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IDT71V321S35TF Datasheet(PDF) 4 Page - Integrated Device Technology

Part # IDT71V321S35TF
Description  HIGH-SPEED 3.3V 2K x 8 DUAL-PORT STATIC RAM WITH INTERRUPT
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Manufacturer  IDT [Integrated Device Technology]
Direct Link  http://www.idt.com
Logo IDT - Integrated Device Technology

IDT71V321S35TF Datasheet(HTML) 4 Page - Integrated Device Technology

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6.42
IDT71V321/71V421S/L
High Speed 3.3V 2K x 8 Dual-Port Static RAM with Interrupts
Industrial and Commercial Temperature Ranges
4
DC Electrical Characteristics Over the Operating
Temperature and Supply Voltage Range(1,2) (VCC = 3.3V ± 0.3V)
NOTES:
1. 'X' in part numbers indicates power rating (S or L).
2. VCC = 3.3V, TA = +25°C, and are not production tested. ICCDC = 70mA (Typ.).
3. At f = fMAX, address and control lines (except Output Enable) are cycling at the maximum frequency read cycle of 1/tRC and using "AC Test Conditions" of input levels
of GND to 3V.
4. f = 0 means no address or control lines change. Applies only to inputs at CMOS level standby.
5. Port "A" may be either left or right port. Port "B" is opposite from port "A".
Symbol
Parameter
Test Condition
Version
71V321X25
71V421X25
Com'l
& Ind
71V321X35
71V421X35
Com'l Only
71V321X55
71V421X55
Com'l Only
Unit
Typ.
Max.
Typ.
Max.
Typ.
Max.
ICC
Dynamic Operating
Current
(Both Ports Active)
CE = VIL, Outputs Disabled
SEM = VIH
f = fMAX(3)
COM'L
S
L
55
55
130
100
55
55
125
95
55
55
115
85
mA
IND
S
L
55
55
150
130
___
___
___
___
ISB1
Standby Current
(Both Ports - TTL
Level Inputs)
CER = CEL = VIH
SEMR = SEML = VIH
f = fMAX(3)
COM'L
S
L
15
15
35
20
15
15
35
20
15
15
35
20
mA
IND
S
L
15
15
50
35
___
___
___
___
ISB2
Standby Current
(One Port - TTL
Level Inputs)
CE"A" = VIL and CE"B" = VIH(5)
Active Port Outputs Disabled,
f=fMAX(3)
SEMR = SEML = VIH
COM'L
S
L
25
25
75
55
25
25
70
50
25
25
60
40
mA
IND
S
L
25
25
95
75
___
___
___
___
ISB3
Full Standby Current
(Both Po rts - All
CMOS Level Inputs)
Both Ports
CEL and
CER > VCC - 0.2V
VIN > VCC - 0.2V or
VIN < 0.2V, f = 0(4)
SEMR = SEML > VCC - 0.2V
COM'L
S
L
1.0
0.2
5
3
1.0
0.2
5
3
1.0
0.2
5
3
mA
IND
S
L
1.0
0.2
10
6
___
___
___
___
ISB4
Full Standby Current
(One Port - All
CMOS Level Inputs)
CE"A" < 0.2V and
CE"B" > VCC - 0.2V(5)
SEMR = SEML > VCC - 0.2V
VIN > VCC - 0.2V or VIN < 0.2V
Active Port Outputs Disabled
f = fMAX(3)
COM'L
S
L
25
25
70
55
25
25
65
50
25
25
55
40
mA
IND
S
L
25
25
85
70
___
___
___
___
3026 tbl 06
Data Retention Characteristics (L Version Only)
Symbol
Parameter
Test Condition
Min.
Typ.
(1)
Max.
Unit
VDR
VCC for Data Retention
2.0
___
0V
ICCDR
Data Retention Current
VCC = 2V,
CE > VCC - 0.2V
COM'L.
___
100
1500
µA
tCDR
(3)
Chip Deselect to Data
Retention Time
VIN > VCC - 0.2V or VIN < 0.2V
IND.
___
100
4000
µ A
0
___
___
V
tR
(3)
Operation Recovery Time
tRC
(2)
___
___
V
3026 tbl 07
NOTES:
1. VCC = 2V, TA = +25°C, and is not production tested.
2. tRC = Read Cycle Time.
3. This parameter is guaranteed by device characterization but not production tested.


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