W24257AJ-8N Winbond, W24257AJ-8N Datasheet

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W24257AJ-8N

Manufacturer Part Number
W24257AJ-8N
Description
32K * 8 high speed, low power CMOS static RAM
Manufacturer
Winbond
Datasheet

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Part Number:
W24257AJ-8N
Manufacturer:
Winbond
Quantity:
6 218
Part Number:
W24257AJ-8N
Manufacturer:
WINBOND/华邦
Quantity:
20 000
GENERAL DESCRIPTION
The
operates on a single 5-volt power supply. This device is manufactured using Winbond's high
performance CMOS technology.
FEATURES
PIN CONFIGURATIONS
High speed access time: 8 nS (max.)
Single 5V power supply
Fully static operation
W24257AJ-8N
A12
I/O2
I/O3
A14
I/O1
V
A5
A7
A6
A4
A3
A0
A2
A1
SS
1
2
3
4
5
6
7
8
9
10
11
12
13
14
is a high speed, low power CMOS static RAM organized as 32768
28-pin
32K
SOJ
28
27
26
25
24
23
22
21
20
19
18
17
16
15
8 HIGH SPEED CMOS STATIC RAM
V
A13
OE
A10
CS
I/O8
I/O7
I/O6
I/O5
I/O4
WE
A8
A9
A11
DD
- 1 -
BLOCK DIAGRAM
PIN DESCRIPTION
All inputs and outputs directly TTL compatible
Three-state outputs
Available packages: 28-pin 300 mil SOJ
I/O1 I/O8
SYMBOL
A0 A14
A14
A0
CS
OE
WE
V
V
.
.
DD
SS
V
V
WE
OE
CS
DD
SS
Publication Release Date: February 1998
DECODER
CONTROL
Address Inputs
Data Inputs/Outputs
Chip Select Input
Write Enable Input
Output Enable Input
Power Supply
Ground
W24257AJ-8N
DESCRIPTION
DATA I/O
ARRAY
CORE
Revision A2
8 bits that
I/O1
I/O8
.
.

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W24257AJ-8N Summary of contents

Page 1

... I/O8 SYMBOL I/O7 A0 A14 I/O6 I/O5 I/O1 I/O8 I/ Publication Release Date: February 1998 - 1 - W24257AJ-8N 8 bits that DECODER CORE ARRAY I/O1 CONTROL DATA I/O I/O8 DESCRIPTION Address Inputs Data Inputs/Outputs Chip Select Input Write Enable Input Output Enable Input Power Supply Ground Revision A2 ...

Page 2

... High Z Data Out Data In TEST CONDITIONS - - I mA, IL, Cycle = Min., Duty = 100 Cycle = Min., Duty = 100 -0. 5V W24257AJ-8N RATING UNIT -0.5 to +7.0 -0 +0.5 DD 1.0 -65 to +150 0 to +55 V CURRENT SB1 MIN. TYP. MAX. -0.5 - +0.8 +2 +0.5 -10 - +10 - 0.4 2.4 ...

Page 3

... Including Jig and Scope SYM. CONDITIONS I/O OUT SYM. CONDITIONS 1m/sec 1m/sec 1. pF OUTPUT R2 255 ohm (For T 3.0V 90% 90% 10% 10 Publication Release Date: February 1998 - 3 - W24257AJ-8N MAX. UNIT MAX. UNIT C C/W A CONDITIONS / mA 480 ohm 255 ohm Including Jig and Scope , OHZ ...

Page 4

... Write to Output in High Z Output Disable to Output in High Z Output Active from End of Write These parameters are sampled but not 100% tested. SYM. MIN ACS T AOE T 3 CLZ T 0 OLZ T CHZ T OHZ SYM. MIN WHZ T OHZ W24257AJ-8N W24257AJ-8N UNIT MAX W24257AJ-8N UNIT MAX ...

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 AOE T OLZ T ACS T CLZ Publication Release Date: February 1998 - 5 - W24257AJ- CHZ OHZ T CHZ Revision A2 ...

Page 6

... The data output from D are the same as the data written to D OUT 3. D provides the read data for the next address. OUT 4. Transition is measured 500 mV from steady state with ( WHZ ( during the write cycle pF. This parameter is guaranteed but not 100% tested W24257AJ- (2) ( ...

Page 7

... Small Outline J Band Seating Plane OPERATING STANDBY CURRENT CURRENT MAX. (mA) MAX. (mA) 180 £ W24257AJ-8N PACKAGE 10 300 mil SOJ Dimension in Inches Dimension in mm Symbol Min. Nom. Max. Min. Nom. Max. 0.140 3.56 A 0.027 0. 0.095 0.100 0.105 2.41 2.54 2. 0.026 0.028 0.032 0.66 0.71 0. ...

Page 8

... Winbond Electronics (H.K.) Ltd. Rm. 803, World Trade Square, Tower II, 123 Hoi Bun Rd., Kwun Tong, Kowloon, Hong Kong TEL: 852-27513100 FAX: 852-27552064 - 8 - W24257AJ-8N DESCRIPTION Winbond Electronics North America Corp. Winbond Memory Lab. Winbond Microelectronics Corp. Winbond Systems Lab. 2727 N. First Street, San Jose, CA 95134, U ...

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