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): 22/28頁
文件大小: 131K
代理商: 74HCT7404
September 1993
22
Philips Semiconductors
Product specification
5-Bit x 64-word FIFO register; 3-state
74HC/HCT7404
Note to
Fig.19
The ”7404” is easily expanded to increase word length. Composite DIR and DOR flags are formed with the addition of
an AND gate. The basic operation and timing are identical to a single FIFO, with the exception of an added gate delay
on the flags.
Fig.19 Expanded FIFO for increased word length; 64 words
×
10 bits.
handbook, full pagewidth
MGA681
DIR
OE
SI
DOR
SO
MR
Dn
Qn
5
5
7404
DIR
OE
SI
DOR
SO
MR
7404
Dn
Qn
5
5
DATA INPUT
COMPOSITE
DIR
FLAG
SI
MR
OE
SO
DATA OUTPUT
COMPOSITE
DOR
FLAG
DATA INPUT
DATA OUTPUT
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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