IDT7132 Integrated Device Technology, IDT7132 Datasheet

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IDT7132

Manufacturer Part Number
IDT7132
Description
HIGH-SPEED 2K x 8 DUAL-PORT STATIC RAM WITH INTERRUPTS
Manufacturer
Integrated Device Technology
Datasheet

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FEATURES:
• High-speed access
• Low-power operation
• Fully asynchronous operation from either port
• MASTER IDT7132 easily expands data bus width to 16-or-
• On-chip port arbitration logic (IDT7132 only)
• Battery backup operation —2V data retention
• TTL-compatible, single 5V 10% power supply
• Available in popular hermetic and plastic packages
• Military product compliant to MIL-STD, Class B
• Standard Military Drawing # 5962-87002
• Industrial temperature range (–40 C to +85 C) is available,
FUNCTIONAL BLOCK DIAGRAM
NOTES:
1. IDT7132 (MASTER):
2. Open drain output: requires pullup
The IDT logo is a registered trademark of Integrated Device Technology, Inc.
MILITARY AND COMMERCIAL TEMPERATURE RANGES
©1996 Integrated Device Technology, Inc.
BUSY
more bits using SLAVE IDT7142
tested to miliary electrical specifications
— Military: 25/35/55/100ns (max.)
— Commercial: 25/35/55/100ns (max.)
— Commercial: 20ns only in PLCC for 7132
— IDT7132/42SA
— IDT7132/42LA
Integrated Device Technology, Inc.
drain output and requires pullup
resistor of 270 .
IDT7142 (SLAVE):
resistor of 270 .
Active: 550mW (typ.)
Standby: 5mW (typ.)
Active: 550mW (typ.)
Standby: 1mW (typ.)
output flag on IDT7132;
BUSY
BUSY
is input.
is open
I/O
BUSY
0L
For latest information contact IDT’s web site at www.idt.com or fax-on-demand at 408-492-8391.
- I/O
R/
L
(1,2)
A
OE
CE
A
BUSY
W
10L
0L
7L
L
L
L
input on IDT7142
HIGH-SPEED
2K x 8 DUAL-PORT
STATIC RAM
Decoder
Address
CE
L
11
6.02
Control
I/O
DESCRIPTION:
Static RAMs. The IDT7132 is designed to be used as a stand-
alone 8-bit Dual-Port RAM or as a “MASTER” Dual-Port RAM
together with the IDT7142 “SLAVE” Dual-Port in 16-bit-or-
more word width systems. Using the IDT MASTER/SLAVE
Dual-Port RAM approach in 16-or-more-bit memory system
applications results in full-speed, error-free operation without
the need for additional discrete logic.
control, address, and l/O pins that permit independent, asyn-
chronous access for reads or writes to any location in memory.
An automatic power down feature, controlled by
the on-chip circuitry of each port to enter a very low standby
power mode.
ogy, these devices typically operate on only 550mW of power.
Low-power (LA) versions offer battery backup data retention
capability, with each Dual-Port typically consuming 200 W
from a 2V battery.
sidebraze or plastic DIPs, 48-pin LCCs, 52-pin PLCCs, and
48-lead flatpacks. Military grade product is manufactured in
compliance with the latest revision of MIL-STD-883, Class B,
making it ideally suited to military temperature applications
demanding the highest level of performance and reliability.
The IDT7132/IDT7142 are high-speed 2K x 8 Dual-Port
Both devices provide two independent ports with separate
Fabricated using IDT’s CMOS high-performance technol-
The IDT7132/7142 devices are packaged in a 48-pin
ARBITRATION
MEMORY
ARRAY
LOGIC
Control
I/O
11
Address
Decoder
CE
R
IDT7132SA/LA
IDT7142SA/LA
2692 drw 01
OCTOBER 1996
CE
R/
OE
CE
BUSY
I/O
A
A
W
R
R
10R
0R
R
0R
DSC-2692/8
permits
-I/O
R
(1,2)
1
7R

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IDT7132 Summary of contents

Page 1

... STATIC RAM DESCRIPTION: The IDT7132/IDT7142 are high-speed Dual-Port Static RAMs. The IDT7132 is designed to be used as a stand- alone 8-bit Dual-Port RAM “MASTER” Dual-Port RAM together with the IDT7142 “SLAVE” Dual-Port in 16-bit-or- more word width systems. Using the IDT MASTER/SLAVE ...

Page 2

... IDT7132SA/LA AND IDT7142SA/LA HIGH-SPEED DUAL-PORT STATIC RAM PIN CONFIGURATIONS (1, BUSY 10L IDT7132 7142 P48 & C48 DIP I TOP I ...

Page 3

... IDT7132SA/LA AND IDT7142SA/LA HIGH-SPEED DUAL-PORT STATIC RAM DC ELECTRICAL CHARACTERISTICS OVER THE OPERATING TEMPERATURE AND SUPPLY VOLTAGE RANGE Symbol Parameter Test Conditions CE I Dynamic Operating and CC L Current (Both Ports Outputs open, Active MAX CE I Standby Current and SB1 L (Both Ports - TTL ...

Page 4

... IDT7132SA/LA AND IDT7142SA/LA HIGH-SPEED DUAL-PORT STATIC RAM DATA RETENTION CHARACTERISTICS Symbol Parameter V V for Data Retention Data Retention Current CCDR (3) t Chip Deselect to Data CDR Retention Time (3) t Operation Recovery R Time NOTES 2V +25 C, and is not production tested. ...

Page 5

... IDT7132SA/LA AND IDT7142SA/LA HIGH-SPEED DUAL-PORT STATIC RAM AC ELECTRICAL CHARACTERISTICS OVER THE OPERATING TEMPERATURE AND SUPPLY VOLTAGE RANGE Symbol Parameter Read Cycle t Read Cycle Time RC t Address Access Time AA t Chip Enable Access Time ACE t Output Enable Access Time AOE t Output Hold From Address Change ...

Page 6

... IDT7132SA/LA AND IDT7142SA/LA HIGH-SPEED DUAL-PORT STATIC RAM TIMING WAVEFORM OF READ CYCLE NO. 2, EITHER SIDE CE OE DATA OUT CURRENT I SS NOTES: 1. Timing depends on which signal is asserted last, 2. Timing depends on which signal is deaserted first and the address is valid prior to or coincidental with IH 4 ...

Page 7

... IDT7132SA/LA AND IDT7142SA/LA HIGH-SPEED DUAL-PORT STATIC RAM TIMING WAVEFORM OF WRITE CYCLE NO. 1, (R/ ADDRESS DATA (4) OUT DATA IN TIMING WAVEFORM OF WRITE CYCLE NO ADDRESS DATA IN NOTES must be High during all address transitions write occurs during the overlap (t ...

Page 8

... IDT7132SA/LA AND IDT7142SA/LA HIGH-SPEED DUAL-PORT STATIC RAM AC ELECTRICAL CHARACTERISTICS OVER THE OPERATING TEMPERATURE AND SUPPLY VOLTAGE RANGE Symbol Parameter Busy Timing (For Master lDT7130 Only) BUSY t Access Time from Address BAA BUSY t Disable Time from Address BDA BUSY t Access Time from Chip Enable ...

Page 9

... R/ R NOTES: BUSY 1. t must be met for both Input (IDT7142, slave) or Output (IDT7132, master). WH BUSY asserted on port 'B' blocking R/ 3. All timing is the same for the left and right ports. Port 'A' may be either the left or right port. Port 'B' is opposite from port 'A'. ...

Page 10

... FUNCTIONAL DESCRIPTION The IDT7132/IDT7142 provides two ports with separate control, address and I/O pins that permit independent access for reads or writes to any location in memory. The IDT7132/ IDT7142 has an automatic power down feature controlled The Function ...

Page 11

... R/ IDT7142 IDT7142 SLAVE (1) SLAVE BUSY BUSY Figure 4. Busy and chip enable routing for both width and depth expansion with IDT7132 (Master) and IDT7142 (Slave) RAMs. ORDERING INFORMATION IDT XXXX A 999 Device Type Power Speed If two or more master parts were used when expanding in ...

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