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74LV157PWDH View Datasheet(PDF) - Philips Electronics

Part Name
Description
Manufacturer
74LV157PWDH
Philips
Philips Electronics Philips
74LV157PWDH Datasheet PDF : 12 Pages
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Philips Semiconductors
Quad 2-input multiplexer
Product specification
74LV157
AC CHARACTERISTICS
GND = 0V; tr = tf = 2.5ns; CL = 50pF; RL = K
SYMBOL
PARAMETER
WAVEFORM
CONDITION
tPHL/tPLH
Propagation delay
nl0 to nY;
nl1 to nY
Figures 1, 2
VCC(V)
1.2
2.0
2.7
3.0 to 3.6
1.2
tPHL/tPLH
Propagation delay
E to nY
Figures 1, 2
2.0
2.7
3.0 to 3.6
1.2
tPHL/tPLH
Propagation delay
S to nY
Figures 1, 2
2.0
2.7
3.0 to 3.6
NOTES:
1. Unless otherwise stated, all typical values are measured at Tamb = 25°C
2. Typical values are measured at VCC = 3.3 V.
LIMITS
–40 to +85 °C
MIN TYP1 MAX
65
22
43
16
31
122
25
70
24
44
18
33
132
26
75
26
49
19
36
142
29
–40 to +125 °C
MIN MAX
51
38
30
54
40
32
60
44
35
UNIT
ns
ns
ns
AC WAVEFORMS
VM = 1.5 V at VCC 2.7 V;
VM = 0.5 V × VCC at VCC < 2.7 V.
VOL and VOH are the typical output voltage drop that occur with the
output load.
V CC
E INPUT
GND
V OH
tPHL
nY OUTPUT
V OL
VM
VM
tPLH
SV00567
Figure 1. Enable input (E) to output (nY)
propagation delays and output transition times.
V CC
nI 0 , nI1 , S
INPUT
GND
V OH
t PHL
nY OUTPUT
V OL
VM
VM
tPLH
SV00568
TEST CIRCUIT
VCC
PULSE
GENERATOR
VI
RT
D.U.T.
VO
50pF
CL
RL = 1k
Test Circuit for switching times
DEFINITIONS
RL = Load resistor
CL = Load capacitance includes jig and probe capacitance
RT = Termination resistance should be equal to ZOUT of pulse generators.
TEST
tPLH/tPHL
VCC
< 2.7V
2.7–3.6V
VI
VCC
2.7V
SV00901
Figure 3. Load circuitry for switching times.
Figure 2. Data inputs (nln) and common data select input (S) to
output (nY) propagation delays.
1998 Apr 30
6
 

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