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SN74F378 Datasheet

Hex D-Type Flip-Flop

No Preview Available !

Contains Six D-Type Flip-Flops
With Single-Rail Outputs
Applications Include:
Buffer/Storage Registers
Shift Registers
Pattern Generators
Buffered Common Enable Input
Package Options Include Plastic
Small-Outline Packages and Standard
Plastic 300-mil DIPs
SN74F378
HEX DĆTYPE FLIPĆFLOP
WITH CLOCK ENABLE
SDFS030B − D2932, MARCH 1987 − REVISED OCTOBER 1993
D OR N PACKAGE
(TOP VIEW)
CLKEN
1Q
1D
2D
2Q
3D
3Q
GND
1
2
3
4
5
6
7
8
16 VCC
15 6Q
14 6D
13 5D
12 5Q
11 4D
10 4Q
9 CLK
description
The SN74F378 is a positive-edge-triggered D-type flip-flop with a clock enable (CLKEN) input. The SN74F378
is similar to the SN74F174 but features a common clock enable 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 pulse if CLKEN is low. Clock triggering occurs at a particular voltage level and
is not directly related to the positive-going pulse. When the clock (CLK) input is at either the high or low level,
the D-input signal has no effect at the output.
The SN74F378 is characterized for operation from 0°C to 70°C.
FUNCTION TABLE
(each flip-flop)
INPUTS
CLKEN CLK
HX
L
L
XL
D
X
H
L
X
OUTPUT
Q
Q0
H
L
Q0
logic symbol
1
CLKEN
9
CLK
3
1D
4
2D
6
3D
11
4D
13
5D
14
6D
G1
1C2
2D
This symbol is in accordance with ANSI/IEEE Std 91-1984 and IEC Publication 617-12.
2
1Q
5
2Q
7
3Q
10
4Q
12
5Q
15
6Q
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.
Copyright 1993, Texas Instruments Incorporated
POST OFFICE BOX 655303 DALLAS, TEXAS 75265
POST OFFICE BOX 1443 HOUSTON, TEXAS 77251−1443
2−1


Texas Instruments (TI) Electronic Components Datasheet

SN74F378 Datasheet

Hex D-Type Flip-Flop

No Preview Available !

SN74F378
HEX DĆTYPE FLIPĆFLOP
WITH CLOCK ENABLE
SDFS030B − D2932, MARCH 1987 − REVISED OCTOBER 1993
logic diagram (positive logic)
CLKEN 1
9
CLK
1D 3
1D
C1
2 1Q
6D 14
Four Identical Channels
Not Shown
1D
C1
15
6Q
absolute maximum ratings over operating free-air temperature range (unless otherwise noted)
Supply voltage range, VCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −0.5 V to 7 V
Input voltage range, VI (see Note 1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −1.2 V to 7 V
Input current range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −30 mA to 5 mA
Voltage range applied to any output in the high state . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −0.5 V to VCC
Current into any output in the low state . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40 mA
Operating free-air temperature range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0°C to 70°C
Storage temperature range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −65°C to 150°C
Stresses beyond those listed under “absolute maximum ratings” may cause permanent damage to the device. These are stress ratings only and
functional operation of the device at these or any other conditions beyond those indicated under “recommended operating conditions” is not
implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.
NOTE 1: The input-voltage ratings may be exceeded provided the input-current ratings are observed.
recommended operating conditions
VCC
VIH
VIL
IIK
IOH
IOL
TA
Supply voltage
High-level input voltage
Low-level input voltage
Input clamp current
High-level output current
Low-level output current
Operating free-air temperature
MIN NOM MAX UNIT
4.5 5 5.5 V
2V
0.8 V
−18 mA
−1 mA
20 mA
0 70 °C
2−2
POST OFFICE BOX 655303 DALLAS, TEXAS 75265
POST OFFICE BOX 1443 HOUSTON, TEXAS 77251−1443


Part Number SN74F378
Description Hex D-Type Flip-Flop
Maker Texas
Total Page 7 Pages
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