5

COMMERCIAL,INDUSTRIALANDMILITARY

TEMPERATURERANGES

IDT7203/7204/7205/7206/7207/7208 CMOS ASYNCHRONOUS FIFO

2,048 x 9, 4,096 x 9, 8,192 x 9, 16,384 x 9, 32,768 x 9 and 65,536 x 9

AC ELECTRICAL CHARACTERISTICS(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)

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.

Military

Commercial

Military

Commercial

IDT7203L30

IDT7203L35

IDT7203L40

IDT7203L50

IDT7204L30

IDT7204L35

IDT7204L50

IDT7205L30

IDT7205L35

IDT7205L50

IDT7206L30

IDT7206L35

IDT7206L50

IDT7207L30

IDT7207L35

IDT7207L50

IDT7208L35

Symbol

Parameters

Min.

Max.

Min.

Max.

Min.

Max.

Min.

Max.

Unit

fS

ShiftFrequency

—

25

—

22.22

—

20

—

15

MHz

tRC

Read Cycle Time

40

—

45

—

50

—

65

—

ns

tA

Access Time

—

30

—

35

—

40

—

50

ns

tRR

Read Recovery Time

10

—

10

—

10

—

15

—

ns

tRPW

ReadPulseWidth(2)

30

—

35

—

40

—

50

—

ns

tRLZ

Read LOW to Data Bus LOW(3)

5—

5

—

5—

10

—

ns

tWLZ

Write HIGH to Data Bus Low-Z(3,4)

5

—

10

—

10

—

15

—

ns

tDV

Data Valid from Read HIGH

5

—

5

—

5

—

5

—

ns

tRHZ

Read HIGH to Data Bus High-Z(3)

—20

—

20

—25

—

30

ns

tWC

Write Cycle Time

40

—

45

—

50

—

65

—

ns

tWPW

WritePulseWidth(2)

30

—

35

—

40

—

50

—

ns

tWR

WriteRecoveryTime

10

—

10

—

10

—

15

—

ns

tDS

DataSet-upTime

18

—

18

—

20

—

30

—

ns

tDH

DataHoldTime

0

—

0

—

0

—

5

—

ns

tRSC

Reset Cycle Time

40

—

45

—

50

—

65

—

ns

tRS

ResetPulseWidth(2)

30

—

35

—

40

—

50

—

ns

tRSS

ResetSet-upTime(3)

30

—

35

—

40

—

50

—

ns

tRTR

Reset Recovery Time

10

—

10

—

10

—

15

—

ns

tRTC

RetransmitCycleTime

40

—

45

—

50

—

65

—

ns

tRT

RetransmitPulseWidth(2)

30

—

35

—

40

—

50

—

ns

tRTS

RetransmitSet-upTime(3)

30

—

35

—

40

—

50

—

ns

tRTR

RetransmitRecoveryTime

10

—

10

—

10

—

15

—

ns

tEFL

Reset to EF LOW

—40

—

45

—50

—

65

ns

tHFH,tFFH Reset to HF and FF HIGH

—

40

—

45

—

50

—

65

ns

tRTF

RetransmitLOWtoFlagsValid

—

40

—

45

—

50

—

65

ns

tREF

Read LOW to EF LOW

—30

—

30

—35

—

45

ns

tRFF

Read HIGH to FF HIGH

—

30

—

30

—

35

—

45

ns

tRPE

Read Pulse Width after EF HIGH

30

—

35

—

40

—

50

—

ns

tWEF

Write HIGH to EF HIGH

—

30

—

30

—

35

—

45

ns

tWFF

Write LOW to FF LOW

—30

—

30

—35

—

45

ns

tWHF

Write LOW to HF Flag LOW

—

40

—

45

—

50

—

65

ns

tRHF

Read HIGH to HF Flag HIGH

—

40

—

45

—

50

—

65

ns

tWPF

Write Pulse Width after FF HIGH

30

—

35

—

40

—

50

—

ns

tXOL

Read/Write LOW to XOLOW

—30

—

35

—40

—

50

ns

tXOH

Read/Write HIGH to XO HIGH

—

30

—

35

—

40

—

50

ns

tXI

XI Pulse Width(2)

30

—

35

—

40

—

50

—

ns

tXIR

XI Recovery Time

10

—

10

—

10

—

10

—

ns

tXIS

XISet-up Time

10

—

15

—

15

—

15

—

ns