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부품번호 | M74HC688 기능 |
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기능 | 8 BIT EQUALITY COMPARATOR | ||
제조업체 | ST Microelectronics | ||
로고 | |||
전체 9 페이지수
M74HC688
8 BIT EQUALITY COMPARATOR
s HIGH SPEED:
tPD = 17ns (TYP.) at VCC = 6V
s LOW POWER DISSIPATION:
ICC = 4µA(MAX.) at TA=25°C
s HIGH NOISE IMMUNITY:
)VNIH = VNIL = 28 % VCC (MIN.)
t(ss SYMMETRICAL OUTPUT IMPEDANCE:
c|IOH| = IOL = 4mA (MIN)
us BALANCED PROPAGATION DELAYS:
dtPLH ≅ tPHL
ros WIDE OPERATING VOLTAGE RANGE:
PVCC (OPR) = 2V to 6V
s PIN AND FUNCTION COMPATIBLE WITH
te74 SERIES 688
oleDESCRIPTION
bsThe M74HC688 is an high speed CMOS 8 BIT
EQUALITY COMPARATOR fabricated with silicon
Ogate C2MOS technology.
-The M74HC688 compares bit for bit two 8-bit
t(s)words applied on inputs P0 - P7 and inputs Q0 -
Q7 and indicates whether or not they are equal. A
DIP
SOP
TSSOP
ORDER CODES
PACKAGE
TUBE
DIP
SOP
TSSOP
M74HC688B1R
M74HC688M1R
T&R
M74HC688RM13TR
M74HC688TTR
single active low enable is provided to facilitate
cascading several packages to enable
comparison of words greater than 8 bits.
All inputs are equipped with protection circuits
against static discharge and transient excess
voltage.
Obsolete ProducPIN CONNECTION AND IEC LOGIC SYMBOLS
July 2001
1/9
M74HC688
DC SPECIFICATIONS
Test Condition
Value
Symbol
Parameter
VCC
(V)
TA = 25°C
-40 to 85°C -55 to 125°C Unit
Min. Typ. Max. Min. Max. Min. Max.
VIH High Level Input
Voltage
2.0
4.5
1.5 1.5 1.5
3.15
3.15
3.15
V
6.0 4.2 4.2 4.2
VIL Low Level Input
Voltage
2.0
4.5
0.5 0.5 0.5
1.35
1.35
1.35 V
6.0 1.8 1.8 1.8
)VOH High Level Output 2.0
IO=-20 µA
1.9 2.0
1.9
1.9
t(sVoltage
4.5 IO=-20 µA 4.4 4.5 4.4 4.4
c6.0 IO=-20 µA 5.9 6.0 5.9 5.9
V
u4.5
IO=-4.0 mA
4.18 4.31
4.13
4.10
d6.0
IO=-5.2 mA
5.68 5.8
5.63
5.60
roVOL Low Level Output
PVoltage
2.0
4.5
IO=20 µA
IO=20 µA
0.0 0.1 0.1 0.1
0.0 0.1 0.1 0.1
te6.0 IO=20 µA
0.0 0.1 0.1 0.1 V
le4.5 IO=4.0 mA
0.17 0.26
0.33
0.40
so6.0 IO=5.2 mA
0.18 0.26
0.33
0.40
bII Input Leakage
OCurrent
6.0 VI = VCC or GND
± 0.1
±1
± 1 µA
) -ICC
Quiescent Supply
Current
6.0 VI = VCC or GND
4 40 80 µA
ct(sAC ELECTRICAL CHARACTERISTICS (CL = 50 pF, Input tr = tf = 6ns)
duTest Condition
Value
ProSymbol
Parameter
VCC
(V)
letetTLH tTHL Output Transition
Time
bsotPLH tPHL Propagation Delay
O Time
2.0
4.5
6.0
2.0
4.5
TA = 25°C
-40 to 85°C -55 to 125°C Unit
Min.
Typ.
30
8
7
60
21
Max.
75
15
13
170
34
Min.
Max.
95
19
16
215
43
Min.
Max.
110
22
19
255
51
ns
ns
(Pn, Qn - P=Q)
6.0
17 29 37 43
tPLH tPHL Propagation Delay
Time
(G - P=Q)
2.0
4.5
6.0
40 110 140 165
13 22 28 33 ns
10 19 24 28
4/9
4페이지 M74HC688
SO-20 MECHANICAL DATA
DIM.
MIN.
mm.
TYP
MAX.
MIN.
inch
TYP.
MAX.
A 2.65 0.104
a1 0.1
0.2 0.004
0.008
a2 2.45 0.096
b 0.35
0.49 0.014
0.019
b1 0.23
0.32 0.009
0.012
t(s)C 0.5
0.020
c1 45° (typ.)
ucD 12.60
13.00
0.496
0.512
rodE 10.00
10.65
0.393
0.419
Pe 1.27
0.050
tee3 11.43
0.450
leF 7.40
7.60 0.291
0.300
soL 0.50
1.27 0.020
0.050
bM 0.75 0.029
Obsolete Product(s) - OS 8° (max.)
PO13L
7/9
7페이지 | |||
구 성 | 총 9 페이지수 | ||
다운로드 | [ M74HC688.PDF 데이터시트 ] |
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구매 문의 | 일반 IC 문의 : 샘플 및 소량 구매 ----------------------------------------------------------------------- IGBT, TR 모듈, SCR 및 다이오드 모듈을 포함한 광범위한 전력 반도체를 판매합니다. 전력 반도체 전문업체 상호 : 아이지 인터내셔날 사이트 방문 : [ 홈페이지 ] [ 블로그 1 ] [ 블로그 2 ] |
부품번호 | 상세설명 및 기능 | 제조사 |
M74HC688 | 8 BIT EQUALITY COMPARATOR | ST Microelectronics |
DataSheet.kr | 2020 | 연락처 | 링크모음 | 검색 | 사이트맵 |