IDT71321SA55J IDT, Integrated Device Technology Inc, IDT71321SA55J Datasheet - Page 9

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

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

AC Electrical Characteristics Over the
Operating Temeprature and Supply Voltage Range
NOTES:
1. Transition is measured 0mV from Low or High-impedance voltage with Output Test Load (Figure 2). This parameter is guaranteed by
2. For Master/Slave combination, t
3. If OE is LOW during a R/W controlled write cycle, the write pulse width must be the larger of t
4. 'X' in part numbers indicates power rating (SA or LA).
WRITE CYCLE
t
t
t
t
t
t
t
t
t
t
t
WRITE CYCLE
t
t
t
t
t
t
t
t
t
t
t
WC
EW
AW
AS
WP
WR
DW
HZ
DH
WZ
OW
WC
EW
AW
AS
WP
WR
DW
HZ
DH
WZ
OW
IDT71321SA/LA and IDT71421SA/LA
High Speed 2K x 8 Dual-Port Static RAM with Interrupts
device characterization but is not production tested.
placed on the bus for the required t
as the specified t
Symbol
Symbol
Chip Enable to End-of-Write
Data Valid to End-of-Write
Output High-Z Time
Data Hold Time
Output Active from End-of-Write
Chip Enable to End-of-Write
Data Valid to End-of-Write
Output High-Z Time
Data Hold Time
Output Active from End-of-Write
Write Cycle Time
Address Valid to End-of-Write
Address Set-up Time
Write Pulse Width
Write Recovery Time
Write Enable to Output in High-Z
Write Cycle Time
Address Valid to End-of-Write
Address Set-up Time
Write Pulse Width
Write Recovery Time
Write Enable to Output in High-Z
WP
.
WC
(2)
(2)
(3)
(3)
(1)
(1)
= t
DW
BAA
. If OE is HIGH during a R/W controlled write cycle, this requirement does not apply and the write pulse can be as short
+ t
WP
, since R/W = V
(1)
(1)
(1)
(1)
Parameter
Parameter
IL
must occur after t
6.42
9
BAA
.
WP
or (t
Industrial and Commercial Temperature Ranges
WZ
+ t
DW
Min.
Min.
____
____
____
____
20
15
15
15
10
35
30
30
25
15
(4)
0
0
0
0
0
0
0
0
Com'l Only
Com'l Only
) to allow the I/O drivers to turn off data to be
71321X20
71421X20
71321X35
71421X35
Max.
Max.
____
____
____
____
____
____
____
____
____
____
____
____
____
____
____
____
____
____
10
10
15
15
Min.
Min.
____
____
____
____
25
20
20
55
40
40
30
20
15
12
0
0
0
0
0
0
0
0
71321X25
71421X25
71321X55
71421X55
Com'l
Com'l
& Ind
& Ind
Max.
Max.
____
____
____
____
____
____
____
____
____
____
____
____
____
____
____
____
____
____
10
10
25
30
2691 tbl 09a
2691 tbl 09b
Unit
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns