IDT72041 Просмотр технического описания (PDF) - Integrated Device Technology
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IDT72041 Datasheet PDF : 14 Pages
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IDT72021, IDT72031, IDT72041
CMOS ASYNCHRONOUS FIFO WITH RETRANSMIT 1K x 9, 2K x 9, 4K x 9
MILITARY AND COMMERCIAL TEMPERATURE RANGES
AC ELECTRICAL CHARACTERISTICS — IDT72031, IDT72041(1)
(Commercial: VCC = 5.0V±10%, TA = 0°C to +70°C; Military: VCC = 5V±10%, TA = –55°C to +125°C)
Com'l
Mil.
Com'l and Mil.
72031L35
72041L35
72031L40
72041L40
72031L50
72041L50
Symbol
Parameter
Min. Max. Min. Max. Min. Max.
fS
Shift Frequency
tRC
R Cycle Time
— 22.2 —
20
—
15
45
—
50
—
65
—
tA
tRR
tRPW
tRLZ
tWLZ
tDV
tRHZ
tWC
tWPW
tWR
Access Time
R Recovery Time
R Pulse Width(2)
R Pulse LOW to Data Bus at Low-Z(3)
W Pulse HIGH to Data Bus at Low-Z(3,4)
Data Valid from R Pulse HIGH
R Pulse HIGH to Data Bus at High-Z(3)
W Cycle Time
W Pulse Width(2)
W Recovery Time
—
35
—
40
—
50
10
—
10
—
15
—
35
—
40
—
50
—
5
—
5
—
10
—
5
—
5
—
5
—
5
—
5
—
5
—
—
20
—
25
—
30
45
—
50
—
65
—
35
—
40
—
50
—
10
—
10
—
15
—
tDS
Data Set-up Time
18
—
20
—
30
—
tDH
tRSC
tRS
tRSS
tRSR
tRTC
tRT
tRTR
tRSF1
tRSF2
tREF
tRFF
tRPE
tWEF
tWFF
tWHF
tRHF
tWPF
tRF
tWF
tOEHZ
tOELZ
tAOE
Data Hold Time
RS Cycle Time
RS Pulse Width(2)
RS Set-up Time
RS Recovery Time
RT Cycle Time
RT Pulse Width(2)
RT Recovery Time
RS to EF and AEF LOW
RS to HF and FF HIGH
R LOW to EF LOW
R HIGH to FF HIGH
R Pulse Width After EF HIGH
W HIGH to EF HIGH
W LOW to EF LOW
W LOW to HF LOW
R HIGH to HF HIGH
W Pulse Width after FF HIGH
R HIGH to Transitioning AEF
W LOW to Transitioning AEF
OE HIGH to High-Z (Disable)(3)
OE LOW to Low-Z (Enable)(3)
OE LOW Data Valid (Q0–Q8)
0
—
0
—
5
—
45
—
50
—
65
—
35
—
40
—
50
—
35
—
40
—
50
—
10
—
10
—
15
—
45
—
50
—
65
—
35
—
40
—
50
—
10
—
10
—
15
—
—
45
—
50
—
65
—
45
—
50
—
65
—
30
—
35
—
45
—
30
—
35
—
45
35
—
40
—
50
—
—
30
—
35
—
45
—
30
—
35
—
45
—
45
—
50
—
65
—
45
—
50
—
65
35
—
40
—
50
—
—
45
—
50
—
65
—
45
—
50
—
65
0
17
0
20
0
25
0
17
0
20
0
25
—
20
—
25
—
30
NOTES:
1. Timings referenced as in AC Test Conditions.
2. Pulse widths less than minimum value are not allowed.
3. Values guaranteed by design, not currently tested.
4. Only applies to read data flow-through mode.
Unit
MHz
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
2677 tbl 09
5.09
6
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