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PDF U74AHC377 Data sheet ( Hoja de datos )
| Número de pieza | U74AHC377 | |
| Descripción | OCTAL D-TYPE FLIP-FLOPS | |
| Fabricantes | Unisonic Technologies | |
| Logotipo |  |
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UNISONIC TECHNOLOGIES CO., LTD
U74AHC377
OCTAL D-TYPE FLIP-FLOPS
WITH DATA ENABLE
POSITIVE-EDGE TRIGGER
DESCRIPTION
The U74AHC377 is a high-speed Si-gate CMOS device and
is compatible with low-power Schottky TTL (LSTTL).
The U74AHC377 has eight edge-triggered, D-type flip-flops
with individual D inputs and Q outputs. A common clock input
(CLK) loads all flip-flops simultaneously when the data enable
input ( EN ) 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 EN input is only
required to be stable one set-up time prior to the LOW-to-HIGH
transition for predictable operation.
FEATURES
* Balanced propagation delays
* All inputs have Schmitt-trigger actions
* Inputs accept voltages higher than Vcc
* Ideal for addressable register applications
* Data enable for address and data synchronization
* Eight positive-edge triggered D-type flip-flops
ORDERING INFORMATION
Ordering Number
U74AHC377G-R20-T
U74AHC377G-P20-R
Package
SSOP-20
TSSOP-20
CMOS IC
Packing
Tube
Tape Reel
MARKING
www.unisonic.com.tw
Copyright © 2015 Unisonic Technologies Co., Ltd
1 of 8
QW-R502-A48.B
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U74AHC377
CMOS IC
ABSOLUTE MAXIMUM RATING
PARAMETER
SYMBOL
TEST CONDITIONS
MIN TYP MAX UNIT
Supply Voltage
VCC
-0.5 7 V
Input Voltage
VI
-0.5 7 V
VCC or GND Current
ICC
-75 +75 mA
Output Current
IOUT VO=-0.5V to (VCC+0.5V) -25 +25 mA
Input Clamp Current
IIK VI<-0.5V
-20 mA
Output Clamp Current
IOK VO<-0.5V or VO> VCC+0.5V
-20
+20 mA
Storage Temperature
TSTG
-65 +150 °C
Note: The input and output voltage ratings may be exceeded if the input and output current ratings are observed.
RECOMMENDED OPERATING CONDITIONS
PARAMETER
Supply Voltage
Input Voltage
Output Voltage
Input Transition Rise and Fall Rate
Ambient Temperature
THERMAL DATA
SYMBOL
VCC
VIN
VOUT
∆t/∆v
TA
TEST CONDITIONS
VCC=3V ~ 3.6V
VCC=4.5V ~ 5.5V
MIN TYP MAX UNIT
2 5 5.5 V
0 5.5 V
0
VCC
V
100
20
ns/V
-40 +25 +85 °C
PARAMETER
Junction to Ambient
SOP-20
TSSOP-20
SYMBOL
θJA
RATINGS
58
83
UNIT
°С/W
ELECTRICAL CHARACTERISTICS (TA =25°C, unless otherwise specified)
PARAMETER
High-level Input Voltage
Low-level Input Voltage
Output Voltage High-Level
Output Voltage Low-Level
Input Leakage Current
Quiescent Supply Current
Input Capacitance
SYMBOL
VIH
VIL
VOH
VOL
II(LEAK)
ICC
CI
TEST CONDITIONS
VCC=2V
VCC=3V
VCC=5.5V
VCC=2V
VCC=3V
VCC=5.5V
VCC=2V, IOH=-50μA
VCC=3V, IOH=-50μA
VCC=4.5V, IOH=-50μA
VCC=3V, IOH=-4mA
VCC=4.5V, IOH=-8mA
VCC=2V, IOH=50μA
VCC=3V, IOH=50μA
VCC=4.5V, IOH=50μA
VCC=3V, IOH=4mA
VCC=4.5V, IOH=8mA
VCC=0V to 5.5V, VIN= 5.5V or
GND
VCC=5.5V, VIN=VCC or GND,
IOUT=0
VI=Vcc or GND
MIN TYP MAX UNIT
1.5
2.1 V
3.85
0.5
0.9 V
1.65
1.9 2
2.9 3
4.4 4.5
V
2.58
3.94
0 0.1
0 0.1
0 0.1
V
0.36
0.36
0.1 μA
4 μA
3 10 pF
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
5 of 8
QW-R502-A48.B
5 Page | ||
| Páginas | Total 8 Páginas | |
| PDF Descargar | [ Datasheet U74AHC377.PDF ] | |
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