IDT7203/7204/7205/7206/7207/7208CMOSASYNCHRONOUSFIFO
2,048 x 9, 4,096 x 9, 8,192 x 9, 16,384 x 9, 32,768 x 9, 65,536 x 9
COMMERCIAL,INDUSTRIALANDMILITARY
TEMPERATURERANGES
ACELECTRICALCHARACTERISTICS(1) (Continued)
(Commercial: VCC = 5V ± 10%, TA = 0°C to +70°C; Industrial: VCC = 5V ± 10%, TA = –40°C to +85°C; Military: VCC = 5V ± 10%, TA = –55°C to +125°C)
Military
Commercial
IDT7203L35
IDT7204L35
IDT7205L35
IDT7206L35
IDT7207L35
IDT7208L35
Military
IDT7203L40
Commercial
IDT7203L50
IDT7204L50
IDT7205L50
IDT7206L50
IDT7207L50
IDT7203L30
IDT7204L30
IDT7205L30
IDT7206L30
IDT7207L30
Symbol
fS
Parameters
Min.
Max.
Min.
Max.
Min.
Max.
20
Min.
Max.
15
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
ShiftFrequency
Read Cycle Time
AccessTime
—
40
—
10
30
5
25
—
30
—
—
—
—
—
20
—
—
—
—
—
—
—
—
—
—
—
—
—
40
40
40
30
30
—
30
30
40
40
—
30
30
—
10
—
—
45
—
10
35
5
22.22
—
35
—
50
—
10
40
5
—
65
—
15
50
10
15
5
tRC
—
40
—
50
tA
tRR
ReadRecoveryTime
ReadPulseWidth(2)
—
—
—
—
—
20
—
—
—
—
—
25
—
—
—
—
—
30
tRPW
tRLZ
tWLZ
tDV
(3)
Read LOW to Data Bus LOW
(3,4)
Write HIGH to Data Bus Low-Z
Data Valid from Read HIGH
5
10
5
10
5
5
(3)
tRHZ
tWC
Read HIGH to Data Bus High-Z
Write Cycle Time
WritePulseWidth(2)
WriteRecoveryTime
DataSet-upTime
—
40
30
10
18
0
—
45
35
10
18
0
—
50
40
10
20
0
—
65
50
15
30
5
—
—
—
—
—
—
—
—
—
—
—
—
—
45
—
—
—
—
—
—
—
—
—
—
—
—
—
50
—
—
—
—
—
—
—
—
—
—
—
—
—
65
tWPW
tWR
tDS
tDH
DataHoldTime
tRSC
tRS
Reset Cycle Time
40
30
30
10
40
30
30
10
—
—
—
—
—
30
—
—
—
—
30
—
—
30
—
10
45
35
35
10
45
35
35
10
—
—
—
—
—
35
—
—
—
—
35
—
—
35
—
15
50
40
40
10
50
40
40
10
—
—
—
—
—
40
—
—
—
—
40
—
—
40
—
15
65
50
50
15
65
50
50
15
—
—
—
—
—
50
—
—
—
—
50
—
—
50
—
15
ResetPulseWidth(2)
ResetSet-upTime(3)
ResetRecoveryTime
RetransmitCycleTime
RetransmitPulseWidth(2)
RetransmitSet-upTime(3)
RetransmitRecoveryTime
Reset to EF LOW
tRSS
tRTR
tRTC
tRT
tRTS
tRTR
tEFL
tHFH,tFFH Reset to HF and FF HIGH
45
50
65
tRTF
tREF
tRFF
tRPE
tWEF
tWFF
tWHF
tRHF
tWPF
tXOL
tXOH
tXI
RetransmitLOWtoFlagsValid
45
50
65
Read LOW to EF LOW
30
35
45
Read HIGH to FF HIGH
Read Pulse Width after EF HIGH
Write HIGH to EF HIGH
Write LOW to FF LOW
Write LOW to HF Flag LOW
Read HIGH to HF Flag HIGH
Write Pulse Width after FF HIGH
Read/Write LOW to XO LOW
Read/Write HIGH to XO HIGH
XI Pulse Width(2)
30
35
45
—
30
—
35
—
45
30
35
45
45
50
65
45
50
65
—
35
—
40
—
50
35
40
50
—
10
—
10
—
ns
tXIR
XI Recovery Time 10
XISet-upTime
tXIS
—
—
—
ns
NOTES:
1. Timings referenced as in AC Test Conditions.
2. Pulse widths less than minimum are not allowed.
3. Values guaranteed by design, not currently tested.
4. Only applies to read data flow-through mode.
5