71V256SA10Y

Manufacturer Part Number71V256SA10Y
ManufacturerIDT, Integrated Device Technology Inc
71V256SA10Y datasheet
 


Specifications of 71V256SA10Y

Density256KbAccess Time (max)10ns
Sync/asyncAsynchronousArchitectureNot Required
Clock Freq (max)Not RequiredMHzOperating Supply Voltage (typ)3.3V
Address Bus15bPackage TypeSOJ
Operating Temp Range0C to 70CNumber Of Ports1
Supply Current100mAOperating Supply Voltage (min)3V
Operating Supply Voltage (max)3.6VOperating Temperature ClassificationCommercial
MountingSurface MountPin Count28
Word Size8bNumber Of Words32K
Lead Free Status / Rohs StatusNot Compliant  
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IDT71V256SA
3.3V CMOS Static RAM 256K (32K x 8-Bit)
AC Test Conditions
Input Pulse Levels
Input Rise/Fall Times
Input Timing Reference Levels
Output Reference Levels
AC Test Load
3.3V
320
DATA
OUT
350
Figure 1. AC Test Load
AC Electrical Characteristics
(V
= 3.3V ± 0.3V, Commercial and Industrial Temperature Ranges)
CC
Symbol
Parameter
Read Cycle
t
Read Cycle Time
RC
t
Address Access Time
AA
t
Chip Select Access Time
ACS
(1)
Chip Select to Output in Low-Z
t
CLZ
(1)
Chip Select to Output in High-Z
t
CHZ
t
Output Enable to Output Valid
OE
(1)
Output Enable to Output in Low-Z
t
OLZ
(1)
Output Disable to Output in High-Z
t
OHZ
t
Output Hold from Address Change
OH
Write Cycle
t
Write Cycle Time
WC
t
Address Valid to End-of-Write
AW
t
Chip Select to End-of-Write
CW
t
Address Set-up Time
AS
t
Write Pulse Width
WP
t
Write Recovery Time
WR
t
Data to Write Time Overlap
DW
t
Data Hold from Write Time
DH
(1)
Output Active from End-of-Write
t
OW
(1)
Write Enable to Output in High-Z
t
WHZ
NOTE:
1. This parameter guaranteed with the AC test load (Figure 2) by device characterization, but is not production tested.
GND to 3.0V
3ns
1.5V
1.5V
See Figures 1 and 2
3101 tbl 09
30pF*
,
3101 drw 04
*Includes scope and jig capacitances
71V256SA10
Min.
Max.
10
____
____
5
0
____
3
2
3
10
9
9
0
9
0
6
0
4
1
4
Commercial and Industrial Temperature Ranges
3.3V
320
DATA
OUT
350
5pF*
3101 drw 05
Figure 2. AC Test Load
(for t
, t
, t
, t
, t
, t
)
CLZ
OLZ
CHZ
OHZ
OW
WHZ
71V256SA12
71V256SA15
71V256SA20
Min.
Max.
Min.
Max.
Min.
____
12
____
15
____
20
10
____
12
____
15
____
10
____
12
____
15
____
____
____
____
5
5
5
8
0
8
0
9
0
6
____
6
____
7
____
____
3
____
0
____
0
6
2
6
0
7
0
____
3
____
3
____
3
____
____
____
12
15
20
____
____
____
9
10
15
____
____
____
9
10
15
____
____
____
0
0
0
____
9
____
10
____
15
____
0
____
0
____
0
____
____
____
6
7
8
____
____
____
0
0
0
____
4
____
4
____
4
8
1
8
1
9
1
,
Max.
Unit
____
ns
20
ns
20
ns
____
ns
10
ns
8
ns
____
ns
8
ns
____
ns
____
ns
____
ns
____
ns
____
ns
____
ns
____
ns
____
ns
____
ns
____
ns
10
ns
3101 tbl 10