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Numéro de référence | HD74HC595 | ||
Description | 8-bit Shift Register/Latch | ||
Fabricant | Renesas | ||
Logo | |||
1 Page
HD74HC595
8-bit Shift Register/Latch (with 3-state outputs)
REJ03D0634-0200
(Previous ADE-205-514)
Rev.2.00
Mar 30, 2006
Description
This device each contains an 8-bit serial-in, parallel-out shift register that feeds an 8-bit D-type storage register. The
storage register has parallel 3-state outputs. Separate clocks are provided for both the shift register and the storage
register. The shift register has a direct-overriding clear, serial input, and serial output pins for cascading.
Both the shift register and storage register clocks are positive-edge triggered. If the user wishes to connect both clocks
together, the shift register state will always be one clock pulse ahead of the storage register.
Features
• High Speed Operation: tpd (RCK to Q) = 17 ns typ (CL = 50 pF)
• High Output Current: Fanout of 15 LSTTL Loads (QA to QH outputs)
• Wide Operating Voltage: VCC = 2 to 6 V
• Low Input Current: 1 µA max
• Low Quiescent Supply Current: ICC (static) = 4 µA max (Ta = 25°C)
• Ordering Information
Part Name
Package Type
Package Code
(Previous Code)
Package
Abbreviation
HD74HC595P
DILP-16 pin
PRDP0016AE-B
(DP-16FV)
P
HD74HC595FPEL SOP-16 pin (JEITA)
PRSP0016DH-B
(FP-16DAV)
FP
Note: Please consult the sales office for the above package availability.
Taping Abbreviation
(Quantity)
—
EL (2,000 pcs/reel)
Function Table
RCK
X
X
X
SCK
X
X
X
Inputs
SCLR
X
L
H
H
G Function
H QA to QH high impedance
X Shift register cleared QH’ = L
X Shift register clocked Qn = Qn – 1, QA = SER
X Contents of shift register transferred to output latches
Rev.2.00 Mar 30, 2006 page 1 of 10
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Pages | Pages 11 | ||
Télécharger | [ HD74HC595 ] |
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