IDT6168LA45 Просмотр технического описания (PDF) - Integrated Device Technology
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IDT6168LA45 Datasheet PDF : 7 Pages
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IDT6168SA/LA
CMOS STATIC RAM 16K (4K x 4-BIT)
MILITARY AND COMMERCIAL TEMPERATURE RANGES
AC ELECTRICAL CHARACTERISTICS (CONTINUED) (VCC = 5.0V ± 10%, All Temperature Ranges)
6168SA15 6168SA20/25 6168SA35
6168LA20/25 6168LA35
Symbol
Parameter
Min. Max. Min. Max. Min. Max.
Write Cycle
tWC
Write Cycle Time
15 — 20
— 30
—
tCW
Chip Select to End-of-Write
15 — 20
— 30
—
tAW
Address Valid to End-of-Write
15 — 20
— 30
—
tAS
Address Set-up Time
0
—
0
—0
—
tWP
Write Pulse Width
15 — 20
— 30
—
tWR
Write Recovery Time
0
—
0
—0
—
tDW
DataValid to End-of-Write
9
— 10
— 15
—
tDH
Data Hold Time
0
—
0
—0
—
tWHZ(3) Write Enable to Output in High-Z
—6—
7
—
13
tOW(3)
Output Active from End-of-Write
0
—
0
—0
—
NOTES:
1. 0° to +70°C temperature range only.
2. –55°C to +125°C temperature range only.
3. This parameter is guaranteed with the AC Load (Figure 2) by device characterization, but is not production tested.
6168SA45(2)
6168LA452)
Min. Max.
Unit
40 — ns
40 — ns
40 — ns
0 — ns
40 — ns
0 — ns
20 — ns
3 — ns
— 20 ns
0 — ns
3090 tbl 13
TIMING WAVEFORM OF WRITE CYCLE NO. 1 (WE CONTROLLED TIMING)(1, 2, 5)
ADDRESS
CS
WE
DATAOUT
t WC
t AW
t AS
tWP
t WHZ(6)
PREVIOUS DATA VALID(4)
t DW
t
(3)
WR
tOW (6)
t DH
DATAIN
DATA VALID
(6)
t CHZ
DATA
VALID (4)
3090 drw 08
5.3
6
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