IDT70121S55J IDT, Integrated Device Technology Inc, IDT70121S55J Datasheet - Page 15

• Manufacturer Part Number: IDT70121S55J
• Description: IC SRAM 18KBIT 55NS 52PLCC
• Manufacturer: IDT, Integrated Device Technology Inc

Specifications of IDT70121S55J

• Format - Memory: RAM
• Memory Type: SRAM - Dual Port, Asynchronous
• Memory Size: 18K (2K x 9)
• Speed: 55ns
• Interface: Parallel
• Voltage - Supply: 4.5 V ~ 5.5 V
• Operating Temperature: 0°C ~ 70°C
• Package / Case: 52-PLCC
• Density: 18Kb
• Access Time (max): 55ns
• Sync/async: Asynchronous
• Architecture: Not Required
• Clock Freq (max): Not RequiredMHz
• Operating Supply Voltage (typ): 5V
• Address Bus: 22b
• Package Type: PLCC
• Operating Temp Range: 0C to 70C
• Number Of Ports: 2
• Supply Current: 240mA
• Operating Supply Voltage (min): 4.5V
• Operating Supply Voltage (max): 5.5V
• Operating Temperature Classification: Commercial
• Mounting: Surface Mount
• Pin Count: 52
• Word Size: 9b
• Number Of Words: 2K
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Other names: 70121S55J

NOTE:
1. Industrial temperature: for other speeds, packages and powers contact your sales office.
Ordering Information
Datasheet Document History
IDT70121/IDT70125
High-Speed 2K x 9 Dual-Port Static RAM with Busy & Interrupt
01/06/99:
06/03/99:
05/28/04:
04/05/06:
10/21/08:
XXXXX
Device
Type
Power
X
Pages 2 and 3
Page 1
Page 3
Page 4
Page 9
Page 2
Page 4, 6, 8,10&12 Added Industrial temp to column headings for 35ns speed to DC and AC Electrical Characteristics
Page 4
Page 3, 4, 6, 8,10&12 Removed Industrial temp footnote from all tables
Page 10
Page 15
Page 1 & 15
Page 6
Page 1
Page 5
Page 1
Page 15
Page 15
Speed
XXX
CORPORATE HEADQUARTERS
6024 Silver Creek Valley Road
San Jose, CA 95138
The IDT logo is a registered trademark of Integrated Device Technology, Inc.
Package
Initiated datasheet document history
Converted to new format
Cosmetic and typographical corrections
Added additional notes to pin configurations
Changed drawing format
Corrected DSC number
Changed storage temperature parameter from -55 to +125 to -65 to +150
Clarified T
DC Electrical parameters–changed test condition wording from "open" to "disabled"
Added date revision for pin configuration
Added Industrial temp offering to 35ns ordering information
Replaced old
Changed wording of footnote 1 from "INT is totem-pole output" to "INT is non-tr-stated push-pull output"
Updated AC Test Conditions Input Rise/Fall Times from 5ns to 3ns
Added green indicator to ordering information
Removed "IDT" from orderable part number
Changed ±500mV to 0mV in notes
Corrected error in AC BUSY timing tables changing 71V33 to 70121 and changing 71V43 to 70125
Added green availability to features
Removed Industrial temp from 25, 45 & 55ns speeds from DC Electrical Characteristics
Footnote reference 5 removed from AC Electrical Characteristics READ table
X
A
parameter footnote
Temperature
TM
Process/
Range
logo with new
X
15
for SALES:
800-345-7015 or 408-284-8200
fax: [phone]
www.idt.com
TM
logo
Blank
I
J
25
35
45
55
L
S
70121
70125
(1)
Commercial (0°C to +70°C)
Industrial (-40°C to +85°C)
52-pin PLCC (J52-1)
Commercial Only
Commercial & Industrial
Commercial Only
Commercial Only
Low Power
Standard Power
18K (2K x 9-Bit) MASTER Dual-Port RAM
18K (2K x 9-Bit) SLAVE Dual-Port RAM
w/ Interrupt
w/ Interrupt
Industrial and Commercial Temperature Ranges
for Tech Support:
408-284-2794
[e-mail]
Speed in nanoseconds
2654 drw 15
,