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IDT70V27L15G Datasheet(PDF) 1 Page - Integrated Device Technology

Part # IDT70V27L15G
Description  HIGH-SPEED 3.3V 32K x 16 DUAL-PORT STATIC RAM
Download  22 Pages
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Manufacturer  IDT [Integrated Device Technology]
Direct Link  http://www.idt.com
Logo IDT - Integrated Device Technology

IDT70V27L15G Datasheet(HTML) 1 Page - Integrated Device Technology

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©2000 Integrated Device Technology, Inc.
6.01
1
JANUARY 2001
DSC 3603/7
Features:
x
True Dual-Ported memory cells which allow simultaneous
access of the same memory location
x
High-speed access
– Industrial: 35ns (max.)
– Commercial: 15/20/25/35/55ns (max.)
x
Low-power operation
– IDT70V27S
Active: 500mW (typ.)
Standby: 3.3mW (typ.)
– IDT70V27L
Active: 500mW (typ.)
Standby: 660
µW (typ.)
x
Separate upper-byte and lower-byte control for bus
matching capability
x
Dual chip enables allow for depth expansion without
external logic
IDT70V27S/L
x
IDT70V27 easily expands data bus width to 32 bits or more
using the Master/Slave select when cascading more than
one device
x
M/
S = VIH for BUSY output flag on Master,
M/
S = VIL for BUSY input on Slave
x
Busy and Interrupt Flags
x
On-chip port arbitration logic
x
Full on-chip hardware support of semaphore signaling
between ports
x
Fully asynchronous operation from either port
x
LVTTL-compatible, single 3.3V (±0.3V) power supply
x
Available in 100-pin Thin Quad Flatpack (TQFP), 108-pin
Ceramic Pin Grid Array (PGA), and 144-pin Fine Pitch BGA
(fpBGA)
x
Industrial temperature range (-40°C to +85°C) is available
for selected speeds
I/O
Control
Address
Decoder
32Kx16
MEMORY
ARRAY
70V27
ARBITRATION
INTERRUPT
SEMAPHORE
LOGIC
CE0L
OEL
R/WL
A14L
A0L
A14L
A0L
SEM L
INTL
(2)
BUSYL
(1,2)
LBL
CE0L
OEL
UBL
I/O
Control
Address
Decoder
CE0R
OER
R/WR
A14R
A0R
A14R
A0R
SEMR
INTR
(2)
BUSYR
(1,2)
LBR
R/
WR
OER
UBR
M/
S
(2)
CE1L
CE0R
CE1R
3603 drw 01
I/O0-7L
CE1R
CE1L
I/O8-15L
I/O0-7R
I/O8-15R
R/WL
NOTES:
1)
BUSY is an input as a Slave (M/S=VIL) and an output as a Master (M/S=VIH).
2)
BUSY and INT are non-tri-state totem-pole outputs (push-pull).
HIGH-SPEED 3.3V
32K x 16 DUAL-PORT
STATIC RAM
Functional Block Diagram


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