參數(shù)資料
型號: 74HCT7404
廠商: NXP Semiconductors N.V.
英文描述: Dual 4-Input Positive-NAND Gates 14-TSSOP -40 to 85
中文描述: 5位× 64字FIFO寄存器,三態(tài)
文件頁數(shù): 24/28頁
文件大?。?/td> 131K
代理商: 74HCT7404
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(guān)PDF資料
PDF描述
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
74HC7540 Octal Schmitt trigger buffer/line driver; 3-state; inverting
74HCT7540 Dual 4-Input Positive-AND Gates 14-SOIC -40 to 85
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