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IDT70V05S55PF

Description
8K X 8 DUAL-PORT SRAM, 55 ns, PQFP64
Categorystorage   
File Size174KB,22 Pages
ManufacturerIDT (Integrated Device Technology, Inc.)
Websitehttp://www.idt.com/
Download Datasheet Parametric View All

IDT70V05S55PF Overview

8K X 8 DUAL-PORT SRAM, 55 ns, PQFP64

IDT70V05S55PF Parametric

Parameter NameAttribute value
Number of functions1
Number of terminals64
Maximum operating temperature70 Cel
Minimum operating temperature0.0 Cel
Maximum supply/operating voltage3.6 V
Minimum supply/operating voltage3 V
Rated supply voltage3.3 V
maximum access time55 ns
Processing package description14 × 14 MM, 1.40 MM HEIGHT, TQFP-64
stateACTIVE
CraftsmanshipCMOS
packaging shapeSQUARE
Package SizeFLATPACK, low PROFILE
surface mountYes
Terminal formGULL WING
Terminal spacing0.8000 mm
terminal coatingtin lead
Terminal locationFour
Packaging MaterialsPlastic/Epoxy
Temperature levelCOMMERCIAL
memory width8
organize8K × 8
storage density65536 deg
operating modeASYNCHRONOUS
Number of digits8192 words
Number of digits8K
Memory IC typedual-port static random access memory
serial parallelparallel
HIGH-SPEED 3.3V
8K x 8 DUAL-PORT
STATIC RAM
Features
x
x
IDT70V05S/L
x
x
True Dual-Ported memory cells which allow simultaneous
reads of the same memory location
High-speed access
– Commercial: 15/20/25/35/55ns (max.)
– Industrial: 20/25/35/55ns (max.)
Low-power operation
– IDT70V05S
Active: 400mW (typ.)
Standby: 3.3mW (typ.)
– IDT70V05L
Active: 380mW (typ.)
Standby: 660
µ
W (typ.)
IDT70V05 easily expands data bus width to 16 bits or more
x
x
x
x
x
x
x
x
using the Master/Slave select when cascading more than
one device
M/S = V
IH
for
BUSY
output flag on Master
M/S = V
IL
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
TTL-compatible, single 3.3V (±0.3V) power supply
Available in 68-pin PGA and PLCC, and a 64-pin TQFP
Industrial temperature range (-40°C to +85°C) is available
for selected speeds
Functional Block Diagram
OE
L
R/
W
L
OE
R
CE
R
R/
W
R
CE
L
I/O
0L
- I/O
7L
I/O
Control
I/O
Control
I/O
0R
-I/O
7R
BUSY
L
(1,2)
A
12L
A
0L
Address
Decoder
13
BUSY
R
(1,2)
MEMORY
ARRAY
13
Address
Decoder
A
12R
A
0R
CE
L
OE
L
R/
W
L
SEM
L
INT
L
(2)
NOTES:
1. (MASTER):
BUSY
is output; (SLAVE):
BUSY
is input.
2.
BUSY
outputs and
INT
outputs are non-tri-stated push-pull.
ARBITRATION
INTERRUPT
SEMAPHORE
LOGIC
CE
R
OE
R
R/W
R
M/
S
SEM
R
INT
R
(2)
2941 drw 01
MARCH 2000
1
©2000 Integrated Device Technology, Inc.
DSC 2941/6
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