參數資料
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: 4/28頁
文件大?。?/td> 131K
代理商: 74HCT7404
September 1993
4
Philips Semiconductors
Product specification
5-Bit x 64-word FIFO register; 3-state
74HC/HCT7404
Fig.3 Logic symbol.
Pin numbers between parentheses refer to the SO package.
handbook, halfpage
MGA673
16 (18)
2 (2)
15 (16)
14 (15)
13 (14)
12 (13)
11 (12)
1 (1)
(3) 3
10 (11)
(19) 17
(5) 4
(6) 5
(7) 6
(8) 7
(9) 8
DIR
D0
D1
D2
D3
D4
Q4
Q3
Q2
Q1
Q0
OE
SI
SO
DOR
MR
Fig.4 IEC logic symbol.
Pin numbers between parentheses refer to the SO package.
handbook, halfpage
MGA675
1 ( /C2)
CT = 0
5
<
CT
64
CT 0
CTR
5Z6
1Z3
EN4
G1
G5
[IR] 3
[OR] 6
FIFO 64 x 5
2D
4
16 (18)
2 (2)
15 (16)
14 (15)
13 (14)
12 (13)
11 (12)
(1) 1
(3) 3
(11) 10
(19) 17
(5) 4
(6) 5
(7) 6
(8) 7
(9) 8
Fig.5 Functional diagram.
Pin numbers between parentheses refer to the SO package.
handbook, full pagewidth
MGA680
16 (18)
2 (2)
1 (1)
3 (3)
(11) 10
17 (19)
DIR
OE
SI
DOR
SO
MR
(5) 4
(6) 5
(7) 6
(8) 7
(9) 8
D0
D1
D2
D3
D4
15 (16)
14 (15)
13 (14)
12 (13)
11 (12)
Q4
Q3
Q2
Q1
Q0
INPUT
STAGE
1 x 5 BITS
MAIN FIFO
REGISTER
62 x 5 BITS
CONTROL LOGIC
OUTPUT
STAGE
1 x 5 BITS
OE
相關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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