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IDT7054L45GB

Description
Multi-Port SRAM, 4KX8, 45ns, CMOS, CPGA108, CAVITY UP, PGA-108
Categorystorage    storage   
File Size99KB,11 Pages
ManufacturerIDT (Integrated Device Technology)
Download Datasheet Parametric View All

IDT7054L45GB Overview

Multi-Port SRAM, 4KX8, 45ns, CMOS, CPGA108, CAVITY UP, PGA-108

IDT7054L45GB Parametric

Parameter NameAttribute value
Is it lead-free?Contains lead
Is it Rohs certified?incompatible
MakerIDT (Integrated Device Technology)
Parts packaging codePGA
package instructionPGA, PGA108,12X12
Contacts108
Reach Compliance Codenot_compliant
ECCN code3A001.A.2.C
Maximum access time45 ns
Other featuresAUTOMATIC POWER-DOWN
I/O typeCOMMON
JESD-30 codeS-CPGA-P108
JESD-609 codee0
length30.48 mm
memory density32768 bit
Memory IC TypeMULTI-PORT SRAM
memory width8
Number of functions1
Number of ports4
Number of terminals108
word count4096 words
character code4000
Operating modeASYNCHRONOUS
Maximum operating temperature125 °C
Minimum operating temperature-55 °C
organize4KX8
Output characteristics3-STATE
ExportableYES
Package body materialCERAMIC, METAL-SEALED COFIRED
encapsulated codePGA
Encapsulate equivalent codePGA108,12X12
Package shapeSQUARE
Package formGRID ARRAY
Parallel/SerialPARALLEL
Peak Reflow Temperature (Celsius)225
power supply5 V
Certification statusNot Qualified
Filter level38535Q/M;38534H;883B
Maximum seat height5.207 mm
Maximum standby current0.0045 A
Minimum standby current2 V
Maximum slew rate0.325 mA
Maximum supply voltage (Vsup)5.5 V
Minimum supply voltage (Vsup)4.5 V
Nominal supply voltage (Vsup)5 V
surface mountNO
technologyCMOS
Temperature levelMILITARY
Terminal surfaceTin/Lead (Sn/Pb)
Terminal formPIN/PEG
Terminal pitch2.54 mm
Terminal locationPERPENDICULAR
Maximum time at peak reflow temperature30
width30.48 mm
Integrated Device Technology, Inc.
HIGH-SPEED
4K X 8 FOURPORT™
STATIC RAM
DESCRIPTION:
IDT7054S/L
PRELIMINARY
FEATURES:
• High-speed access
— Military: 20/25/35/45ns (max.)
— Commercial: 15/20/25/35/45ns (max.)
• Low-power operation
— IDT7054S
Active: 750mW (typ.)
Standby: 10mW (typ.)
— IDT7054L
Active: 750mW (typ.)
Standby: 1.5mW (typ.)
• True Four-Port memory cells which allow simultaneous
reads of the same memory locations
• Fully asynchronous operation from each of the four ports:
P1, P2, P3, P4
• Battery backup operation—2V data retention
• TTL-compatible; single 5V (±10%) power supply
• Available in several popular hermetic and plastic
packages for both through-hole and surface mount
• Military product compliant to MIL-STD-883, Class B
• Industrial temperature range (–40°C to +85°C) is avail-
able, tested to military electrical specifications
The IDT7054 is a high-speed 4K x 8 FourPort Static RAM
designed to be used in systems where multiple access into a
common RAM is required. This FourPort Static RAM offers
increased system performance in multiprocessor systems
that have a need to communicate in real time and also offers
added benefit for high-speed systems in which multiple
access is required in the same cycle.
The IDT7054 is also designed to be used in systems where
on-chip hardware port arbitration is not needed. This part
lends itself to those systems which cannot tolerate wait states
or are designed to be able to externally arbitrate or withstand
contention when all ports simultaneously access the same
FourPort RAM location.
The IDT7054 provides four independent ports with sepa-
rate control, address, and I/O pins that permit independent,
asynchronous access for reads or writes to any location in
memory. It is the user’s responsibility to ensure data integrity
when simultaneously accessing the same memory location
from all ports. An automatic power down feature, controlled
by
CE
, permits the on-chip circuitry of each port to enter a very
low power standby power mode.
FUNCTIONAL BLOCK DIAGRAM
R/
P1
P1
P1
R/
P4
P4
P4
I/O
0P1
-I/O
7P1
COLUMN
I/O
COLUMN
I/O
I/O
0P4
-I/O
7P4
A
0P1
- A
11P1
PORT 1
ADDRESS
DECODE
LOGIC
MEMORY
ARRAY
PORT 2
ADDRESS
DECODE
LOGIC
PORT 4
ADDRESS
DECODE
LOGIC
PORT 3
ADDRESS
DECODE
LOGIC
A
0P4
- A
11P4
A
0P2
- A
11P2
A
0P3
- A
11P3
I/O
0P2
-I/O
7P2
P2
COLUMN
I/O
COLUMN
I/O
I/O
0P3
-I/O
7P3
P3
P3
P3
3241 drw 01
P2
R/
P2
R/
The IDT logo and FourPort are trademarks of Integrated Device Technology, Inc.
MILITARY AND COMMERCIAL TEMPERATURE RANGES
©1995 Integrated Device Technology, Inc.
AUGUST 1995
DSC-1270/-
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