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74LV126PWDH View Datasheet(PDF) - Philips Electronics

Part Name
Description
Manufacturer
74LV126PWDH
Philips
Philips Electronics Philips
74LV126PWDH Datasheet PDF : 12 Pages
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Philips Semiconductors
Quad buffer/line driver (3-State)
Product specification
74LV126
AC WAVEFORMS
VM = 1.5 V at VCC 2.7 V and 3.6 V;
VM = 0.5 × VCC at VCC < 2.7 V and 4.5 V;
VOL and VOH are the typical output voltage drop that occur with the
output load.
VX = VOL + 0.3 V at VCC 2.7 V and 3.6 V;
VX = VOL + 0.1 × VCC at VCC < 2.7 V and 4.5 V.
VY = VOH – 0.3 V at VCC 2.7 V and 3.6 V;
VY = VOH – 0.1 × VCC at VCC < 2.7 V and 4.5 V.
VI
nA INPUT
VM
GND
VOH
t
PHL
t
PLH
nY OUTPUT
VM
VOL
SV00487
Figure 1. Input (nA, nB) to output (nY) propagation delays
VI
nOE INPUT
GND
VCC
OUTPUT
LOW-to-OFF
OFF-to-LOW
VOL
VOH
OUTPUT
HIGH-to-OFF
OFF-to-HIGH
GND
V
M
t PLZ
VX
t
PHZ
VY
outputs
enabled
t PZL
VM
t PZH
outputs
disabled
VM
outputs
enabled
SV00488
Figure 2. 3-state enable and disable times.
TEST CIRCUIT
PULSE
GENERATOR
VI
RT
VCC
D.U.T.
VO
CL 50 pF
2 * VCC
Open
GND
RL = 1k
RL = 1k
Test Circuit for Outputs
DEFINITIONS
RL = Load resistor
CL = Load capacitance includes jig and probe capacitiance.
RT = Termination resistance should be equal to ZOUT of pulse generators.
SWITCH POSITION
TEST
S1
VCC
VI
tPLH/tPHL
Open
< 2.7V
VCC
tPLZ/tPZL
tPHZ/tPZH
2 * VCC
GND
2.7–3.6V
w 4.5V
2.7V
VCC
SV00896
Figure 3. Load circuitry for switching times.
1998 Apr 28
6
 

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