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SN74ALVC7803 Datasheet, PDF (7/14 Pages) Texas Instruments – 512 × 18 CLOCKED FIRST-IN, FIRST-OUT MEMORY | |||
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RESET
PEN
WRTCLK
1
2
SN74ALVC7803
512 Ã 18
CLOCKED FIRST-IN, FIRST-OUT MEMORY
SDAS274 â JANUARY 1995
1
0
1
0
WRTEN1
WRTEN2
1
D0âD17 ÃÃW5ÃÃ13 ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ0
RDCLK
1
OE1
0
RDEN
OE2
Q0âQ17 ÃÃÃÃÃÃW1 ÃÃÃÃÃÃW2ÃÃÃÃÃÃW3ÃÃÃÃW(YÃÃ+1) ÃÃW(YÃÃ+2) ÃÃAÃÃÃÃBÃÃÃÃÃÃC ÃÃÃÃD ÃÃÃÃE ÃÃÃÃÃÃF ÃÃÃÃ
OR
AF/AE
HF
IR
DEVICE
SN74ALVC7803
DATA WORD NUMBERS FOR FLAG TRANSITIONS
TRANSITION WORD
A
B
C
D
W257
W258
W(512 â X) W(513 â X)
Figure 3. FIFO Read
E
W512
F
W513
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