IDT71321 Integrated Device Technology, IDT71321 Datasheet - Page 4

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IDT71321

Manufacturer Part Number
IDT71321
Description
HIGH-SPEED 2K x 8 DUAL-PORT STATIC RAM WITH INTERRUPTS
Manufacturer
Integrated Device Technology
Datasheet

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IDT71321SA/LA AND IDT71421SA/LA
HIGH-SPEED 2K x 8 DUAL-PORT STATIC RAM WITH INTERRUPTS
DATA RETENTION CHARACTERISTICS
NOTES:
1. V
2. t
3. This parameter is guaranteed by device characterization but not production tested.
DATA RETENTION WAVEFORM
V
CE
Symbol
CC
t
I
CDR
CCDR
RC
V
t
CC
R
DR
(3)
= Read Cycle Time
= 2V, T
(3)
A
V
Data Retention Current
Chip Deselect to Data
Retention Time
Operation Recovery
Time
= +25 C, and is not production tested.
CC
V
t
4.5V
DATA
BUSY
CDR
IH
Parameter
for Data Retention
DATA RETENTION MODE
OUT
775
or
INT
Figure 1. AC Output Test Load
V
Figure 3.
DR
AC Output Test Load
V
DR
2.0V
BUSY
BUSY
V
V
BUSY
BUSY
BUSY
5V
5V
CC
IN
> V
30pF
1250
270
30pF
= 2.0V,
100pF for 55 and 100ns versions
and I
100pF for 55 and 100ns versions
4.5V
CC
t
R
V
NT NT NT NT NT
IH
- 0.2V or V
Test Conditions
CE
(LA Version Only)
2691 drw 04
> V
CC
IN
- 0.2V
6.03
0.2V
AC TEST CONDITIONS
Input Pulse Levels
Input Rise/Fall Times
Input Timing Reference Levels
Output Reference Levels
Output Load
COM'L.
DATA
OUT
775
2691 drw 05
Figure 2. Output Test Load
t
(for t
Min.
RC
2.0
* Including scope and jig.
0
(2)
HZ
71321LA/71421LA
, t
COMMERCIAL TEMPERATURE RANGE
5V
LZ
, t
Typ.
WZ
5pF
1250
100
, and t
(1)
OW
Figures 1, 2, and 3
Max.
1500
)
GND to 3.0V
0
1.5V
1.5V
5ns
Unit
2691 tbl 07
2691 tbl 08
ns
ns
V
A
4

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