參數(shù)資料
型號: 74HC7404D
廠商: NXP SEMICONDUCTORS
元件分類: FIFO
英文描述: 5-Bit x 64-word FIFO register; 3-state
中文描述: 64 X 5 OTHER FIFO, 98 ns, PDSO20
封裝: PLASTIC, SO-20
文件頁數(shù): 24/28頁
文件大?。?/td> 131K
代理商: 74HC7404D
September 1993
24
Philips Semiconductors
Product specification
5-Bit x 64-word FIFO register; 3-state
74HC/HCT7404
Note to
Fig.21
The “7404” is easily cascaded to increase word capacity without any external circuitry. In cascaded format, all necessary
communications are handled by the FIFOs. Figures 22 and 23 demonstrate the intercommunication timing between
FIFO
A
and FIFO
B
. Figure 24 provides an overview of pulses and timing of two cascaded FIFOs, when shifted full and
shifted empty again.
Fig.21 Cascading for increased word capacity; 128 word
×
5 bits.
handbook, full pagewidth
MGA682
DIR
OE
SI
MR
DnA
5
DIR
SI
DOR
SO
DATA INPUT
A
A
5
SOA
DORA
QnA
7404
FIFO A
DIR
OE
SI
MR
DnB
B
B
5
SOB
QnB
DORB
7404
FIFO B
DATA OUTPUT
OE
MR
相關PDF資料
PDF描述
74HC7404N 5-Bit x 64-word FIFO register; 3-state
74HCT7404 Dual 4-Input Positive-NAND Gates 14-TSSOP -40 to 85
74HCT7404D 5-Bit x 64-word FIFO register; 3-state
74HCT7404N 5-Bit x 64-word FIFO register; 3-state
74HC74 Dual D-type flip-flop with set and reset; positive-edge trigger
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