I/O4
V
I/O3
I/O2
I/O1
A0
A1
A2
SS
32K
- 1 -
BLOCK DIAGRAM
PIN DESCRIPTION
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
WE
OE
CS
A12
A14
A2
A3
A4
A5
A6
A7
A13
I/O1
I/O8
CLK GEN.
Address Inputs
Data Inputs/Outputs
Chip Select Input
Write Enable Input
Output Enable Input
Power Supply
Ground
DATA
CNTRL.
CLK
GEN.
W
O
O
R
D
E
C
D
E
R
A11
COLUMN DECODER
DESCRIPTION
CORE CELL ARRAY
PRECHARGE CKT.
64 X 8 COLUMNS
A10 A1 A0 A8 A9
512 ROWS
I/O CKT.
W24258/LL
Revision A5
13.4
8 bits

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W24258Q-70LL Summary of contents

Page 1

... GENERAL DESCRIPTION The W24258/ normal speed, very low power CMOS static RAM organized as 32768 that operates on a single 5-volt power supply. This device is manufactured using Winbond's high performance CMOS technology. FEATURES Low power consumption: Active: 350 mW (max.) Standby (max.) Access time: 55/70 nS (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

CAPACITANCE ( MHz PARAMETER Input Capacitance Input/Output Capacitance Note: These parameters are sampled but not 100% tested. AC CHARACTERISTICS AC Test Conditions PARAMETER Input Pulse Levels Input Rise and ...

Page 4

AC Characteristics, continued ( 10 0V Read Cycle PARAMETER Read Cycle Time Address Access Time Chip Select Access Time Output Enable to Output Valid Chip Selection ...

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 Fixed Address OUT D IN Notes: 1. During this period, I/O pins are in the ...

Page 7

... W24258S-55LL 55 W24258S-70LL 70 W24258Q-55LL 55 W24258Q-70LL 70 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. SYM. TEST CONDITIONS ...

Page 8

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

Page 9

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

Page 10

... Hoi Bun Rd., Kwun Tong, Kowloon, Hong Kong TEL: 852-27513100 FAX: 852-27552064 - 10 - W24258/LL DESCRIPTION 1) typical 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 ...

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