- 您現(xiàn)在的位置：買賣IC網(wǎng) > PDF目錄225203 > SN54HCT273WR (TEXAS INSTRUMENTS INC) HCT SERIES, POSITIVE EDGE TRIGGERED D FLIP-FLOP, TRUE OUTPUT, CDFP20 PDF資料下載
參數(shù)資料
| 型號(hào)： | SN54HCT273WR |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 鎖存器 |
| 英文描述： | HCT SERIES, POSITIVE EDGE TRIGGERED D FLIP-FLOP, TRUE OUTPUT, CDFP20 |
| 封裝： | CERAMIC, DFP-20 |
| 文件頁數(shù)： | 5/10頁 |
| 文件大小： | 211K |
| 代理商： | SN54HCT273WR |
SN54HCT273, SN74HCT273
OCTAL D-TYPE FLIP-FLOPS
WITH CLEAR
SCLS068C – NOVEMBER 1988 – REVISED MAY 1997
4
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
timing requirements over recommended operating free-air temperature range (unless otherwise
noted)
VCC
TA = 25°C
SN54HCT273
SN74HCT273
UNIT
VCC
MIN
MAX
MIN
MAX
MIN
MAX
UNIT
f lk
Clock frequency
4.5 V
0
25
0
16
0
20
MHz
fclock
Clock frequency
5.5 V
0
28
0
19
0
23
MHz
CLK high or low
4.5 V
20
30
25
t
Pulse duration
CLK high or low
5.5 V
18
25
22
ns
tw
Pulse duration
CLR low
4.5 V
16
24
20
ns
CLR low
5.5 V
14
20
17
↑
Data
4.5 V
20
30
25
t
Setup time before CLK
↑
Data
5.5 V
17
25
21
ns
tsu
Setup time before CLK
↑
CLR inactive
4.5 V
20
30
25
ns
CLR inactive
5.5 V
17
25
21
th
Hold time data after CLK
↑
4.5 V
0
ns
th
Hold time data after CLK
↑
5.5 V
0
ns
switching characteristics over recommended operating free-air temperature range, VCC = 5 V ± 0.5 V,
CL = 50 pF (unless otherwise noted) (see Figure 1)
FROM
TO
SN54HCT273
PARAMETER
FROM
(INPUT)
TO
(OUTPUT)
VCC
TA = 25°C
MIN
MAX
UNIT
(INPUT)
(OUTPUT)
MIN
TYP
MAX
MIN
MAX
f
4.5 V
25
31
16
MHz
fmax
5.5 V
28
37
19
MHz
t d
CLR
Any
4.5 V
15
34
50
ns
tpd
CLR
Any
5.5 V
12
29
42
ns
tPHL
CLR
Any
4.5 V
17
15
50
ns
tPHL
CLR
Any
5.5 V
15
34
42
ns
tt
Any
4.5 V
8
18
22
ns
tt
Any
5.5 V
7
19
21
ns
switching characteristics over recommended operating free-air temperature range, VCC = 5 V ± 0.5 V,
CL = 50 pF (unless otherwise noted) (see Figure 1)
FROM
TO
SN74HCT273
PARAMETER
FROM
(INPUT)
TO
(OUTPUT)
VCC
TA = 25°C
MIN
MAX
UNIT
(INPUT)
(OUTPUT)
MIN
TYP
MAX
MIN
MAX
f
4.5 V
25
31
20
MHz
fmax
5.5 V
28
37
23
MHz
t d
CLR
Any
4.5 V
15
34
42
ns
tpd
CLR
Any
5.5 V
12
29
36
ns
tPHL
CLR
Any
4.5 V
17
34
42
ns
tPHL
CLR
Any
5.5 V
15
29
36
ns
tt
Any
4.5 V
8
15
19
ns
tt
Any
5.5 V
7
14
17
ns
PRODUCT PREVIEW information concerns products in the formative or
design phase of development. Characteristic data and other
specifications are design goals. Texas Instruments reserves the right to
change or discontinue these products without notice.
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| SN54HCT373FKR | HCT SERIES, 8-BIT DRIVER, TRUE OUTPUT, CQCC20 |
| SN54LS77J | LS SERIES, DUAL HIGH LEVEL TRIGGERED D LATCH, TRUE OUTPUT, CDIP14 |
| SN54LS90W | DECADE, DIVIDE-BY-TWELVE AND BINARY COUNTERS |
| SN54LS91 | 8-BIT SHIFT REGISTERS |
| SN65ALS172A | Quadruple Differential Line Driver |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| SN54HCT373J | 制造商:Texas Instruments 功能描述:Latch Transparent 3-ST 8-CH D-Type 20-Pin CDIP Tube 制造商:Rochester Electronics LLC 功能描述:- Bulk 制造商:Texas Instruments 功能描述:LATCH TRANSPARENT 3-ST 8CH D-TYPE 20CDIP - Rail/Tube |
| SN54HCT374J | 制造商:Texas Instruments 功能描述:Flip Flop D-Type Bus Interface Pos-Edge 3-ST 1-Element 20-Pin CDIP Tube 制造商:Texas Instruments 功能描述:FLIP FLOP D-TYPE BUS INTRFC POS-EDGE 3-ST 1-ELEM 20CDIP - Rail/Tube |
| SN54HCT541J | 制造商:Texas Instruments 功能描述:Buffer/Line Driver 8-CH Non-Inverting 3-ST CMOS 20-Pin CDIP Tube 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| SN54HCU04J | 制造商:Texas Instruments 功能描述:HEX INVERTER - Rail/Tube 制造商:Texas Instruments 功能描述:Inverter 6-Element CMOS 14-Pin CDIP Tube |
| SN54L00W | 制造商:MAJOR 功能描述: |
發(fā)布緊急采購，3分鐘左右您將得到回復(fù)。