HD74BC373A 查看數據表（PDF） - Renesas Electronics
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HD74BC373A Datasheet PDF : 9 Pages
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HD74BC373A
Octal D Type Transparent Latches With 3 State Outputs
REJ03D0283–0300Z
(Previous ADE-205-009A (Z))
Rev.3.00
Jul.16.2004
Description
The HD74BC373A provides high drivability and operation equal to or better than high speed bipolar standard logic IC
by using Bi-CMOS process. The device features low power dissipation that is about 1/5 of high speed bipolar logic IC,
when the frequency is 10 MHz. The device has eight D type latches with three state outputs in a 20 pin package. When
the latch enable input is high, the Q outputs will follow the D inputs. When the latch enable goes low, data at the D
inputs will be retained at the outputs until latch enable returns high again. When a high logic level is applied to the
output control input, all outputs go to a high impedance state, regardless of what signals are present at the other inputs
and the state of the storage elements.
Features
• Input/Output are at high impedance state when power supply is off.
• Built in input pull up circuit can make input pins be open, when not used.
• TTL level input
• Wide operating temperature range input pins
Ta = –40 to + 85°C
• Ordering Information
Part Name
Package Type
Package Code
Package
Abbreviation
HD74BC373AFPEL
SOP-20 pin (JEITA) FP-20DAV
FP
HD74BC373ATELL
TSSOP-20 pin
TTP-20DAV
T
Note: Please consults the sales office for the above package availability.
Taping Abbreviation
(Quantity)
EL (2,000 pcs/reel)
ELL (2,000 pcs/reel)
Function Table
Inputs
G
LE
D
H
X
X
L
H
L
L
H
H
L
L
X
H : High level
L : Low level
X : Immaterial
Z : High impedance
Z
L
H
No change
Output Q
Rev.3.00, Jul.16.2004, page 1 of 8
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