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74LVC377 반도체 회로 부품 판매점

Octal D-type flip-flop with data enable; positive-edge trigger



NXP Semiconductors 로고
NXP Semiconductors
74LVC377 데이터시트, 핀배열, 회로
INTEGRATED CIRCUITS
74LVC377
Octal D-type flip-flop with data enable;
positive-edge trigger
Product specification
Supersedes data of 1996 Jun 06
IC24 Data Handbook
1998 Jul 29
Philips
Semiconductors


74LVC377 데이터시트, 핀배열, 회로
Philips Semiconductors
Octal D-type flip-flop with data enable;
positive-edge trigger
Product specification
74LVC377
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 50transmission 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; Tamb = 25°C; tr =tf v2.5 ns
SYMBOL
PARAMETER
CONDITIONS
tPHL/tPLH
Propagation delay
CP to Qn;
CL = 50pF
VCC = 3.3V
fmax Maximum clock frequency
CI Input capacitance
CPD
Power dissipation
capacitance per flip-flop
VI = GND to VCC1
NOTES:
1 CPD is used to determine the dynamic power dissipation (PD in µW)
PD = CPD VCC2 x fi )S (CL VCC2 fo) where:
fi = input frequency in MHz; CL = output load capacity in pF;
fo = output frequency in MHz; VCC = supply voltage in V;
S (CL VCC2 fo) = sum of the outputs.
TYPICAL
6.0
230
5.0
22
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
UNIT
ns
MHz
pF
pF
DWG NUMBER
SOT163-1
SOT339-1
SOT360-1
PIN CONFIGURATION
E1
Q0 2
D0 3
D1 4
Q1 5
Q2 6
D2 7
D3 8
Q3 9
GND 10
20 VCC
19 Q7
18 D7
17 D6
16 Q6
15 Q5
14 D5
13 D4
12 Q4
11 CP
SY00058
PIN DESCRIPTION
PIN
NUMBER
SYMBOL
1E
2, 5, 6,
9, 12, 15,
16, 19
Q0 – Q7
3, 4, 7,
8, 13, 14,
17, 18
D0 – D7
10 GND
11 CP
20 VCC
FUNCTION
Data enable input (active LOW)
Flip-flop outputs
Data inputs
Ground (0V)
Clock input (LOW-to-HIGH,
edge-triggered)
Positive power supply
1998 Jul 29
2




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74LVC377 flip-flop

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