參數(shù)資料
型號(hào): 74LVC377
廠商: NXP Semiconductors N.V.
英文描述: Octal D-type flip-flop with data enable;positive-edge trigger(帶數(shù)據(jù)使能的上升沿觸發(fā)的八D觸發(fā)器)
中文描述: 八路D型觸發(fā)器數(shù)據(jù)使觸發(fā)器,積極邊緣觸發(fā)器(帶數(shù)據(jù)使能的上升沿觸發(fā)的八?觸發(fā)器)
文件頁(yè)數(shù): 2/10頁(yè)
文件大小: 95K
代理商: 74LVC377
Philips Semiconductors
Product specification
74LVC377
Octal D-type flip-flop with data enable;
positive-edge trigger
2
1998 Jul 29
FEATURES
Wide supply voltage range of 1.2V to 3.6V
Conforms to JEDEC standard 8-1A
Inputs accept voltages up to 5.5V
CMOS low power consumption
Direct interface with TTL levels
Output drive capability 50
transmission lines @ 85
°
C
DESCRIPTION
The 74LVC377 is a low-voltage Si-gate CMOS device, superior to
most advanced CMOS compatible TTL families.
The 74LVC377 has eight edge-triggered , D-type flip-flops with
individual D inputs and Q outputs. A common clock (CP) input loads
all flip-flops simultaneously when the data enable E is LOW. The
state of each D input, one set-up time before the LOW-to-HIGH
clock transition, is transferred to the corresponding output (Qn) of
the flip-flop. The E input must be stable only one set-up time prior to
the LOW-to-HIGH transition for predictable operation.
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 Qn;
C
L
= 50pF
V
CC
= 3.3V
6.0
ns
f
max
C
I
Maximum clock frequency
230
MHz
Input capacitance
5.0
pF
C
PD
Power dissipation
capacitance per flip-flop
V
I
= GND to V
CC1
22
pF
NOTES:
1
C
PD
is used to determine the dynamic power dissipation (P
D
in
μ
W)
P
= C
V
CC2
x f
(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.
V
CC2
f
) where:
ORDERING INFORMATION
PACKAGES
20-Pin Plastic SO
20-Pin Plastic SSOP Type II
20-Pin Plastic TSSOP Type I
TEMPERATURE RANGE
–40
°
C to +85
°
C
–40
°
C to +85
°
C
–40
°
C to +85
°
C
OUTSIDE NORTH AMERICA
74LVC377 D
74LVC377 DB
74LVC377 PW
NORTH AMERICA
74LVC377 D
74LVC377 DB
74LVC377PW DH
DWG NUMBER
SOT163-1
SOT339-1
SOT360-1
PIN CONFIGURATION
14
13
12
11
10
9
8
7
6
5
4
3
2
1
GND
V
CC
15
16
17
18
19
20
E
Q0
D0
D1
Q1
Q2
D2
D3
Q3
Q7
D7
D6
Q6
Q5
D5
D4
Q4
CP
SY00058
PIN DESCRIPTION
PIN
NUMBER
SYMBOL
FUNCTION
1
E
Data enable input (active LOW)
2, 5, 6,
9, 12, 15,
16, 19
Q0 – Q7
Flip-flop outputs
3, 4, 7,
8, 13, 14,
17, 18
D0 – D7
Data inputs
10
GND
Ground (0V)
11
CP
Clock input (LOW-to-HIGH,
edge-triggered)
20
V
CC
Positive power supply
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74LVC377D 功能描述:觸發(fā)器 3.3V OCTAL POS D-TYPE ENABL RoHS:否 制造商:Texas Instruments 電路數(shù)量:2 邏輯系列:SN74 邏輯類(lèi)型:D-Type Flip-Flop 極性:Inverting, Non-Inverting 輸入類(lèi)型:CMOS 輸出類(lèi)型: 傳播延遲時(shí)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
74LVC377D,112 功能描述:觸發(fā)器 3.3V OCTAL POS RoHS:否 制造商:Texas Instruments 電路數(shù)量:2 邏輯系列:SN74 邏輯類(lèi)型:D-Type Flip-Flop 極性:Inverting, Non-Inverting 輸入類(lèi)型:CMOS 輸出類(lèi)型: 傳播延遲時(shí)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
74LVC377D,118 功能描述:觸發(fā)器 3.3V OCTAL POS RoHS:否 制造商:Texas Instruments 電路數(shù)量:2 邏輯系列:SN74 邏輯類(lèi)型:D-Type Flip-Flop 極性:Inverting, Non-Inverting 輸入類(lèi)型:CMOS 輸出類(lèi)型: 傳播延遲時(shí)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
74LVC377DB 功能描述:觸發(fā)器 3.3V OCTAL POS D-TYPE ENABL RoHS:否 制造商:Texas Instruments 電路數(shù)量:2 邏輯系列:SN74 邏輯類(lèi)型:D-Type Flip-Flop 極性:Inverting, Non-Inverting 輸入類(lèi)型:CMOS 輸出類(lèi)型: 傳播延遲時(shí)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
74LVC377DB,112 功能描述:觸發(fā)器 3.3V OCTAL POS RoHS:否 制造商:Texas Instruments 電路數(shù)量:2 邏輯系列:SN74 邏輯類(lèi)型:D-Type Flip-Flop 極性:Inverting, Non-Inverting 輸入類(lèi)型:CMOS 輸出類(lèi)型: 傳播延遲時(shí)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