IDT70825L25G

IDT70825L25G Datasheet

HIGH SPEED 128K 8K X 16 BIT IDT70825S/L SEQUENTIAL ACCESS RANDOM ACCESS MEMORY SARAM

Part	Datasheet
IDT70825L25G	IDT70825L25G (pdf)

Related Parts	Information
IDT70825L20G	IDT70825L20G
IDT70825S25PF	IDT70825S25PF
IDT70825L35PF8	IDT70825L35PF8
IDT70825L20PFI	IDT70825L20PFI
IDT70825S35PF8	IDT70825S35PF8
IDT70825S35PF	IDT70825S35PF
IDT70825S35G	IDT70825S35G
IDT70825S25PF8	IDT70825S25PF8
IDT70825S25G	IDT70825S25G
IDT70825S20PF8	IDT70825S20PF8
IDT70825S20G	IDT70825S20G
IDT70825L20PF	IDT70825L20PF
IDT70825L35PF	IDT70825L35PF
IDT70825L35G	IDT70825L35G
IDT70825L25PF8	IDT70825L25PF8
IDT70825L25PF	IDT70825L25PF
IDT70825L20PFI8	IDT70825L20PFI8
IDT70825L20PF8	IDT70825L20PF8
IDT70825S20PF	IDT70825S20PF

PDF Datasheet Preview
HIGH SPEED 128K 8K X 16 BIT IDT70825S/L SEQUENTIAL ACCESS RANDOM ACCESS MEMORY SARAM High-speed access Commercial 20/25/35/45ns max. Low-power operation IDT70825S Active 775mW typ. Standby 5mW typ. IDT70825L Active 775mW typ. Standby 1mW typ. 8K x 16 Sequential Access Random Access Memory SARAM Sequential Access from one port and standard Random Access from the other port Separate upper-byte and lower-byte control of the Random Access Port High speed operation 20ns tAA for random access port 20ns tCD for sequential port 25ns clock cycle time Architecture based on Dual-Port RAM cells Compatible with Intel BMIC and 82430 PCI Set Width and Depth Expandable Sequential side Address based flags for buffer control Pointer logic supports up to two internal buffers Battery backup operation - 2V data retention TTL-compatible, single 5V +10% power supply Available in 80-pin TQFP and 84-pin PGA Industrial temperature range -40°C to +85°C is available for selected speeds The IDT70825 is a high-speed 8K x 16-Bit Sequential Access Random Access Memory SARAM . The SARAM offers a single-chip solution to buffer data sequentially on one port, and be accessed randomly asynchronously through the other port. The device has a Dual-Port RAM based architecture with a standard SRAM interface for the random asynchronous access port, and a clocked interface with counter Functional Block Diagram A0-12 13 CE OE R/W LB LSB UB MSB I/O0-15 Random Access Port Controls 16 13 DataL 8K X 16 Memory Array DataR AddrL AddrR Sequential Access Port Controls Reg. Pointer/ Counter SCLK CNTEN SSTRT1 SSTRT2 SR/W SI/O0-15 Start Address for Buffer #1 End Address for Buffer #1 Start Address for Buffer #2 End Address for Buffer #2 Flow Control Buffer Flag Status 2009 Integrated Device Technology, Inc. COMPARATOR EOB1 EOB2 3016 drw 01 Ordering Information Industrial and Commercial Temperature Ranges 70825 Device Type Power Speed X Package Process/ Temperature Range Blank I 1 B Commercial 0°C to +70°C Industrial -40°C to +85°C Military to +125°C Compliant to MIL-PRF-38535 QML 84-pin PGA G84-3 80-pin TQFP PN80-1 Commercial Only 25 35 Commercial Only Commercial & Military Speed in nanoseconds Commercial & Military NOTE Industrial temperature range is available. For specific speeds, packages and powers contact your sales office. Standard Power Low Power 70825 128K 8K x 16 Sequential Access Random Access Memory 3016 drw 27 Datasheet Document History 1/27/99 6/4/99 11/10/99 4/18/00: 5/23/00: 01/29/09: Initiated datasheet document history Converted to new format Changed drawing format Replaced IDT logo Page 3 Changed "Clock" to "Inputs/Outputs" in Random pin description table Added "Outputs" in Sequential pin description table Changed ±200mV to 0mV in notes Page 4 Increased storage temperature parameter Clarified TA parameter Page 5 DC Electrical wording from "open" to "disabled" Page 21 Removed "IDT" from orderable part number CORPORATE HEADQUARTERS 6024 Silver Creek Valley Road San Jose, CA 95138 for SALES 800-345-7015 or 408-284-8200 fax 408-284-2775 The IDT logo is a registered trademark of Integrated Device Technology, Inc. for Tech Support 408-284-2794

PDF Datasheet Preview

HIGH SPEED 128K 8K X 16 BIT IDT70825S/L SEQUENTIAL ACCESS RANDOM ACCESS MEMORY SARAM

High-speed access Commercial 20/25/35/45ns max.

Low-power operation IDT70825S Active 775mW typ. Standby 5mW typ. IDT70825L Active 775mW typ. Standby 1mW typ.
8K x 16 Sequential Access Random Access Memory SARAM Sequential Access from one port and standard Random Access from the other port Separate upper-byte and lower-byte control of the Random Access Port

High speed operation 20ns tAA for random access port 20ns tCD for sequential port 25ns clock cycle time

Architecture based on Dual-Port RAM cells

Compatible with Intel BMIC and 82430 PCI Set Width and Depth Expandable Sequential side

Address based flags for buffer control Pointer logic supports up to two internal buffers Battery backup operation - 2V data retention TTL-compatible, single 5V +10% power supply Available in 80-pin TQFP and 84-pin PGA Industrial temperature range -40°C to +85°C is available for selected speeds

The IDT70825 is a high-speed 8K x 16-Bit Sequential Access Random Access Memory SARAM . The SARAM offers a single-chip solution to buffer data sequentially on one port, and be accessed randomly asynchronously through the other port. The device has a Dual-Port RAM based architecture with a standard SRAM interface for the random asynchronous access port, and a clocked interface with counter

Functional Block Diagram

A0-12 13 CE OE

R/W LB LSB UB MSB

I/O0-15

Random Access

Port Controls
16 13

DataL
8K X 16 Memory

Array

DataR

AddrL

AddrR

Sequential Access Port Controls

Reg.

Pointer/ Counter

SCLK

CNTEN

SSTRT1

SSTRT2

SR/W

SI/O0-15

Start Address for Buffer #1

End Address for Buffer #1

Start Address for Buffer #2

End Address for Buffer #2

Flow Control Buffer

Flag Status
2009 Integrated Device Technology, Inc.

COMPARATOR

EOB1 EOB2
3016 drw 01
Ordering Information

Industrial and Commercial Temperature Ranges
70825 Device Type

Power Speed

X Package

Process/ Temperature

Range

Blank I 1 B

Commercial 0°C to +70°C Industrial -40°C to +85°C Military to +125°C Compliant to MIL-PRF-38535 QML 84-pin PGA G84-3 80-pin TQFP PN80-1

Commercial Only
25 35

Commercial Only Commercial & Military

Speed in nanoseconds

Commercial & Military

NOTE Industrial temperature range is available.

For specific speeds, packages and powers contact your sales office.

Standard Power

Low Power
70825 128K 8K x 16 Sequential Access Random Access Memory
3016 drw 27

Datasheet Document History
1/27/99 6/4/99 11/10/99 4/18/00:
5/23/00:
01/29/09:

Initiated datasheet document history Converted to new format Changed drawing format Replaced IDT logo Page 3 Changed "Clock" to "Inputs/Outputs" in Random pin description table

Added "Outputs" in Sequential pin description table Changed ±200mV to 0mV in notes Page 4 Increased storage temperature parameter

Clarified TA parameter Page 5 DC Electrical wording from "open" to "disabled" Page 21 Removed "IDT" from orderable part number

CORPORATE HEADQUARTERS 6024 Silver Creek Valley Road San Jose, CA 95138
for SALES 800-345-7015 or 408-284-8200 fax 408-284-2775

The IDT logo is a registered trademark of Integrated Device Technology, Inc.
for Tech Support 408-284-2794

Notice: we do not provide any warranties that information, datasheets, application notes, circuit diagrams, or software stored on this website are up-to-date or error free. The archived IDT70825L25G Datasheet file may be downloaded here without warranties.

Datasheet ID: IDT70825L25G 637312