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70V631S12PRF8

P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P21P22-P23
IDT70V631S
High-Speed 3.3V 256K x 18 Asynchronous Dual-Port Static RAM Industrial and Commercial Temperature Ranges
22
Identification Register Definitions
Instruction Field Value Description
Revision Number (31:28) 0x0 Reserved for version number
IDT Device ID (27:12) 0x304 Defines IDT part number
IDT JEDEC ID (11:1) 0x33 Allows unique identification of device vendor as IDT
ID Register Indicator Bit (Bit 0) 1 Indicates the presence of an ID register
5622 tbl 20
Scan Register Sizes
Register Name Bit Size
Instruction (IR) 4
Bypass (BYR) 1
Identification (IDR) 32
Boundary Scan (BSR) Note (3)
5622 tbl 21
System Interface Parameters
Instruction Code Description
EXTEST 0000 Forces contents of the boundary scan cells onto the device outputs
(1)
.
Places the boundary scan register (BSR) between TDI and TDO.
BYPASS 1111 Places the bypass register (BYR) between TDI and TDO.
IDCODE 0010 Loads the ID register (IDR) with the vendor ID code and places the
register between TDI and TDO.
HIGHZ
0100 Places the bypass register (BYR) between TDI and TDO. Forces all
device output drivers to a High-Z state.
CLAMP 0011
Uses BYR. Forces contents of the boundary scan cells onto the device
outputs. Places the bypass register (BYR) between TDI and TDO.
SAMPLE/PRELOAD 0001 Places the boundary scan register (BSR) between TDI and TDO.
SAMPLE allows data from device inputs
(2)
and outputs
(1)
to be captured
in the boundary scan cells and shifted serially through TDO. PRELOAD
allows data to be input serially into the boundary scan cells via the TDI.
RESERVED All other codes Several combinations are reserved. Do not use codes other than those
identified above.
5622 tbl 22
NOTES:
1. Device outputs = All device outputs except TDO.
2. Device inputs = All device inputs except TDI, TMS, and TRST.
3. The Boundary Scan Descriptive Language (BSDL) file for this device is available on the IDT website (www.idt.com), or by contacting your local
IDT sales representative.
23
IDT70V631S
High-Speed 3.3V 256K x 18 Asynchronous Dual-Port Static RAM Industrial and Commercial Temperature Ranges
Ordering Information
The IDT logo is a registered trademark of Integrated Device Technology, Inc.
Datasheet Document History:
06/01/00: Initial Public Offering
08/07/00: Page 6, 13 & 20 Inserted additional LB and UB information
06/20/01: Page 1 Added JTAG information for TQFP package
Page 14 Increased BUSY TIMING parameters tBDA, tBAC, tBDC and tBDD for all speeds
Page 21 Changed maximum value for JTAG AC Electrical Characteristics for tJCD from 20ns to 25ns
08/08/01: Page 3 Corrected pin 4 designation error from A17R to A17L on PK-128 pinout
10/01/03: Removed Preliminary status
Page 2, 3 & 4 Added date revision for pin configurations
Page 8, 10, 14 & 16 Removed I-temp 15ns speed from DC & AC Electrical Characteristics Tables
Page 23 Removed I-temp 15ns speed from ordering information
Added I-temp footnote to ordering information
Page 1 & 23 Replaced TM logo with ® logo
07/25/08: Page 8 Corrected a typo in the DC Chars table
01/29/09: Page 23 Removed "IDT" from orderable part number
10/23/13: Page 1 Added green availability to Features
Page 23 Added green and T&R indicators to ordering information
CORPORATE HEADQUARTERS for SALES: for Tech Support:
6024 Silver Creek Valley Road 800-345-7015 or 408-284-8200 408-284-2794
San Jose, CA 95138 fax: 408-284-2775 DualPortHelp@idt.com
www.idt.com
NOTES:
1. Contact your local sales office for industrial temp range for other speeds, packages and powers.
2. Green parts available for specific speeds, packages and powers contact your local sales office.
5622 drw 21
A
Power
999
Speed
A
Package
A
Process/
Temperature
Range
Blank
I
(1)
Commercial (0°C to +70°C)
Industrial (-40°C to +85°C)
BF
PRF
BC
208-ball fpBGA (BF-208)
128-pin TQFP (PK-128)
256-ball BGA (BC-256)
10
12
15
S Standard Power
XXXXX
Device
Type
4608K (256K x 18) 3.3V Asynchronous Dual-Port RAM70V631
Speed in nanoseconds
Commercial Only
Commercial & Industrial
Commercial Only
A
Blank
8
Tube or Tray
Tape and Reel
A
G
(2)
Green
P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P21P22-P23

70V631S12PRF8

Mfr. #:
Buy 70V631S12PRF8
Manufacturer:
Description:
SRAM 256Kx18 STD-PWR 3.3V DUAL-PORT RAM
Lifecycle:
New from this manufacturer.
Delivery:
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