參數(shù)資料
型號: IDT7005L35JB
廠商: INTEGRATED DEVICE TECHNOLOGY INC
元件分類: DRAM
英文描述: Multi-Color LED; LED Color:Green; Luminous Intensity:11ucd; Viewing Angle:40 ; Forward Current:20mA; Forward Voltage:2.1V; Operating Temperature Range:-30 C to +85 C; Color:Green; Leaded Process Compatible:No RoHS Compliant: No
中文描述: 8K X 8 DUAL-PORT SRAM, 35 ns, PQCC68
封裝: 0.950 X 0.950 INCH, 0.120 INCH HEIGHT, PLASTIC, LCC-68
文件頁數(shù): 4/20頁
文件大小: 265K
代理商: IDT7005L35JB
6.06
12
IDT7005S/L
HIGH-SPEED 8K x 8 DUAL-PORT STATIC RAM
MILITARY AND COMMERCIAL TEMPERATURE RANGES
tWH
Write Hold After
BUSY(5)
25
25
25
ns
BUSY TIMING (M/
SSSSS = VIL)
tWB
BUSY Input to Write(4)
0—
ns
tWH
Write Hold After
BUSY
(5)
25
25
25
ns
PORT-TO-PORT DELAY TIMING
tWDD
Write Pulse to Data Delay
(1)
—60—80
—95
ns
tDDD
Write Data Valid to Read Data Delay
(1)
—45—65
—80
ns
BUSY TIMING (M/
SSSSS = VIL)
tWB
BUSY Input to Write(4)
0
0
0
0
ns
tWH
Write Hold After
BUSY
(5)
12
13
15
17
ns
PORT-TO-PORT DELAY TIMING
tWDD
Write Pulse to Data Delay
(1)
30
30
45
50
ns
tDDD
Write Data Valid to Read Data Delay
(1)
25
—25—35
—35
ns
IDT7005X15 IDT7005X17
IDT7005X20
IDT7005X25
Com'l. Only
Symbol
Parameter
Min. Max.
Min.
Max.
Min.
Max.
Min.
Max.
Unit
BUSY TIMING (M/
SSSSS = VIH)
tBAA
BUSY Access Time from Address Match
15
17
20
20
ns
tBDA
BUSY Disable Time from Address Not Matched —
15
17
20
20
ns
tBAC
BUSY Access Time from Chip Enable Low
15
17
20
20
ns
tBDC
BUSY Disable Time from Chip Enable High
15
17
17
17
ns
tAPS
Arbitration Priority Set-up Time
(2)
5
5
5
5
ns
tBDD
BUSY Disable to Valid Data
(3)
18
18
30
30
ns
tWH
Write Hold After
BUSY(5)
12
13
15
17
ns
IDT7005X35
IDT7005X55
IDT7005X70
Mil. Only
Symbol
Parameter
Min.
Max.
Min.
Max.
Min.
Max.
Unit
BUSY TIMING (M/
SSSSS = VIH)
tBAA
BUSY Access Time from Address Match
20
45
45
ns
tBDA
BUSY Disable Time from Address Not Matched
20
40
40
ns
tBAC
BUSY Access Time from Chip Enable Low
20
40
40
ns
tBDC
BUSY Disable Time from Chip Enable High
20
35
35
ns
tAPS
Arbitration Priority Set-up Time
(2)
5—
ns
tBDD
BUSY Disable to Valid Data(3)
—35—40
—45
ns
NOTES:
2738 tbl 15
1. Port-to-port delay through RAM cells from writing port to reading port, refer to "Timing Waveform of Write with Port-to-Port Read and
BUSY".
2. To ensure that the earlier of the two ports wins.
3. tBDD is a calculated parameter and is the greater of 0, tWDD – tWP (actual), or tDDD – tDW (actual).
4. To ensure that the write cycle is inhibited on port "B" during contention with port "A".
5. To ensure that a write cycle is completed on port "B" after contention on port "A".
6. "X" in part numbers indicates power rating (S or L).
AC ELECTRICAL CHARACTERISTICS OVER THE
OPERATING TEMPERATURE AND SUPPLY VOLTAGE RANGE(6)
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