Reset and retransmit
Single device configuration/width expansion mode
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Mode
Inputs
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Internal status
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Outputs
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| RS | RT | XI | Read pointer
| Write pointer
| EF | FF | HF |
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| Reset
| Retransmit
| Read/write
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| 0
| 1
| 1
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| X
| 0
| 1
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| 0
| 0
| 0
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| Location zero | Location zero
| Location zero | Unchanged
| Increment 1/
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| 0
| X
| X
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| 1
| X
| X
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| 1
| X
| X
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| Increment 1/
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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
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| Outputs
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| Mode
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| Reset first device
| Reset all other devices
| Read/write
| RS | FL | XI | Read pointer
| Write pointer
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| EF | FF
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| 0
| 0
| 1
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| 0
| 1
| X
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| 1/
| 1/
| 1/
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| Location zero | Location zero
| Location zero | Location zero
| 0
| 0
| X
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| 1
| 1
| X
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X
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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 3. Truth tables.
SIZE
STANDARD
5962-89568
MICROCIRCUIT DRAWING
A
REVISION LEVEL
SHEET
DEFENSE SUPPLY CENTER COLUMBUS
COLUMBUS, OHIO 43216-5000
H
21
DSCC FORM 2234
APR 97
TEMIC [ TEMIC SEMICONDUCTORS ]
