參數(shù)資料
型號: IDT7005L20F
廠商: INTEGRATED DEVICE TECHNOLOGY INC
元件分類: DRAM
英文描述: HIGH-SPEED 8K x 8 DUAL-PORT STATIC RAM
中文描述: 8K X 8 DUAL-PORT SRAM, 20 ns, QFP68
封裝: 0.970 X 0.970 INCH, 0.080 INCH HEIGHT, QFP-68
文件頁數(shù): 18/20頁
文件大?。?/td> 265K
代理商: IDT7005L20F
IDT7005S/L
HIGH-SPEED 8K x 8 DUAL-PORT STATIC RAM
MILITARY AND COMMERCIAL TEMPERATURE RANGES
6.06
7
AC TEST CONDITIONS
Input Pulse Levels
GND to 3.0V
Input Rise/Fall Times
5ns Max.
Input Timing Reference Levels
1.5V
Output Reference Levels
1.5V
Output Load
Figure 1 and 2
2738 tbl 12
IDT7005X35
IDT7005X55
IDT7005X70
Mil. Only
Symbol
Parameter
Min.
Max.
Min.
Max.
Min.
Max.
Unit
READ CYCLE
tRC
Read Cycle Time
35
55
70
ns
tAA
Address Access Time
35
55
70
ns
tACE
Chip Enable Access Time
(3)
—35—55
—70
ns
tAOE
Output Enable Access Time
20
30
35
ns
tOH
Output Hold from Address Change
3
3
3
ns
tLZ
Output Low-Z Time
(1, 2)
3—
ns
tHZ
Output High-Z Time
(1, 2)
—15—25
—30
ns
tPU
Chip Enable to Power Up Time
(2)
0—
ns
tPD
Chip Disable to Power Down Time
(2)
—35—50
—50
ns
tSOP
Semaphore Flag Update Pulse (
OE or SEM)
15—15
—15—
ns
tSAA
Semaphore Address Access Time
35
55
70
ns
NOTES:
2738 tbl 13
1. Transition is measured
±500mV from Low or High-impedance voltage with Output Test Load (Figures 2).
2. This parameter is guaranteed by device characterization but not production tested.
3. To access RAM,
CE = VIL and SEM = VIH. To access semaphore, CE = VIH and SEM = VIL.
4. "X" in part numbers indicates power rating (S or L).
1250
30pF
775
DATAOUT
BUSY
INT
5V
1250
5pF
775
DATAOUT
2738 drw 06
Figure 1. AC Output Test Load
Figure 2. Output Load
(For tLZ, tHZ, tWZ, tOW)
Including scope and jig
OPERATING TEMPERATURE AND SUPPLY VOLTAGE RANGE(4)
AC ELECTRICAL CHARACTERISTICS OVER THE
IDT7005X15
IDT7005X17
IDT7005X20
IDT7005X25
Com'l. Only
Symbol
Parameter
Min.
Max.
Min.
Max.
Min.
Max.
Min.
Max.
Unit
READ CYCLE
tRC
Read Cycle Time
15
17
20
25
ns
tAA
Address Access Time
15
17
20
25
ns
tACE
Chip Enable Access Time
(3)
15
17
20
25
ns
tAOE
Output Enable Access Time
10
10
12
13
ns
tOH
Output Hold from Address Change
3
3
3
ns
tLZ
Output Low-Z Time
(1, 2)
3
3
3
3
ns
tHZ
Output High-Z Time
(1, 2)
10
10
12
15
ns
tPU
Chip Enable to Power Up Time
(2)
0
0
0
ns
tPD
Chip Disable to Power Down Time
(2)
15
17
20
25
ns
tSOP
Semaphore Flag Update Pulse (
OE or SEM)
10
10
10
ns
tSAA
Semaphore Address Access Time
15
17
20
25
ns
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