IDT71256SA15P 데이터 시트보기 (PDF) - Integrated Device Technology
부품명
상세내역
제조사
IDT71256SA15P Datasheet PDF : 6 Pages
| |||
IDT71256SA
CMOS STATIC RAM 256K (32K x 8-BIT)
INDUSTRIAL AND COMMERCIAL TEMPERATURE RANGES
AC ELECTRICAL CHARACTERISTICS (VCC = 5.0V ± 10%)
71256SA12(2) 71256SA15
71256SA20
Symbol
Parameter
Read Cycle
tRC
Read Cycle Time
tAA
Address Access Time
tACS
tCLZ(1)
tCHZ(1)
Chip Select Access Time
Chip Select to Output in Low-Z
Chip Deselect to Output in High-Z
tOE
tOLZ(1)
tOHZ(1)
Output Enable to Output Valid
Output Enable to Output in Low-Z
Output Disable to Output in High-Z
tOH
tPU(1)
tPD(1)
Output Hold from Address Change
Chip Select to Power Up Time
Chip Deselect to Power Down Time
Write Cycle
tWC
Write Cycle Time
tAW
Address Valid to End of Write
tCW
Chip Select to End of Write
Min. Max. Min. Max. Min. Max.
12
—
15
—
20
—
—
12
—
15
—
20
—
12
—
15
—
20
4
—
4
—
4
—
0
6
0
7
0
10
—
6
—
7
—
10
0
—
0
—
0
—
0
6
0
6
0
8
3
—
3
—
3
—
0
—
0
—
0
—
—
12
—
15
—
20
12
—
15
—
20
—
9
—
10
—
15
—
9
—
10
—
15
—
tAS
tWP
tWR
tDW
tDH
tOW(1)
tWHZ(1)
Address Set-up Time
Write Pulse Width
Write Recovery Time
Data Valid to End of Write
Data Hold Time
Output Active from End of Write
Write Enable to Output in High-Z
0
—
0
—
0
—
9
—
10
—
15
—
0
—
0
—
0
—
6
—
7
—
11
—
0
—
0
—
0
—
4
—
4
—
4
—
0
6
0
6
0
10
NOTE:
1. This parameter is guaranteed with the AC Load (Figure 2) by device characterization, but is not production tested.
2. Commercial temperature range only.
71256SA25(2)
Min. Max.
25
— ns
—
25 ns
—
25 ns
4
— ns
0
11 ns
—
11 ns
0
— ns
0
10 ns
3
— ns
0
— ns
—
25 ns
25
— ns
20
— ns
20
— ns
0
— ns
20
— ns
0
— ns
13
— ns
0
— ns
4
— ns
0
11 ns
2948 tbl 08
TIMING WAVEFORM OF READ CYCLE NO. 1(1)
ADDRESS
tRC
tAA
OE
CS
DATAOUT
VCC SUPPLY ICC
CURRENT
ISB
tOE
tOLZ (5)
tACS (3)
tCLZ (5)
HIGH IMPEDANCE
tPU
tOHZ (5)
tCHZ (5)
DATA OUT VALID
tPD
2948 drw 05
4
Share Link: 