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70261L25PFGI8

Description
Dual-Port SRAM, 16KX16, 25ns, CMOS, PQFP100, 14 X 14 MM, 1.40 MM HEIGHT, GREEN, TQFP-100
Categorystorage    storage   
File Size697KB,20 Pages
ManufacturerIDT (Integrated Device Technology)
Download Datasheet Parametric View All

70261L25PFGI8 Overview

Dual-Port SRAM, 16KX16, 25ns, CMOS, PQFP100, 14 X 14 MM, 1.40 MM HEIGHT, GREEN, TQFP-100

70261L25PFGI8 Parametric

Parameter NameAttribute value
MakerIDT (Integrated Device Technology)
package instructionQFP,
Reach Compliance Codecompliant
Maximum access time25 ns
JESD-30 codeS-PQFP-G100
memory density262144 bit
Memory IC TypeDUAL-PORT SRAM
memory width16
Number of functions1
Number of terminals100
word count16384 words
character code16000
Operating modeASYNCHRONOUS
Maximum operating temperature85 °C
Minimum operating temperature-40 °C
organize16KX16
Package body materialPLASTIC/EPOXY
encapsulated codeQFP
Package shapeSQUARE
Package formFLATPACK
Parallel/SerialPARALLEL
Maximum supply voltage (Vsup)5.5 V
Minimum supply voltage (Vsup)4.5 V
Nominal supply voltage (Vsup)5 V
surface mountYES
technologyCMOS
Temperature levelINDUSTRIAL
Terminal formGULL WING
Terminal locationQUAD
Base Number Matches1
HIGH-SPEED
IDT70261S/L
16K x 16 DUAL-PORT
STATIC RAM WITH INTERRUPT
Features
True Dual-Ported memory cells which allow simultaneous
access of the same memory location
High-speed access
– Commercial: 15/20/25/35/55ns (max.)
– Industrial 20/25ns (max.)
Low-power operation
– IDT70261S
Active: 750mW (typ.)
Standby: 5mW (typ.)
– IDT70261L
Active: 750mW (typ.)
Standby: 1mW (typ.)
Separate upper-byte and lower-byte control for multiplexed
bus compatibility
IDT70261 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
Busy and Interrupt Flags
On-chip port arbitration logic
Full on-chip hardware support of semaphore signaling
between ports
Fully asynchronous operation from either port
TTL-compatible, single 5V (±10%) power supply
Available in 100-pin Thin Quad Flatpack
Industrial temperature range (-40
O
C to +85
O
C) is available
for selected speeds
Green parts available. See ordering information
Functional Block Diagram
R/
W
L
UB
L
R/
W
R
UB
R
LB
L
CE
L
OE
L
LB
R
CE
R
OE
R
I/O
8L
-I/O
15L
I/O
0L
-I/O
7L
BUSY
L
(1,2)
I/O
Control
I/O
Control
I/O
8R
-I/O
15R
I/O
0R
-I/O
7R
BUSY
R
(1,2)
A
13L
A
0L
Address
Decoder
14
MEMORY
ARRAY
14
Address
Decoder
A
13R
A
0R
CE
L
OE
L
R/W
L
SEM
L
(2)
INT
L
NOTES:
1. (MASTER):
BUSY
is output; (SLAVE):
BUSY
is input.
2.
BUSY
and
INT
outputs are non-tri-stated push-pull.
ARBITRATION
INTERRUPT
SEMAPHORE
LOGIC
CE
R
OE
R
R/W
R
SEM
R
INT
R(2)
3039 drw 01
M/S
JUNE 2015
1
©2015 Integrated Device Technology, Inc.
DSC 3039/11
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