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SN74HC377N Datasheet Preview

SN74HC377N Datasheet

OCTAL D-TYPE FLIP-FLOPS

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D Wide Operating Voltage Range of 2 V to 6 V
D Outputs Can Drive Up To 10 LSTTL Loads
D Low Power Consumption, 80-µA Max ICC
D Typical tpd = 12 ns
D ±4-mA Output Drive at 5 V
D Low Input Current of 1 µA Max
D Eight Flip-Flops With Single-Rail Outputs
D Clock Enable Latched to Avoid False
Clocking
D Applications Include:
– Buffer/Storage Registers
– Shift Registers
– Pattern Generators
description/ordering information
These devices are positive-edge-triggered octal
D-type flip-flops with an enable input. The ’HC377
devices are similar to the ’HC273 devices, but
feature a latched clock-enable (CLKEN) input
instead of a common clear.
Information at the data (D) inputs meeting the
setup time requirements is transferred to the
Q outputs on the positive-going edge of the clock
(CLK) pulse, if CLKEN is low. Clock triggering
occurs at a particular voltage level and is not
directly related to the transition time of the
positive-going pulse. When CLK is at either the
high or low level, the D input has no effect at the
output. These devices are designed to prevent
false clocking by transitions at CLKEN.
SN54HC377, SN74HC377
OCTAL DĆTYPE FLIPĆFLOPS
WITH CLOCK ENABLE
SCLS307B– JANUARY 1996 – REVISED JANUARY 2003
SN54HC377 . . . J OR W PACKAGE
SN74HC377 . . . DW, N, OR NS PACKAGE
(TOP VIEW)
CLKEN 1
1Q 2
1D 3
2D 4
2Q 5
3Q 6
3D 7
4D 8
4Q 9
GND 10
20 VCC
19 8Q
18 8D
17 7D
16 7Q
15 6Q
14 6D
13 5D
12 5Q
11 CLK
SN54HC377 . . . FK PACKAGE
(TOP VIEW)
2D
3 2 1 20 19
4
18
8D
2Q 5
17 7D
3Q 6
16 7Q
3D 7
15 6Q
4D 8
14 6D
9 10 11 12 13
ORDERING INFORMATION
TA
PACKAGE†
ORDERABLE
PART NUMBER
TOP-SIDE
MARKING
PDIP – N
Tube
SN74HC377N
SN74HC377N
–40°C to 85°C SOIC – DW
Tube
Tape and reel
SN74HC377DW
SN74HC377DWR
HC377
SOP – NS
Tape and reel SN74HC377NSR
HC377
CDIP – J
Tube
SNJ54HC377J
SNJ54HC377J
–55°C to 125°C CFP – W
Tube
SNJ54HC377W
SNJ54HC377W
LCCC – FK
Tube
SNJ54HC377FK
SNJ54HC377FK
Package drawings, standard packing quantities, thermal data, symbolization, and PCB design guidelines are
available at www.ti.com/sc/package.
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
PRODUCTION DATA information is current as of publication date.
Products conform to specifications per the terms of Texas Instruments
standard warranty. Production processing does not necessarily include
testing of all parameters.
POST OFFICE BOX 655303 DALLAS, TEXAS 75265
Copyright 2003, Texas Instruments Incorporated
On products compliant to MILĆPRFĆ38535, all parameters are tested
unless otherwise noted. On all other products, production
processing does not necessarily include testing of all parameters.
1




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SN74HC377N Datasheet Preview

SN74HC377N Datasheet

OCTAL D-TYPE FLIP-FLOPS

No Preview Available !

SN54HC377, SN74HC377
OCTAL DĆTYPE FLIPĆFLOPS
WITH CLOCK ENABLE
SCLS307BJANUARY 1996 REVISED JANUARY 2003
FUNCTION TABLE
(each flip-flop)
INPUTS
CLKEN CLK D
OUTPUT
Q
H
X
X
Q0
L
H
H
L
L
L
X
L
X
Q0
logic diagram (positive logic)
CLKEN 1
CLK 11
3
1D
4
2D
7
3D
8
4D
13
5D
14
6D
17
7D
18
8D
C1
1D
C1
1D
C1
1D
C1
1D
C1
1D
C1
1D
C1
1D
C1
1D
2
1Q
5
2Q
6
3Q
9
4Q
12
5Q
15
6Q
16
7Q
19
8Q
2
POST OFFICE BOX 655303 DALLAS, TEXAS 75265


Part Number SN74HC377N
Description OCTAL D-TYPE FLIP-FLOPS
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