參數(shù)資料
型號(hào): 935263998118
廠商: NXP SEMICONDUCTORS
元件分類: 編、解碼器及復(fù)用、解復(fù)用
英文描述: AHC SERIES, QUAD 2 LINE TO 1 LINE MULTIPLEXER, TRUE OUTPUT, PDSO16
封裝: 3.90 MM, PLASTIC, MS-012AC, SOT-109-1, SO-16
文件頁數(shù): 2/16頁
文件大?。?/td> 84K
代理商: 935263998118
1999 Sep 24
10
Philips Semiconductors
Product specication
Quad 2-input multiplexer
74AHC157;
74AHCT157
Type 74AHCT157
GND = 0 V; tr =tf ≤ 3.0 ns.
Note
1. Typical values at VCC = 5.0 V.
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 7 and 8 15 pF
3.2
6.4
1.0
7.5
1.0
8.0
ns
propagation delay
StonY
3.7
8.6
1.0
10.0
1.0
11.0
ns
propagation delay
EtonY
see Figs 6 and 8
4.7
8.1
1.0
9.5
1.0
10.5
ns
propagation delay
nI0 to nY; nI1 to nY
see Figs 7 and 8 50 pF
4.6
8.7
1.0
9.8
1.0
11.0
ns
propagation delay
StonY
5.2
10.4
1.0
12.0
1.0
13.0
ns
propagation delay
EtonY
see Figs 6 and 8
6.7
10.6
1.0
12.0
1.0
13.5
ns
AC WAVEFORMS
Fig.6
The enable input (E) to output (nY)
propagation delays.
FAMILY
VI INPUT
REQUIREMENTS
VM(1)
INPUT
VM(1)
OUTPUT
AHC
GND to VCC
50% VCC 50% VCC
AHCT
GND to 3.0 V
1.5 V
50% VCC
handbook, halfpage
MNA485
tPHL
tPLH
VM
(1)
VM
(1)
E INPUT
nY OUTPUT
GND
VCC
VOH
VOL
Fig.7
The data inputs (nI0,nI1) and common data
select input (S) to output (nY) propagation
delays.
FAMILY
VI INPUT
REQUIREMENTS
VM(1)
INPUT
VM(1)
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
(1)
VM
(1)
nI0, nI1, S
INPUT
nY OUTPUT
GND
VI
VOH
VOL
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