Details, datasheet, quote on part number: I74F74N
PartI74F74N
CategoryLogic => Flip-Flops
Description74F74; Dual D-type Flip-flop;; Package: SOT27-1 (DIP14)
CompanyPhilips Semiconductors (Acquired by NXP)
DatasheetDownload I74F74N datasheet
Cross ref.Similar parts: 74F74PC
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Features, Applications

Product specification Supercedes data of 1990 Oct 23 IC15 Data Handbook 1996 Mar 12
FEATURE
DESCRIPTION

The is a dual positive edge-triggered D-type flip-flop featuring individual data, clock, set, and reset inputs; also true and complementary outputs. Set (SD) and reset (RD) are asynchronous active low inputs and operate independently of the clock input. When set and reset are inactive (high), data at the D input is transferred to the Q and Q outputs on the low-to-high transition of the clock. Data must be stable just one setup time prior to the low-to-high transition of the clock for predictable operation. Clock triggering occurs at a voltage level and is not directly related to the transition time of the positive-going pulse. Following the hold time interval, data at the D input may be changed without affecting the levels of the output. TYPE 74F74 TYPICAL fmax 125MHz

ORDER CODE DESCRIPTION COMMERCIAL RANGE VCC 5V 10%, Tamb N74F74N N74F74D INDUSTRIAL RANGE VCC 5V 10%, Tamb I74F74N I74F74D PKG. DWG. #

PINS RD0, RD1 Data inputs Clock inputs (active rising edge) Set inputs (active low) Reset inputs (active low) DESCRIPTION 74F (U.L.) HIGH/LOW LOAD VALUE HIGH/LOW 20A/1.8mA 1.0mA/20mA

Q0, Q1 Data outputs 50/33 NOTE: One (1.0) FAST unit load is defined as: 20A in the high state and 0.6mA in the low state.

INPUTS OUTPUTS CP X OPERATING MODE Asynchronous set Asynchronous reset Undetermined* Load "1" Load "0" Hold

NOTES: H = High voltage level h = High voltage level one setup time prior to low-to-high clock transition L = Low voltage level l = Low voltage level one setup time prior to low-to-high clock transition NC= No change from the previous setup X = Don't care = Low-to-high clock transition = Not low-to-high clock transition * = This setup is unstable and will change when either set or reset return to the high level.

(Operation beyond the limit set forth in this table may impair the useful life of the device. Unless otherwise noted these limits are over the operating free air temperature range.) SYMBOL VCC VIN IIN VOUT IOUT Tamb Tstg Supply voltage Input voltage Input current Voltage applied to output in high output state Current applied to output in low output state Commercial range Operating free air temperature range Storage temperature range Industrial range PARAMETER RATING 0.5 to VCC to +150 UNIT mA C

LIMITS SYMBOL VCC VIH VIL IIk IOH IOL Tamb b Supply voltage High-level input voltage Low-level input voltage Input clamp current High-level output current Low-level output current Operating O erating free air tem temperature erature range Commercial range Industrial range 0 40 PARAMETER MIN NOM 5.0 MAX 5.5 UNIT mA C


 

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