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參數(shù)資料
| 型號： | SN74LS374M |
| 廠商： | ON SEMICONDUCTOR |
| 元件分類： | 總線收發(fā)器 |
| 英文描述： | Octal Transparent Latch with 3-State Outputs Octal D-Type Flip-Flop with 3-State Output |
| 中文描述： | LS SERIES, 8-BIT DRIVER, TRUE OUTPUT, PDSO20 |
| 封裝： | EIAJ, SOIC-20 |
| 文件頁數(shù)： | 4/8頁 |
| 文件大?。?/td> | 209K |
| 代理商： | SN74LS374M |
SN74LS373, SN74LS374
http://onsemi.com
4
AC CHARACTERISTICS
(T
A
= 25
°
C, V
CC
= 5.0 V)
Symbol
Parameter
Limits
Unit
Test Conditions
LS373
LS374
Min
Typ
Max
Min
Typ
Max
f
MAX
Maximum Clock Frequency
35
50
MHz
C
L
= 45 pF,
R
L
= 667
Ω
t
PLH
t
PHL
Propagation Delay,
Data to Output
12
12
18
18
ns
t
PLH
t
PHL
Clock or Enable
to Output
20
18
30
30
15
19
28
28
ns
t
PZH
t
PZL
Output Enable Time
15
25
28
36
20
21
28
28
ns
t
PHZ
t
PLZ
Output Disable Time
12
15
20
25
12
15
20
25
ns
C
L
= 5.0 pF
AC SETUP REQUIREMENTS
(T
A
= 25
°
C, V
CC
= 5.0 V)
Symbol
Parameter
Limits
Unit
LS373
LS374
Min
Max
Min
Max
t
W
Clock Pulse Width
15
15
ns
t
s
Setup Time
5.0
20
ns
t
h
Hold Time
20
0
ns
DEFINITION OF TERMS
SETUP TIME (t
s
) — is defined as the minimum time
required for the correct logic level to be present at the logic
input prior to LE transition from HIGH-to-LOW in order to
be recognized and transferred to the outputs.
HOLD TIME (t
h
) — is defined as the minimum time
following the LE transition from HIGH-to-LOW that the
logic level must be maintained at the input in order to ensure
continued recognition.
SN74LS373
AC WAVEFORMS
Figure 1.
t
W
t
W
LE
1.3 V
OUTPUT
D
n
t
s
t
h
t
PLH
t
PHL
Figure 2.
Figure 3.
1.3 V
1.3 V
1.3 V
OE
V
OUT
OE
V
OUT
t
PHZ
1.3 V
1.3 V
t
PZL
t
PLZ
V
OL
1.3 V
V
OH
0.5 V
t
PZH
1.3 V
1.3 V
0.5 V
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| SN74LS374MEL | Octal Transparent Latch with 3-State Outputs Octal D-Type Flip-Flop with 3-State Output |
| SN74LVT125DB | LVT SERIES, QUAD 1-BIT DRIVER, TRUE OUTPUT, PDSO14 |
| SN75446P | 0.4 A 2 CHANNEL, BUF OR INV BASED PRPHL DRVR, PDIP8 |
| SN75446D | 0.4 A 2 CHANNEL, BUF OR INV BASED PRPHL DRVR, PDSO8 |
| SN75LBC784DW | QUAD LINE TRANSCEIVER, PDSO28 |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| SN74LS374MC1 | 制造商:Rochester Electronics LLC 功能描述:- Bulk 制造商:ON Semiconductor 功能描述: |
| SN74LS374MR1 | 制造商:Rochester Electronics LLC 功能描述:- Bulk 制造商:Motorola Inc 功能描述: 制造商:MOTOROLA 功能描述: |
| SN74LS374N | 功能描述:觸發(fā)器 Octal RoHS:否 制造商:Texas Instruments 電路數(shù)量:2 邏輯系列:SN74 邏輯類型:D-Type Flip-Flop 極性:Inverting, Non-Inverting 輸入類型:CMOS 輸出類型: 傳播延遲時間:4.4 ns 高電平輸出電流:- 16 mA 低電平輸出電流:16 mA 電源電壓-最大:5.5 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:X2SON-8 封裝:Reel |
| SN74LS374N | 制造商:Texas Instruments 功能描述:IC FLIP-FLOP 8 CIRCUITS |
| SN74LS374N | 制造商:Texas Instruments 功能描述:Flip Flop Logic IC |
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