參數(shù)資料
型號(hào)： 935265470118
廠商： NXP SEMICONDUCTORS
元件分類： 編、解碼器及復(fù)用、解復(fù)用
英文描述： AHCT/VHCT SERIES, QUAD 2 LINE TO 1 LINE MULTIPLEXER, TRUE OUTPUT, PDSO16
封裝： 4.40 MM, PLASTIC, MO-153, SOT-403-1, TSSOP-16
文件頁(yè)數(shù)： 2/20頁(yè)
文件大?。?/td> 89K
代理商： 935265470118
2000 Apr 03
10
Philips Semiconductors
Product specication
Quad 2-input multiplexer; 3-state
74AHC257;
74AHCT257
Type 74AHCT257
GND = 0 V; tr =tf ≤ 3.0 ns.
Note
1. Typical values at VCC = 5.0 V.
AC WAVEFORMS
SYMBOL
PARAMETER
TEST CONDITIONS
Tamb (°C)
UNIT
WAVEFORMS
CL
25
40 to +85
40 to +125
MIN.
TYP.
MAX.
MIN.
MAX.
MIN.
MAX.
VCC = 4.5 to 5.5 V; note 1
tPHL/tPLH
propagation delay
nI0 to nY; nI1 to nY
see Figs 6
and 8
15 pF
3.7
6.5
1.0
8.0
1.0
9.0
ns
propagation delay
StonY
5.1
9.0
1.0
10.5
1.0
11.5
ns
tPZH/tPZL
3-state output enable
time OE to nY
see Figs 7
and 8
3.9
8.0
1.0
9.0
1.0
10.0
ns
tPHZ/tPLZ
3-state output disable
time OE to nY
4.5
7.5
1.0
8.0
1.0
8.5
ns
tPHL/tPLH
propagation delay
nI0 to nY; nI1 to nY
see Figs 6
and 8
50 pF
4.9
8.5
1.0
10.0
1.0
11.0
ns
propagation delay
StonY
6.4
10.5
1.0
12.5
1.0
13.5
ns
tPZH/tPZL
3-state output enable
time OE to nY
see Figs 7
and 8
5.1
10.0
1.0
11.0
1.0
12.0
ns
tPHZ/tPLZ
3-state output disable
time OE to nY
6.5
9.5
1.0
10.5
1.0
11.5
ns
FAMILY
VI INPUT
REQUIREMENTS
VM(1)
INPUT
VM(2)
OUTPUT
AHC
GND to VCC
50% VCC 50% VCC
AHCT
GND to 3.0 V
1.5 V
50% VCC
handbook, halfpage
MNA486
tPHL
tPLH
VM
(2)
VM
(1)
nI0, nI1, S
input
nY output
GND
VI
VOH
VOL
Fig.6 The data inputs (1I0, 1I1) and common data select input (S) to output (nY) propagation delays.
相關(guān)PDF資料
PDF描述
08-65-0108 PHOSPHOR BRONZE, WIRE TERMINAL
935265467112 AHC SERIES, QUAD 2 LINE TO 1 LINE MULTIPLEXER, TRUE OUTPUT, PDSO16
08-65-0109 BRASS, GOLD FINISH, WIRE TERMINAL
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