Datasheet > 74HC688U

74HC688U

更新时间： 2023-06-15 00:00:00

品牌	Logo	应用领域
恩智浦 - NXP		输出元件
页数	文件大小	规格书
7页	48K
描述
IC HC/UH SERIES, 8-BIT IDENTITY COMPARATOR, INVERTED OUTPUT, UUC, CHIP ON WAFER, Arithmetic Circuit

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74HC688U 数据手册

Philips Semiconductors

Product speciﬁcation

8-bit magnitude comparator

74HC/HCT688

DC CHARACTERISTICS FOR 74HCT

For the DC characteristics see “74HC/HCT/HCU/HCMOS Logic Family Specifications”.

Output capability: standard

I_CCcategory: MSI

Note to HCT types

The value of additional quiescent supply current (∆I_CC) for a unit load of 1 is given in the family specifications.

To determine ∆I_CCper input, multiply this value by the unit load coefficient shown in the table below.

INPUT

UNIT LOAD COEFFICIENT

P_n

Q_n

0.35

0.70

AC CHARACTERISTICS FOR 74HCT

GND = 0 V; t_r= t_f= 6 ns; C_L= 50 pF

T_amb(°C)

TEST CONDITIONS

74HCT

SYMBOL PARAMETER

UNIT

V_CC

+25

−40 to +85 −40 to +125

WAVEFORMS

(V)

min. typ. max. min. max. min. max.

t_PHL/ t_PLHpropagation delay

P_n, Q_nto P = Q

4.5 Fig.6

t_PHL/ t_PLHpropagation delay

E to P = Q

4.5 Fig.7

_THL/ t_TLHoutput transition time

4.5 Figs 6 and 7

December 1990

1...3 4 567

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