參數(shù)資料
型號： 74LV374
廠商： NXP Semiconductors N.V.
英文描述： Octal D-type flip-flop;positive edge-trigger (3-State)(上升沿觸發(fā),八D觸發(fā)器)
中文描述： 八路D型觸發(fā)器;上升沿觸發(fā)（3態(tài)）（上升沿觸發(fā)，八?觸發(fā)器）
文件頁數(shù)： 2/12頁
文件大?。?/td> 111K
代理商： 74LV374
Philips Semiconductors
Product specification
74LV374
Octal D-type flip-flop; positive edge-trigger (3-State)
2
1997 Mar 20
FEATURES
Wide operating voltage: 1.0 to 5.5V
Optimized for Low Voltage applications: 1.0 to 3.6V
Accepts TTL input levels between V
CC
= 2.7V and V
CC
= 3.6V
Typical V
OLP
(output ground bounce)
T
amb
= 25
°
C
Typical V
OHV
(output V
OH
undershoot)
T
amb
= 25
°
C
Common 3-State output enable input
Output capability: bus driver
I
CC
category: MSI
0.8V @ V
CC
= 3.3V,
2V @ V
CC
= 3.3V,
DESCRIPTION
The 74LV374 is a low-voltage Si-gate CMOS device and is pin and
function compatible with 74HC/HCT374.
The 74LV374 is an octal D-type flip–flop featuring separate D-type
inputs for each flip-flop and 3-state outputs for bus oriented
applications. A clock (CP) and an output enable (OE) input are
common to all flip-flops.
The eight flip-flops will store the state of their individual D-inputs that
meet the set-up and hold times requirements on the LOW-to-HIGH
CP transition.
When OE is LOW, the contents of the eight flip-flops is available at
the outputs. When OE is HIGH, the outputs go to the high
impedance OFF-state. Operation of the OE input does not affect the
state of the flip-flops.
QUICK REFERENCE DATA
GND = 0V; T
amb
= 25
°
C; t
r
=t
f
SYMBOL
2.5 ns
PARAMETER
CONDITIONS
TYPICAL
UNIT
t
PHL
/t
PLH
Propagation delay
CP to Q
n
C
L
= 15pF
V
CC
= 3.3V
14
ns
f
max
C
I
C
PD
NOTES:
1. C
PD
is used to determine the dynamic power dissipation (P
D
in
μ
W)
P
D
= C
PD
V
CC2
x f
i
(C
L
f
i
= input frequency in MHz; C
L
= output load capacity in pF;
f
o
= output frequency in MHz; V
CC
= supply voltage in V;
(C
L
V
CC2
f
o
) = sum of the outputs.
2. The condition is V
I
= GND to V
CC
Maximum clock frequency
77
MHz
Input capacitance
3.5
pF
Power dissipation capacitance per flip-flop
Notes 1 and 2
25
pF
V
CC2
f
o
) where:
ORDERING INFORMATION
PACKAGES
TEMPERATURE RANGE
OUTSIDE NORTH AMERICA
NORTH AMERICA
PKG. DWG. #
20-Pin Plastic DIL
–40
°
C to +125
°
C
–40
°
C to +125
°
C
–40
°
C to +125
°
C
74LV374 N
74LV374 N
SOT146-1
20-Pin Plastic SO
74LV374 D
74LV374 D
SOT163-1
20-Pin Plastic SSOP Type II
74LV374 DB
74LV374 DB
SOT339-1
PIN DESCRIPTION
PIN
NUMBER
SYMBOL
FUNCTION
1
OE
Output enable input (active-LOW)
2, 5, 6, 9, 12,
15, 16, 19
Q0 to Q7
3-State flip-flop outputs
3, 4, 7, 8, 13,
14, 17, 18
D0 to D7
Data inputs
10
GND
Ground (0V)
11
CP
Clock input (LOW-to-HIGH, edge-
triggered)
20
V
CC
Positive supply voltage
FUNCTION TABLE
OPERATING
MODES
INPUTS
INTERNAL
FLIP-FLOPS
OUTPUTS
OE
CP
Dn
Q0 to Q7
Load and read
register
L
L
↑
↑
l
h
L
H
L
H
Load register and
disable outputs
H
H
↑
↑
l
h
L
H
Z
Z
H
h
=
= HIGH voltage level one set-up time prior to the
LOW-to-HIGH CP transition
=
LOW voltage level
=
LOW voltage level one set-up time prior to the
LOW-to-HIGH CP transition
=
High impedance OFF-state
=
LOW–to–HIGH clock transition
HIGH voltage level
L
l
Z
↑
相關(guān)PDF資料
PDF描述
74LV377 Octal D-type flip-flop with data enable;positive edge-trigger(上升沿觸發(fā),帶數(shù)據(jù)使能的八D觸發(fā)器)
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
74LV374A 制造商:TI 制造商全稱:Texas Instruments 功能描述:OCTAL EDGE-TRIGGERED D-TYPE FLIP-FLOPS WITH 3-STATE OUTPUTS
74LV374ATELL-E 制造商:Renesas Electronics Corporation 功能描述:
74LV374D 功能描述:觸發(fā)器 3.3V D-TYPE F/F POS EDGE 3-S 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
74LV374D,112 功能描述:觸發(fā)器 3.3V D-TYPE F/F POS 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
74LV374D,118 功能描述:觸發(fā)器 3.3V D-TYPE F/F POS 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
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