Reset and retransmit
Single device configuration/width expansion mode
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Mode
Inputs
Internal status
Outputs
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| RS | RT | XI |Read pointer |Write pointer
| EF | FF | HF |
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|Reset
|0 |X |0 |Location zero |Location zero |0 |1 |1 |
|Retransmit
|Read/write
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|1 |0 |0 |Location zero |Unchanged
|1 |1 |0 |Increment 1/ |Increment 1/
|X |X |X |
|X |X |X |
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1/ Pointer will increment if flag is high.
Reset and first load
Depth expansion/compound expansion mode
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Inputs
Internal status
|Outputs |
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|Mode
| RS | FL | XI |Read pointer |Write pointer
| EF | FF |
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|Reset first device
|Reset all other devices
|Read/write
|0 |0 |1/ |Location zero |Location zero |0 |1 |
|0 |1 |1/ |Location zero |Location zero |0 |1 |
|1 |X |1/ |
X
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X
|X |X |
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1/ XI is connected to XO of previous device.
NOTES: RS = Reset input, FL /RT = First load/retransmit, EF = Empty flag output,
FF = Full flag output, XI = Expansion input, and HF = Half-full flag output
0 = Low level voltage
1 = High level voltage
X = Don't care
FIGURE 2. Truth tables.
SIZE
STANDARD
5962-89567
A
MICROCIRCUIT DRAWING
REVISION LEVEL
A
SHEET
DEFENSE SUPPLY CENTER COLUMBUS
COLUMBUS, OHIO 43216-5000
10
DSCC FORM 2234
APR 97
TEMIC [ TEMIC SEMICONDUCTORS ]
