HD74LS374P Renesas Electronics Corporation., HD74LS374P Datasheet

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HD74LS374P

Manufacturer Part Number
HD74LS374P
Description
Manufacturer
Renesas Electronics Corporation.
Datasheet

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HD74LS374
Octal D-type Edge-triggered Flip-Flops (with three-state outputs)
The HD74LS374, 8-bit register features totem-pole three-state outputs designed specifically for driving highly-
capacitive or relatively low-impedance loads. The high-impedance third state and increased high-logic-level drive
provide this register with the capability of being connected directly to and driving the bus lines in a bus-organized
system without need for interface or pull-up components. They are particularly attractive for implementing buffer
registers, I/O ports, bidirectional bus drivers, and working registers. The eight flip-flops are edge-triggered D-type flip-
flops. On the positive transition the clock, the Q outputs will be set to the logic states that ware setup at the D inputs.
Features
Note: Please consult the sales office for the above package availability.
Pin Arrangement
Rev.2.00, Feb.18.2005, page 1 of 7
Part Name
HD74LS374P
HD74LS374FPEL
HD74LS374RPEL
Ordering Information
Package Type
DILP-20 pin
SOP-20 pin (JEITA)
SOP-20 pin (JEDEC)
Control
Output
GND
1Q
2Q
3Q
4Q
1D
2D
3D
4D
10
1
2
3
4
5
6
7
8
9
Package Code
(Previous Code)
PRDP0020AC-B
(DP-20NEV)
PRSP0020DD-B
(FP-20DAV)
PRSP0020DC-A
(FP-20DBV)
OE
OE
OE
OE
CK
CK
CK
CK
(Top view)
Q
D
D
Q
Q
D
D
Q
OE
OE
OE
OE
CK
CK
CK
CK
Package
Abbreviation
P
FP
RP
Q
D
D
Q
Q
D
D
Q
20
19
18
17
16
15
14
13
12
11
V
8Q
8D
7D
7Q
6Q
6D
5D
5Q
Clock
CC
Taping Abbreviation
(Quantity)
EL (2,000 pcs/reel)
EL (1,000 pcs/reel)
REJ03D0483–0200
Feb.18.2005
Rev.2.00

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HD74LS374P Summary of contents

Page 1

... I/O ports, bidirectional bus drivers, and working registers. The eight flip-flops are edge-triggered D-type flip- flops. On the positive transition the clock, the Q outputs will be set to the logic states that ware setup at the D inputs. Features Ordering Information Part Name Package Type HD74LS374P DILP-20 pin HD74LS374FPEL SOP-20 pin (JEITA) HD74LS374RPEL SOP-20 pin (JEDEC) Note: Please consult the sales office for the above package availability ...

Page 2

HD74LS374 Function Table Output control Notes: H; high level, L; low level, X; irrelevant ; transition from low to high level Q ; level of Q before the indicated steady state input conditions were established 0 ...

Page 3

HD74LS374 Electrical Characteristics Item Symbol V Input voltage Output voltage V I OZH Output current I OZL I IH Input current Short-circuit output current I OS Supply current I CC Input clamp voltage V ...

Page 4

HD74LS374 Testing Method Test Circuit 4.5V Input P. 50Ω out Input P. 50Ω out Notes includes probe and jig capacitance All diodes are 1S2074(H). Rev.2.00, Feb.18.2005, page ...

Page 5

HD74LS374 Waveforms 1 t TLH 90% 1.3 V Data 10 Clock 1 Closed 1 2 Notes: 1. Input pulse; t TLH Clock input; PRR = 1 MHz, duty cycle 50% ...

Page 6

HD74LS374 Package Dimensions JEITA Package Code RENESAS Code P-DIP20-6.3x24.5-2.54 PRDP0020AC 0. JEITA Package Code RENESAS Code P-SOP20-5.5x12.6-1.27 PRSP0020DD Index mark Rev.2.00, Feb.18.2005, page Previous Code MASS[Typ.] ...

Page 7

HD74LS374 JEITA Package Code RENESAS Code P-SOP20-7.5x12.8-1.27 PRSP0020DC Index mark Rev.2.00, Feb.18.2005, page Previous Code MASS[Typ.] FP-20DBV 0.52g NOTE) 1. DIMENSIONS"*1 (Nom)"AND"*2" ...

Page 8

Keep safety first in your circuit designs! 1. Renesas Technology Corp. puts the maximum effort into making semiconductor products better and more reliable, but there is always the possibility that trouble may occur with them. Trouble with semiconductors may lead ...

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