參數(shù)資料
型號(hào): 935265472112
廠商: NXP SEMICONDUCTORS
元件分類: 鎖存器
英文描述: AHCT/VHCT SERIES, OCTAL LOW LEVEL TRIGGERED D LATCH, TRUE OUTPUT, PDSO16
封裝: 4.40 MM, PLASTIC, MO-153, SOT-403-1, TSSOP-16
文件頁(yè)數(shù): 15/20頁(yè)
文件大?。?/td> 95K
代理商: 935265472112
2000 Mar 14
4
Philips Semiconductors
Product specication
8-bit addressable latch
74AHC259;
74AHCT259
FUNCTION TABLE
See note 1.
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
OPERATING MODE
INPUTS
OUTPUTS
MR
LE
D
A0
A1
A2
Q0Q1Q2Q3Q4Q5Q6Q7
reset
L
H
XXXX
LLLLLLLL
demultiplexer
(active HIGH
8-channel)
decoder (when D = H)
LL
dLLL
Q = d
LLLLLLL
d
H
L
Q = d
LLLLLL
d
L
H
L
LL
Q = d
LLLLL
d
H
L
LLL
Q = d
LLLL
d
L
H
LLLL
Q = d
LLL
d
H
L
H
LLLLL
Q = d
L
d
L
H
LLLLLL
Q = d
L
d
H
LLLLLLL
Q = d
memory (do nothing)
H
XXXX
q0
q1
q2
q3
q4
q5
q6
q7
addressable latch
H
L
dLLL
Q = d
q1
q2
q3
q4
q5
q6
q7
dHL
L
q0
Q=d
q2
q3
q4
q5
q6
q7
d
LHL
q0
q1
Q=d
q3
q4
q5
q6
q7
dH
HL
q0
q1
q2
Q=d
q4
q5
q6
q7
dLL
H
q0
q1
q2
q3
Q=d
q5
q6
q7
dHLH
q0
q1
q2
q3
q4
Q=d
q6
q7
dL
H
q0
q1
q2
q3
q4
q5
Q=d
q7
HHHH
q0
q1
q2
q3
q4
q5
q6
Q=d
TYPE NUMBER
PACKAGES
TEMPERATURE
RANGE
PINS
PACKAGE
MATERIAL
CODE
74AHC259D
40 to +125 °C
16
SO
plastic
SOT109-1
74AHC259PW
16
TSSOP
plastic
SOT403-1
74AHCT259D
16
SO
plastic
SOT109-1
74AHCT259PW
16
TSSOP
plastic
SOT403-1
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