參數(shù)資料
型號: IDT71342LA20PF
廠商: INTEGRATED DEVICE TECHNOLOGY INC
元件分類: DRAM
英文描述: HIGH-SPEED 4K x 8 DUAL-PORT STATIC RAM WITH SEMAPHORE
中文描述: 4K X 8 DUAL-PORT SRAM, 20 ns, PQFP64
封裝: PLASTIC, TQFP-64
文件頁數(shù): 3/13頁
文件大?。?/td> 144K
代理商: IDT71342LA20PF
6.05
3
IDT71342SA/LA
HIGH-SPEED 4K x 8 DUAL-PORT STATIC RAM WITH SEMAPHORE
COMMERCIAL TEMPERATURE RANGE
DC ELECTRICAL CHARACTERISTICS OVER THE
OPERATING TEMPERATURE AND SUPPLY VOLTAGE RANGE
(1)
(V
CC
= 5.0V
±
10%)
71342X20
71342X25
71342X35
71342X45
71342X55 71342X70
Symbol
ICC
Parameter
Dynamic Operating
Test Conditions
CE
= V
IL
Version
COM’L. S
Typ.
(2)
Max. Typ.
(2)
Max. Typ.
(2)
Max. Typ.
(2)
Max. Typ.
(2)
Max. Typ.
(2)
Max. Unit
280
280
260
240
240
240
mA
Current
(Both Ports Active)
Outputs Open
SEM
= Don't Care
f = f
MAX
(3)
L
240
240
220
200
200
200
ICC1
Dynamic Operating
CE
= V
IH
COM’L. S
280
200
185
170
170
170
mA
Current
(Semaphores
Both Sides)
Standby Current
(Both Ports—TTL
Level Inputs)
Standby Current
(One Port—TTL
Level Inputs)
Outputs Open
SEM
< V
IL
f = f
MAX
(3)
CE
L
and
CE
R
= V
IH
SEM
L
=
SEM
R
> V
IH
L
f = f
MAX
(3)
CE
"A"
= V
IL
and
CE
"B"
= V
IH
(5)
Active Port Outputs
Open, f = f
MAX
(3)
L
240
170
155
140
140
140
ISB1
COM’L. S
25
25
80
80
25
25
80
50
25
25
75
45
25
25
70
40
25
25
70
40
25
25
70
40
mA
ISB2
COM’L. S
L
180
150
180
150
170
140
160
130
160
130
160
130
mA
ISB3
Full Standby Current Both Ports
CE
L
and COM’L. S
(Both Ports—All
CE
R
> V
CC
- 0.2V
CMOS Level Inputs)
V
IN
> V
CC
- 0.2V or
V
IN
< 0.2V
SEM
L
=
SEM
R
>
V
CC
- 0.2V, f = 0
(4)
Full Standby Current One Port
CE
"A"
or
(One Port—All
CE
"B"
> V
CC
- 0.2V
CMOS Level Inputs)
V
IN
> V
CC
- 0.2V or
V
IN
< 0.2V
SEM
L
=
SEM
R
>
V
CC
- 0.2V
Active Port Outputs
Open, f = f
MAX
(3)
1.0
0.2
15
4.5
1.0
0.2
15
4.0
1.0
0.2
15
4.0
1.0
0.2
15
4.0
1.0
0.2
15
4.0
1.0
0.2
15
4.0
mA
L
ISB4
COM’L. S
L
170
140
170
140
150
130
150
120
150
120
150
120
mA
NOTES:
1. “X” in part number indicates power rating (SA or LA).
2. V
CC
= 5V, T
A
= +25
°
C for typical values, and parameters are not production tested.
3. f
MAX
= 1/t
RC
= All inputs cycling at f = 1/t
RC
(except Output Enable).
4. f = 0 means no address or control lines change. Applies only to inputs at CMOS level standby I
SB3.
5. Port "A" may be either left or right port. Port "B" is opposite from port "A".
DC ELECTRICAL CHARACTERISTICS OVER THE
OPERATING TEMPERATURE AND SUPPLY VOLTAGE
(V
CC
= 5V
±
10%)
IDT71342SA
Min.
IDT71342LA
Min.
Symbol
Parameter
Test Conditions
Max.
Max.
Unit
|I
LI
|
Input Leakage Current
(1)
V
CC
= 5.5V, V
IN
= 0V to V
CC
10
5
μ
A
μ
A
V
V
V
|I
LO
|
V
OL
Output Leakage Current
Output Low Voltage
CE
= V
IH
, V
OUT
= 0V to V
CC
I
OL
= 6mA
I
OL
= 8mA
I
OH
= –4mA
2.4
10
0.4
0.5
2.4
5
0.4
0.5
V
OH
Output High Voltage
2721 tbl 05
1. At Vcc < 2.0V input leakages are undefined.
NOTE:
2721 tbl 06
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