74ACT2708PC Fairchild Semiconductor, 74ACT2708PC Datasheet - Page 9

• Manufacturer Part Number: 74ACT2708PC
• Description: IC MEMORY FIRST OUT 64X9 28-DIP
• Manufacturer: Fairchild Semiconductor
• Series: 74ACTr

Specifications of 74ACT2708PC

• Function: Asynchronous, Synchronous
• Memory Size: 576 (9 x 64)
• Data Rate: 60MHz
• Voltage - Supply: 4.5 V ~ 5.5 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Through Hole
• Package / Case: 28-DIP (0.600", 15.24mm)
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Access Time: -
• Other names: 74ACT2708

FIFO Expansion
Word Width Expansion
Word width can be increased by connecting the corresponding input control signals of multiple devices. Flags can be mon-
itored to obtain a composite signal by ANDing the corresponding flags.
Note: AND the corresponding flags to obtain a composite signal.
V
V
mi
mo
50% V
50% V
FIGURE 7. 3-STATE Output Low Enable and
Disable Times for AC/ACT, ACQ/ACTQ
DD
DD
for AC/ACQ devices; 1.5V for ACT/ACTQ devices
for AC/ACT, ACQ/ACTQ devices
FIGURE 6. Word Width Expansion—64 x 18 FIFO
9
V
V
mi
mo
50% V
50% V
FIGURE 8. 3-STATE Output High Enable and
Disable Times for AC/ACT, ACQ/ACTQ
DD
DD
for AC/ACQ devices; 1.5V for ACT/ACTQ devices
for AC/ACT, ACQ/ACTQ devices
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