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부품번호 | 74AHC259PW 기능 |
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기능 | 8-bit addressable latch | ||
제조업체 | NXP Semiconductors | ||
로고 | |||
전체 20 페이지수
INTEGRATED CIRCUITS
DATA SHEET
74AHC259; 74AHCT259
8-bit addressable latch
Product specification
File under Integrated Circuits, IC06
2000 Mar 14
Philips Semiconductors
8-bit addressable latch
Product specification
74AHC259;
74AHCT259
FUNCTION TABLE
See note 1.
INPUTS
OUTPUTS
OPERATING MODE
MR LE D A0 A1 A2 Q0 Q1 Q2 Q3 Q4 Q5 Q6 Q7
reset
LHXXXX L L L L L L L L
d L L L Q=d L L L L L L L
d H L L L Q=d L L L L L L
demultiplexer
d LHL
(active HIGH
8-channel)
d HH L
LL
d L LH
decoder (when D = H)
dHLH
L
L
L
L
L Q=d L L L L
L L Q=d L L L
L L L Q=d L L
L L L L Q=d L
L
L
L
L
d L H H L L L L L L Q=d L
d H H H L L L L L L L Q=d
memory (do nothing) H H X X X X q0 q1 q2 q3 q4 q5 q6 q7
d L L L Q = d q1 q2 q3 q4 q5 q6 q7
d H L L q0 Q = d q2 q3 q4 q5 q6 q7
d L H L q0 q1 Q = d q3 q4 q5 q6 q7
addressable latch
d HH L
HL
q0
q1
q2 Q = d q4
q5
q6
q7
d L L H q0 q1 q2 q3 Q = d q5 q6 q7
d H L H q0 q1 q2 q3 q4 Q = d q6 q7
d L H H q0 q1 q2 q3 q4 q5 Q = d q7
H H H H q0 q1 q2 q3 q4 q5 q6 Q = d
Note
1. H = HIGH voltage level;
L = LOW voltage level;
X = don’t care;
d = HIGH or LOW data one set-up time prior to the LOW-to-HIGH LE transition;
q = lower case letters indicate the state of the referenced output established during the last cycle in which it was
addressed or cleared.
ORDERING INFORMATION
TYPE NUMBER
74AHC259D
74AHC259PW
74AHCT259D
74AHCT259PW
TEMPERATURE
RANGE
−40 to +125 °C
PINS
16
16
16
16
PACKAGES
PACKAGE
SO
TSSOP
SO
TSSOP
MATERIAL
plastic
plastic
plastic
plastic
CODE
SOT109-1
SOT403-1
SOT109-1
SOT403-1
2000 Mar 14
4
4페이지 Philips Semiconductors
8-bit addressable latch
Product specification
74AHC259;
74AHCT259
RECOMMENDED OPERATING CONDITIONS
SYMBOL
PARAMETER
VCC
VI
VO
Tamb
DC supply voltage
input voltage
output voltage
operating ambient temperature
tr, tf input rise and fall ratios (∆t/∆f)
CONDITIONS
see DC and AC
characteristics
per device
VCC = 3.3 ±0.3 V
VCC = 5 ±0.5 V
74AHC
74AHCT
UNIT
MIN. TYP. MAX. MIN. TYP. MAX.
2.0 5.0 5.5 4.5 5.0 5.5 V
0 − 5.5 0 − 5.5 V
0 − VCC 0 − VCC V
−40 +25 +85 −40 +25 +85 °C
−40 +25 +125 −40 +25 +125 °C
− − 100 − − − ns/V
− − 20 − − 20 ns/V
LIMITING VALUES
In accordance with the Absolute Maximum Rating System (IEC 60134); voltages are referenced to GND (ground = 0 V).
SYMBOL
PARAMETER
CONDITIONS
VCC DC supply voltage
VI input voltage
IIK DC input diode current
VI < −0.5 V; note 1
IOK DC output clamping diode current VO < −0.5 V or VO > VCC + 0.5 V; note 1
IO DC output sink current
−0.5 V < VO < VCC + 0.5 V
ICC DC VCC or GND current
Tstg storage temperature
PD power dissipation per package for temperature range: −40 to +125 °C; note 2
MIN. MAX. UNIT
−0.5 +7.0 V
−0.5 +7.0 V
− −20 mA
− ±20 mA
− ±25 mA
− ±75 mA
−65 +150 °C
− 500 mW
Notes
1. The input and output voltage ratings may be exceeded if the input and output current ratings are observed.
2. For SO packages: above 70 °C the value of PD derates linearly with 8 mW/K.
For TSSOP packages: above 60 °C the value of PD derates linearly with 5.5 mW/K.
2000 Mar 14
7
7페이지 | |||
구 성 | 총 20 페이지수 | ||
다운로드 | [ 74AHC259PW.PDF 데이터시트 ] |
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부품번호 | 상세설명 및 기능 | 제조사 |
74AHC259PW | 8-bit addressable latch | NXP Semiconductors |
DataSheet.kr | 2020 | 연락처 | 링크모음 | 검색 | 사이트맵 |