IDT71321SA55J IDT, Integrated Device Technology Inc, IDT71321SA55J Datasheet - Page 14

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IDT71321SA55J

Manufacturer Part Number
IDT71321SA55J
Description
IC SRAM 16KBIT 55NS 52PLCC
Manufacturer
IDT, Integrated Device Technology Inc
Datasheet

Specifications of IDT71321SA55J

Format - Memory
RAM
Memory Type
SRAM - Dual Port, Asynchronous
Memory Size
16K (2K x 8)
Speed
55ns
Interface
Parallel
Voltage - Supply
4.5 V ~ 5.5 V
Operating Temperature
0°C ~ 70°C
Package / Case
52-PLCC
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Other names
71321SA55J

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AC Electrical Characteristics Over the
Operating Temperature Supply Voltage Range
NOTES:
1. 'X' in part numbers indicates power rating (SA or LA).
Timing Waveform of Interrupt Mode
SET INT
ADDR
NOTES:
1. All timing is the same for left and right ports. Port “A” may be either left or right port. Port “B” is the opposite from port “A”.
2. See Interrupt Truth Table.
3. Timing depends on which enable signal (CE or R/W) is asserted last.
4. Timing depends on which enable signal (CE or R/W) is de-asserted first.
INTERRUPT TIMING
ADDR
CLEAR INT
t
t
t
t
AS
WR
INS
INR
IDT71321SA/LA and IDT71421SA/LA
High Speed 2K x 8 Dual-Port Static RAM with Interrupts
R/W
INT
Symbol
INT
OE
"B"
"B"
"B"
"A"
"A"
"B"
Interrupt Set Time
Interrupt Reset Time
Address Set-up Time
Write Recovery Time
t
AS
(3)
INTERRUPT ADDRESS
t
INS
(3)
t
WC
Parameter
(2)
t
(1)
WR
6.42
(4)
14
t
AS
(3)
INTERRUPT CLEAR ADDRESS
t
INR
(1)
Industrial and Commercial Temperature Ranges
(3)
t
RC
Min.
____
____
0
0
Com'l Only
71321X35
71421X35
Max.
____
____
25
25
(2)
Min.
____
____
0
0
71321X55
71421X55
Com'l
& Ind
2691 drw 15
Max.
____
____
45
45
2691 drw 14
2691 tbl 11b
Unit
ns
ns
ns
ns
,

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