IDT7025S35JI Integrated Device Technology, Inc., IDT7025S35JI Datasheet

no-image

IDT7025S35JI

Manufacturer Part Number
IDT7025S35JI
Description
Manufacturer
Integrated Device Technology, Inc.
Datasheet

Available stocks

Company
Part Number
Manufacturer
Quantity
Price
Part Number:
IDT7025S35JI
Quantity:
2 216
Part Number:
IDT7025S35JI
Manufacturer:
IDT
Quantity:
20 000
NOTES:
1. (MASTER): BUSY is output; (SLAVE): BUSY is input.
2. BUSY outputs and INT outputs are non-tri-stated push-pull.
©2000 Integrated Device Technology, Inc.
True Dual-Ported memory cells which allow simultaneous
reads of the same memory location
High-speed access
– Military: 20/25/35/55/70ns (max.)
– Industrial: 55ns (max.)
– Commercial: 15/17/20/25/35/55ns (max.)
Low-power operation
– IDT7025S
– IDT7025L
Separate upper-byte and lower-byte control for multiplexed
bus compatibility
Active: 750mW (typ.)
Standby: 5mW (typ.)
Active: 750mW (typ.)
Standby: 1mW (typ.)
I/O
I/O
8L
0L
BUSY
-I/O
-I/O
SEM
R/W
A
INT
UB
CE
OE
LB
A
12L
15L
0L
7L
L
L
L
L
L
L
L
L
(1,2)
(2)
Decoder
Address
R/W
OE
CE
L
L
L
HIGH-SPEED
8K x 16 DUAL-PORT
STATIC RAM
13
Control
I/O
ARBITRATION
SEMAPHORE
INTERRUPT
MEMORY
ARRAY
LOGIC
M/S
1
IDT7025 easily expands data bus width to 32 bits or more
using the Master/Slave select when cascading more than
one device
M/S = H for BUSY output flag on Master
M/S = L for BUSY input on Slave
Interrupt Flag
On-chip port arbitration logic
Full on-chip hardware support of semaphore signaling
between ports
Fully asynchronous operation from either port
Battery backup operation—2V data retention
TTL-compatible, single 5V (±10%) power supply
Available in 84-pin PGA, Flatpack, PLCC, and 100-pin Thin
Quad Flatpack
Industrial temperature range (–40°C to +85°C) is available
for selected speeds
Control
I/O
13
Decoder
Address
CE
OE
R/W
R
R
R
2683 drw 01
IDT7025S/L
R/W
LB
CE
OE
I/O
I/O
BUSY
A
A
SEM
UB
INT
12R
0R
R
8R
0R
R
R
R
R
R
R
(2)
-I/O
-I/O
R
(1,2)
15R
7R
DSC 2683/8

Related parts for IDT7025S35JI

IDT7025S35JI Summary of contents

Page 1

... INT L NOTES: 1. (MASTER): BUSY is output; (SLAVE): BUSY is input. 2. BUSY outputs and INT outputs are non-tri-stated push-pull. ©2000 Integrated Device Technology, Inc. HIGH-SPEED DUAL-PORT STATIC RAM IDT7025 easily expands data bus width to 32 bits or more using the Master/Slave select when cascading more than ...

Page 2

IDT7025S/L High-Speed Dual-Port Static RAM The IDT7025 is a high-speed Dual-Port Static RAM. The IDT7025 is designed to be used as a stand-alone 128K-bit Dual-Port RAM combination MASTER/SLAVE Dual-Port RAM for ...

Page 3

IDT7025S/L High-Speed Dual-Port Static RAM I/O I I/O I/O 10L I/O I/O 11L I/O I/O 13L 12L I/O ...

Page 4

IDT7025S/L High-Speed Dual-Port Static RAM (1) Inputs ...

Page 5

IDT7025S/L High-Speed Dual-Port Static RAM Symbol Rating Commercial & Industrial (2) V Terminal Voltage -0.5 to +7.0 TERM with Respect to GND T Temperature -55 to +125 BIAS Under Bias T Storage -55 to +125 STG Temperature ...

Page 6

IDT7025S/L High-Speed Dual-Port Static RAM Symbol Parameter Test Condition CE I Dynamic Operating = V , Outputs Open CC IL SEM Current = V IH (3) (Both Ports Active MAX Standby ...

Page 7

IDT7025S/L High-Speed Dual-Port Static RAM Symbol Parameter V V for Data Retention Data Retention Current CCDR (3) t Chip Dese lect to Data Retention Time CDR (3) t Operation Recovery Time R NOTES: 1. ...

Page 8

IDT7025S/L High-Speed Dual-Port Static RAM Symbol Parameter READ CYCLE t Read Cycle Time RC t Address Access Time AA (3) t Chip Enable Access Time ACE (3) t Byte Enable Access Time ABE (3) t Output Enable ...

Page 9

IDT7025S/L High-Speed Dual-Port Static RAM ADDR DATA OUT BUSY OUT NOTES: 1. Timing depends on which signal is asserted last, OE, CE, LB, or UB. 2. Timing depends on which ...

Page 10

IDT7025S/L High-Speed Dual-Port Static RAM Symbol Parameter WRITE CYCLE t Write Cycle Time WC (3) t Chip Enable to End-of-Write EW t Address Valid to End-of-Write AW (3) t Address Set-up Time AS t Write Pulse Width ...

Page 11

IDT7025S/L High-Speed Dual-Port Static RAM ADDRESS OE (9) CE SEM ( (4) DATA OUT DATA IN ADDRESS (9) SEM ...

Page 12

IDT7025S/L High-Speed Dual-Port Static RAM VALID ADDRESS t AW SEM DATA Write Cycle NOTE & for the ...

Page 13

IDT7025S/L High-Speed Dual-Port Static RAM Symbol Parameter BUSY S TIMING ( BUSY t Access Time from Address Match BAA BUSY t Disable Time from Address Not Matched BDA BUSY t Access Time from ...

Page 14

IDT7025S/L High-Speed Dual-Port Static RAM ADDR "A" "A" DATA IN "A" (1) t APS ADDR "B" BUSY "B" DATA OUT "B" NOTES ensure that the earlier of the two ports wins ...

Page 15

IDT7025S/L High-Speed Dual-Port Static RAM BUSY ADDR "A" and "B" CE "A" (2) t APS CE "B" BUSY "B" BUSY S ADDR "A" t APS ADDR "B" BUSY "B" NOTES: 1. All timing is the same for ...

Page 16

IDT7025S/L High-Speed Dual-Port Static RAM ADDR "A" ( "A" "A" INT "B" ADDR "B" "B" OE "B" INT "B" NOTES: 1. All timing is the same for left and ...

Page 17

IDT7025S/L High-Speed Dual-Port Static RAM Inputs Outputs 12L CE CE BUSY ( 12R MATCH MATCH MATCH ...

Page 18

IDT7025S/L High-Speed Dual-Port Static RAM Busy Logic provides a hardware indication that both ports of the RAM have accessed the same location at the same time. It also allows one of the two accesses to proceed and ...

Page 19

IDT7025S/L High-Speed Dual-Port Static RAM that semaphore’s status or remove its request for that semaphore to perform another task and occasionally attempt again to gain control of the token via the set and test sequence. Once the ...

Page 20

IDT7025S/L High-Speed Dual-Port Static RAM variable, depending upon the complexity of the software using the semaphore flags. All eight semaphores could be used to divide the Dual- Port RAM or other shared resources into eight parts. Semaphores ...

Page 21

... Replaced IDT logo Page 7 Fixed typo in Data Retention chart Changed ±500mV to 0mV in notes CORPORATE HEADQUARTERS 2975 Stender Way Santa Clara, CA 95054 The IDT logo is a registered trademark of Integrated Device Technology, Inc. Military, Industrial and Commercial Temperature Ranges A A Process/ Temperature Range Blank Commercial (0° ...

Related keywords