參數(shù)資料
型號: IDT71V321S55PF
廠商: INTEGRATED DEVICE TECHNOLOGY INC
元件分類: DRAM
英文描述: HIGH-SPEED 3.3V 2K x 8 DUAL-PORT STATIC RAM WITH INTERRUPT
中文描述: 2K X 8 DUAL-PORT SRAM, 55 ns, PQFP64
封裝: TQFP-64
文件頁數(shù): 4/14頁
文件大?。?/td> 129K
代理商: IDT71V321S55PF
6.42
IDT71V321/71V421S/L
High Speed 3.3V 2K x 8 Dual-Port Static RAM with Interrupts Industrial and Commercial Temperature Ranges
34%54%"
"$"")*#
!
*
+ / *6/ *!
NOTES:
1. 'X' in part numbers indicates power rating (S or L).
2. V
CC
= 3.3V, T
A
= +25
°
C, and are not production tested. I
CCDC
= 70mA (Typ.).
3. At f = f
MAX
, address and control lines (except Output Enable) are cycling at the maximumfrequency read cycle of 1/t
RC
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 fromport "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.
I
CC
Dynamc Operating
Current
(Both Ports Active)
CE
= V
IL
, Outputs Disabled
SEM
= V
IH
f = f
MAX
(3)
COML
S
L
55
55
130
100
55
55
125
95
55
55
115
85
mA
IND
S
L
55
55
150
130
___
___
___
___
I
SB1
Standby Current
(Both Ports - TTL
Level Inputs)
CE
R
=
CE
= V
IH
SEM
R
=
SEM
L
= V
IH
f = f
MAX
(3)
COML
S
L
15
15
35
20
15
15
35
20
15
15
35
20
mA
IND
S
L
15
15
50
35
___
___
___
___
I
SB2
Standby Current
(One Port - TTL
Level Inputs)
CE
"A"
= V
IL
and
CE
"B"
= V
IH
(5)
Active Port Outputs Disabled,
f=f
(3)
SEM
R
=
SEM
L
= V
IH
COML
S
L
25
25
75
55
25
25
70
50
25
25
60
40
mA
IND
S
L
25
25
95
75
___
___
___
___
I
SB3
Full Standby Current
(Both Ports - All
CMOS Level Inputs)
Both Ports
CE
L
and
CE
R
> V
CC
- 0.2V
V
IN
> V
CC
- 0.2V or
V
< 0.2V, f = 0
(4)
SEM
R
=
SEM
L
> V
CC
- 0.2V
COML
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
___
___
___
___
I
SB4
Full Standby Current
(One Port - All
CMOS Level Inputs)
CE
"A"
< 0.2V and
CE
"B"
> V
- 0.2V
(5)
SEM
R
=
SEM
L
> V
CC
- 0.2V
V
IN
> V
CC
- 0.2V or V
IN
< 0.2V
Active Port Outputs Disabled
f = f
MAX
(3)
COML
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
#4
Symbol
7*%)!
Parameter
Test Condition
Mn.
Typ.
(1)
Max.
Unit
V
DR
V
CC
for Data Retention
2.0
___
0
V
I
CCDR
Data Retention Current
V
CC
= 2
V,
CE
> V
CC
- 0.2V
COML.
___
100
1500
μA
t
CDR
(3)
Chip Deselect to Data
Retention Time
V
IN
> V
CC
- 0.2V or V
IN
< 0.2V
IND.
___
100
4000
μA
0
___
___
V
t
R
(3)
Operation Recovery Time
t
RC
(2)
___
___
V
3026 tbl 07
NOTES:
1. V
CC
= 2V, T
A
= +25
°
C, and is not production tested.
2. t
RC
= Read Cycle Time.
3. This parameter is guaranteed by device characterization but not production tested.
相關(guān)PDF資料
PDF描述
IDT71V321S55PFI HIGH-SPEED 3.3V 2K x 8 DUAL-PORT STATIC RAM WITH INTERRUPT
IDT71V321S55TF HIGH-SPEED 3.3V 2K x 8 DUAL-PORT STATIC RAM WITH INTERRUPT
IDT71V321S55TFI HIGH-SPEED 3.3V 2K x 8 DUAL-PORT STATIC RAM WITH INTERRUPT
IDT71V421L35PFI HIGH-SPEED 3.3V 2K x 8 DUAL-PORT STATIC RAM WITH INTERRUPT
IDT71V421L35TF HIGH-SPEED 3.3V 2K x 8 DUAL-PORT STATIC RAM WITH INTERRUPT
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