參數(shù)資料
型號(hào): 74F377A
廠商: NXP Semiconductors N.V.
英文描述: Octal D-type flip-flop with enable
中文描述: 八路D型觸發(fā)器與啟用
文件頁(yè)數(shù): 2/10頁(yè)
文件大?。?/td> 84K
代理商: 74F377A
Philips Semiconductors
Product specification
74F377A
Octal D-type flip-flop with enable
2
1996 Mar 12
853–0026 16555
FEATURES
High impedance inputs for reduced loading (20
μ
A in Low and
High states)
Ideal for addressable register applications
Enable for address and data synchronization applications
Eight edge–triggered D–type flip–flops
Buffered common clock
See ’F273A for Master Reset version
See ’F373 for transparent latch version
See ’F374 for 3–State version
DESCRIPTION
The 74F377A has 8 edge-triggered D-type flip-flops with individual D
inputs and Q outputs. The common buffered clock (CP) input loads
all flip-flops simultaneously when the Enable (E) input is Low.
The register is fully edge triggered. The state of each D input, one
set-up time before the Low-to-High clock transition, is transferred to
the corresponding flip-flop’s Q output.
The E input must be stable one setup time prior to the Low-to-High
clock transition for predictable operation.
TYPE
TYPICAL f
MAX
TYPICAL SUPPLY CURRENT (TOTAL)
74F377A
165MHz
29mA
ORDERING INFORMATION
PACKAGES
COMMERCIAL RANGE
V
CC
= 5V
±
10%; T
amb
= 0
°
C to +70
°
C
PKG. DWG. #
20–pin plastic DIP
N74F377AN
SOT146-1
20–pin plastic SOL
N74F377AD
SOT163-1
INPUT AND OUTPUT LOADING AND FAN–OUT TABLE
PINS
DESCRIPTION
74F(U.L.)
HIGH/LOW
LOAD VALUE
HIGH/LOW
D0 – D7
Data inputs
1.0/0.033
20
μ
A/20
μ
A
20
μ
A/20
μ
A
20
μ
A/20
μ
A
CP
Clock pulse input (active rising edge)
1.0/0.033
E
Enable input (active–Low)
1.0/0.033
Q0 – Q7
Data outputs
50/33
1.0mA/20mA
PIN CONFIGURATION
20
19
18
17
16
15
14
13
12
10
11
9
8
7
6
5
4
3
2
1
V
CC
Q7
D7
D6
Q6
Q5
D5
D4
Q4
CP
Q0
D0
D1
Q1
Q2
D2
D3
Q3
GND
E
SF00350
LOGIC SYMBOL
SF00351
3
4
7
8
13
14
18
17
D0
D1
D2
D3
D4
D5
D6
D7
Q0
Q1
Q2
Q3
Q4
Q5
Q6
Q7
2
5
6
9
12
15
16
19
1
11
E
CP
V
= Pin 20
GND = Pin 10
相關(guān)PDF資料
PDF描述
74F378 Hex D flip-flop with enable
74F378SJ 3.3V, 80MHz 1:10 Output Non-Inverting Clock Driver, Industrial Temp. Operation
74F378PC Parallel D Register with Enable
74F378SC Parallel D Register with Enable
74F378SJ IC 10-OUTPUT CLOCK DRV 20SOIC
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
74F377N 制造商:SIG 功能描述:74F377 制造商:NXP Semiconductors 功能描述:
74F377PC 功能描述:觸發(fā)器 Qd 2-Input NAND Buff 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(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
74F377PC_Q 功能描述:觸發(fā)器 Qd 2-Input NAND Buff 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(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
74F377SC 功能描述:觸發(fā)器 Qd 2-Input NAND Buff 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(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
74F377SC_Q 功能描述:觸發(fā)器 Qd 2-Input NAND Buff 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(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