CD74ACT374系列介绍资料

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CD74ACT374

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具有三态输出的八路 D 类触发器

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The RCA-CD54/74AC374 and CD54/74AC534 and the CD54/74ACT374 and CD54/74ACT534 octal D-type, 3-state, positive-edge triggered flip-flops use the RCA ADVANCED CMOS technology. The eight flip-flops enter data into their registers on the LOW-to-HIGH transition of the clock (CP). The Output Enable (OE) controls the 3-state outputs and is independent of the register operation. When the Output Enable (OE) is HIGH, the outputs are in the high-impendance state. The CD54/74AC/ACT374 and CD54/74AC/ACT534 share the same pin configurations, but the CD54/74AC/ACT374 outputs are non-inverted while the CD54/74AC/ACT534 devices have inverted outputs. (For flow-through pin configurations, see CD54/74AC/ACT564 and CD54/74AC/ACT574.)

The CD74AC/ACT374 and CD74AC/ACT534 are supplied in 20-lead dual-in-line plastic packages (E suffix) and in 20-lead dual-in-line small-outline plastic packages (M suffix). Both package types are operable over the following temperature range: Commerical (0 to 70°C); Industrial (-40 to +85°C); and Extended Industrial/Military (-55 to +125°C).

The CD54AC/ACT374 and CD54AC/ACT534, available in chip form (H suffix), are operable over the -55 to +125°C temperature range.

Buffered inputs
Typical propagation delay:
5 ns @ V_CC = 5 V, T_A = 25°C, C_L = 50 pF
Exceeds 2-kV ESD Protection - MIL-STD-883, Method 3015
SCR-Latch-up-resistant CMOS process and circuit design
Speed of bipolar FAST*/AS/S with significantly reduced power consumption
Balanced propagation delays
AC types feature 1.5-V to 5.5-V operation and balanced noise immunity at 30% of the supply
± 24-mA output drive current
-Fanout to 15 FAST* ICs
-Drives 50-ohm transmission lines
Characterized for operation from –40° to 85°C

*FAST is a Registered Trademark of Fairchild Semiconductor Corp.

Number of channels	8
Technology family	ACT
Supply voltage (min) (V)	4.5
Supply voltage (max) (V)	5.5
Input type	TTL-Compatible CMOS
Output type	3-State
Clock frequency (max) (MHz)	125
IOL (max) (mA)	24
IOH (max) (mA)	-24
Supply current (max) (µA)	80
Features	Balanced outputs, Positive input clamp diode, Very high speed (tpd 5-10ns)
Operating temperature range (°C)	-55 to 125
Rating	Catalog

PDIP (N)	20	228.702 mm² 24.33 x 9.4
SOIC (DW)	20	131.84 mm² 12.8 x 10.3

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CD74ACT374

具有三态输出的八路 D 类触发器

4000-306-326