HIGH-SPEED
16K X 9 DUAL-PORT
STATIC RAM
IDT7016S/L
◆
IDT7016 easily expands data bus width to 18 bits or
Features
more using the Master/Slave select when cascading
more than one device
M/S = VIH for BUSY output flag on Master
M/S = VIL for BUSY input on Slave
Busy and 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 5V (±10%) power supply
Available in ceramic 68-pin PGA, 68-pin PLCC, and an
80-pin TQFP
Industrial temperature range (–40°C to +85°C) is
available for selected speeds
Green parts available, see ordering information
◆
True Dual-Ported memory cells which allow simulta-
neous reads of the same memory location
High-speed access
◆
◆
– Commercial:12/15/20/25/35ns (max.)
– Industrial: 20ns (max.)
◆
◆
◆
– Military: 20/25/35ns (max.)
Low-power operation
◆
– IDT7016S
◆
◆
◆
Active: 750mW (typ.)
Standby: 5mW (typ.)
– IDT7016L
Active: 750mW (typ.)
Standby: 1mW (typ.)
◆
◆
Functional Block Diagram
OEL
OER
CER
CEL
R/WR
R/W
L
I/O0L- I/O8L
I/O0R-I/O8R
I/O
I/O
Control
Control
BUSY (1,2)
L
(1,2)
BUSY
R
A
13L
A
13R
0R
Address
Decoder
MEMORY
ARRAY
Address
Decoder
A
A
0L
14
14
ARBITRATION
INTERRUPT
SEMAPHORE
LOGIC
CE
OE
L
L
CE
OE
R/W
R
R
R
R/W
L
SEM
L
SEM
R
M/S
(2)
(2)
INTL
INT
R
3190 drw 01
NOTES:
1. In MASTER mode: BUSY is an output and is a push-pull driver
InSLAVEmode:BUSYisinput.
2. BUSYoutputsandINToutputsarenon-tri-statedpush-pulldrivers.
OCTOBER2014
1
©2014 Integrated Device Technology, Inc.
DSC 3190/11