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HIGH-SPEED

16K x 16 DUAL-PORT

STATIC RAM

Integrated Device Technology, Inc.

IDT7026S/L

FEATURES:

鈥?True Dual-Ported memory cells which allow simulta-

neous access of the same memory location

鈥?High-speed access

鈥?Military: 25/35/55ns (max.)

鈥?Commercial: 20/25/35/55ns (max.)

鈥?Low-power operation

鈥?IDT7026S

Active: 750mW (typ.)

Standby: 5mW (typ.)

鈥?IDT7026L

Active: 750mW (typ.)

Standby: 1mW (typ.)

鈥?Separate upper-byte and lower-byte control for

multiplexed bus compatibility

鈥?IDT7026 easily expands data bus width to 32 bits or

more using the Master/Slave select when cascading

more than one device

鈥?M/

S

= H for

BUSY

output flag on Master,

M/

S

= L for

BUSY

input on Slave

鈥?On-chip port arbitration logic

鈥?Full on-chip hardware support of semaphore signaling

between ports

鈥?Fully asynchronous operation from either port

鈥?TTL-compatible, single 5V (鹵10%) power supply

鈥?Available in 84-pin PGA and 84-pin PLCC

鈥?Industrial temperature range (鈥?0擄C to +85擄C) is avail-

able, tested to military electrical specifications

FUNCTIONAL BLOCK DIAGRAM

R/

W

L

UB

L

R/

W

R

UB

R

LB

L

CE

L

OE

L

LB

R

CE

R

OE

R

I/O

8L

-I/O

15L

I/O

Control

I/O

0L

-I/O

7L

I/O

Control

I/O

8R

-I/O

15R

I/O

0R

-I/O

7R

BUSY

L

(1,2)

BUSY

R

Address

Decoder

14

(1,2)

A

13L

A

0L

MEMORY

ARRAY

14

Address

Decoder

A

13R

A

0R

CE

L

ARBITRATION

SEMAPHORE

LOGIC

CE

R

SEM

L

NOTES:

1. (MASTER):

BUSY

is output; (SLAVE):

BUSY

is input.

2.

BUSY

outputs are non-tri-stated push-pull.

M/

S

SEM

R

2939 drw 01

The IDT logo is a registered trademark of Integrated Device Technology, Inc.

MILITARY AND COMMERCIAL TEMPERATURE RANGES

漏1996 Integrated Device Technology, Inc.

For latest information contact IDT鈥檚 web site at www.idt.com or fax-on-demand at 408-492-8391.

OCTOBER 1996

DSC 2939/3

6.17

1

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