EEWORLDEEWORLDEEWORLD

Part Number

Search

AS7C33256NTF36A-85TQIN

Description
3.3V 256K x 2/36 Flowthrough Synchronous SRAM with NTD
Categorystorage    storage   
File Size411KB,18 Pages
ManufacturerALSC [Alliance Semiconductor Corporation]
Environmental Compliance
Download Datasheet Parametric View All

AS7C33256NTF36A-85TQIN Overview

3.3V 256K x 2/36 Flowthrough Synchronous SRAM with NTD

AS7C33256NTF36A-85TQIN Parametric

Parameter NameAttribute value
Is it Rohs certified?conform to
MakerALSC [Alliance Semiconductor Corporation]
Parts packaging codeQFP
package instructionLQFP,
Contacts100
Reach Compliance Codeunknow
ECCN code3A991.B.2.A
Maximum access time8.5 ns
Other featuresFLOW-THROUGH ARCHITECTURE
JESD-30 codeR-PQFP-G100
JESD-609 codee3
length20 mm
memory density9437184 bi
Memory IC TypeZBT SRAM
memory width36
Number of functions1
Number of terminals100
word count262144 words
character code256000
Operating modeSYNCHRONOUS
Maximum operating temperature85 °C
Minimum operating temperature-40 °C
organize256KX36
Package body materialPLASTIC/EPOXY
encapsulated codeLQFP
Package shapeRECTANGULAR
Package formFLATPACK, LOW PROFILE
Parallel/SerialPARALLEL
Peak Reflow Temperature (Celsius)245
Certification statusNot Qualified
Maximum seat height1.6 mm
Maximum supply voltage (Vsup)3.465 V
Minimum supply voltage (Vsup)3.135 V
Nominal supply voltage (Vsup)3.3 V
surface mountYES
technologyCMOS
Temperature levelINDUSTRIAL
Terminal surfaceMATTE TIN
Terminal formGULL WING
Terminal pitch0.65 mm
Terminal locationQUAD
Maximum time at peak reflow temperature30
width14 mm
November 2004
®
AS7C33256NTF32A
AS7C33256NTF36A
3.3V 256K×32/36 Flowthrough Synchronous SRAM with NTD
TM
Features
• Organization: 262,144 words × 32 or 36 bits
• NTD
architecture for efficient bus operation
• Fast clock to data access: 7.5/8.5/10 ns
• Fast OE access time: 3.5/4.0 ns
• Fully synchronous operation
• Flow-through mode
• Asynchronous output enable control
• Available in 100-pin TQFP
• Byte write enables
• Clock enable for operation hold
• Multiple chip enables for easy expansion
• 3.3 core power supply
• 2.5V or 3.3V I/O operation with separate V
DDQ
• 30 mW typical standby power
• Self-timed write cycles
• Interleaved or linear burst modes
• Snooze mode for standby operation
Logic Block Diagram
A[17:0]
18
D
Address
register
Burst logic
Q
18
CLK
CE0
CE1
CE2
R/W
BWa
BWb
BWc
BWd
ADV / LD
LBO
ZZ
D
Q
18
Write delay
addr. registers
CLK
Control
logic
CLK
Write Buffer
CLK
256K x 32/36
SRAM
Array
DQ[a,b,c,d]
32/36
D
Data
Q
Input
Register
CLK
32/36
32/36
32/36
32/36
CLK
CEN
OE
Output
Buffer
32/36
OE
DQ[a,b,c,d]
Selection Guide
-75
Minimum cycle time
Maximum clock access time
Maximum operating current
Maximum standby current
Maximum CMOS standby current (DC)
8.5
7.5
300
120
30
-85
10
8.5
280
110
30
-10
12
10
240
100
30
Units
ns
ns
mA
mA
mA
11/8/04, v. 1.1
Alliance Semiconductor
P. 1 of 18
Copyright © Alliance Semiconductor. All rights reserved.
Guosai filter circuit sharing
[i=s] This post was last edited by paulhyde on 2014-9-15 09:45 [/i] Electronic Circuit Encyclopedia...
fangjianwei66 Electronics Design Contest
ADI Parallel Port SDRAM Controller Reference Design
Introduction The ADI parallel port SDRAM controller reference design connects SDRAM to the parallel port of an Analog Devices Incorporated (ADI)ADSP-2126x Sharc DSP device and is implemented in Altera...
xiaoxin1 FPGA/CPLD
Qorvo PAC highly integrated motor control chip and application
Qorvo PAC chip is a highly integrated product for three-phase motor control. It can reduce the size and cost of PCB while improving system reliability and shortening system development time. It is wid...
Jacktang RF/Wirelessly
Help
How to convert from RS232 to RS422? My graduation project is a clutter suppression control system with RS422 interface. How can I convert from RS232 to RS422?...
foobt Embedded System
MSP432 uses μC/OS-III, but cannot enable FPU
[i=s]This post was last edited by TWENLONG on 2015-9-27 16:25[/i] [size=2]I recently came into contact with μC/OS-III. My MSP432 LaunchPad has been gathering dust for a long time, so I wanted to use μ...
TWENLONG Microcontroller MCU
A design problem of switching power supply
I am designing a circuit that inputs 14V regulated DC and outputs 1-13.5V adjustable DC with a power limit of 500-750W. I want to use a buck step-down circuit, but I don't know how to determine the co...
飞天晓朱 Analogue and Mixed Signal

EEWorld
subscription
account

EEWorld
service
account

Automotive
development
circle

Robot
development
community

Index Files: 1107  467  2555  397  1075  23  10  52  8  22 
Datasheet   0 1 2 3 4 5 6 7 8 9 A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
Room 1530, 15th Floor, Building B, No. 18 Zhongguancun Street, Haidian District, Beijing Telephone: (010) 82350740 Postal Code: 100190
Copyright © 2005-2026 EEWORLD.com.cn, Inc. All rights reserved 京ICP证060456号 京ICP备10001474号-1 电信业务审批[2006]字第258号函 京公网安备 11010802033920号