74HCT7403D,518 NXP Semiconductors, 74HCT7403D,518 Datasheet - Page 23

• Manufacturer Part Number: 74HCT7403D,518
• Description: IC FIFO REGISTER 64X4 3ST 16SOIC
• Manufacturer: NXP Semiconductors
• Series: 74HCTr

Specifications of 74HCT7403D,518

• Function: Asynchronous, Synchronous
• Memory Size: 256 (64 x 4)
• Data Rate: 15MHz
• Voltage - Supply: 4.5 V ~ 5.5 V
• Mounting Type: Surface Mount
• Package / Case: 16-SOIC (0.300", 7.5mm Width)
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Operating Temperature: -
• Access Time: -
• Other names: 74HCT7403D-T; 74HCT7403D-T; 933999390518

Philips Semiconductors
Note to Fig.19
This circuit is only required if the SI input is constantly held HIGH, when the FIFO is empty and the automatic shift-in
cycles are started or if SO output is constantly held HIGH, when the FIFO is full and the automatic shift-out cycles are
started (see Figs 7 and 10).
September 1993
handbook, full pagewidth
4-Bit x 64-word FIFO register; 3-state
composite
DIR
Fig.19 Expanded FIFO for increased word length.
Q
Q
Q
Q R
74
CP
CP
D
D
MR
SI
4
4
DIR
SI
DIR
SI
D n
MR
MR
D n
23
7403
7403
DOR
DOR
Q n
SO
OE
SO
OE
Q n
4
4
SO
OE
D
D
CP
CP
74
R
Q
Q
Q
Q
74HC/HCT7403
MGA683
Product specification
composite
DOR