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74LVC373A Datasheet(PDF) 7 Page - NXP Semiconductors

Part No. 74LVC373A
Description  Octal D-type transparent latch with 5-volt tolerant inputs/outputs 3-State
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Maker  PHILIPS [NXP Semiconductors]
Homepage  http://www.nxp.com
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74LVC373A Datasheet(HTML) 7 Page - NXP Semiconductors

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Philips Semiconductors
Product specification
74LVC373A
Octal D-type transparent latch with 5-volt
tolerant inputs/outputs (3-State)
1998 Jul 29
7
AC CHARACTERISTICS
GND = 0V; tr = tf v 2.5ns; CL = 50pF; RL = 500Ω; Tamb = –40°C to +85°C.
LIMITS
SYMBOL
PARAMETER
WAVEFORM
VCC = 3.3V ±0.3V
VCC = 2.7V
VCC = 1.2V
UNIT
MIN
TYP1
MAX
MIN
MAX
TYP
tPHL
tPLH
Propagation delay
Dn to Qn
1, 5
1.5
4.2
6.8
1.5
7.8
19
ns
tPHL
tPLH
Propagation delay
LE to Qn
2, 5
1.5
4.6
7.2
1.5
8.2
21
ns
tPZH
tPZL
3-State output enable time
OE to Qn
3, 5
1.5
4.8
7.7
1.5
8.7
22
ns
tPHZ
tPLZ
3-State output disable time
OE to Qn
3, 5
1.5
4.3
6.1
1.5
7.1
15
ns
tW
LE pulse width HIGH
2
3.0
1.5
3.0
ns
tSU
Setup time
Dn to LE
4
2.0
0
2.0
ns
th
Hold time
Dn to LE
4
1.5
0.3
1.5
ns
NOTE:
1. Unless otherwise stated, all typical values are at VCC = 3.3V and Tamb = 25°C.
AC WAVEFORMS
VM = 1.5V at VCC w 2.7V; VM = 0.5 VCC at VCC t 2.7V.
VOL and VOH are the typical output voltage drop that occur with the
output load.
VX = VOL + 0.3V at VCC w 2.7V; VX = VOL + 0.1 VCC at VCC t 2.7V
VY = VOH –0.3V at VCC w 2.7V; VY = VOH – 0.1 VCC at VCC t 2.7V
SY00041
INPUT
VM
tPHL
tPLH
VOL
VI
VM
GND
VOH
OUTPUT
Waveform 1. Input (Dn) to output (Qn) propagation delays.
tw
tPHL
tPLH
LE INPUT
Qn OUTPUT
VM
VM
SA00388
VI
GND
VOH
VOL
Waveform 2. Latch enable input (LE) pulse width, the latch
enable input to output (Qn) propagation delays
tPLZ
tPZL
VI
nOE INPUT
GND
VCC
Qn OUTPUT
LOW-to-OFF
OFF-to-LOW
VOL
VOH
Qn OUTPUT
HIGH-to-OFF
OFF-to-HIGH
GND
outputs
enabled
outputs
enabled
outputs
disabled
tPHZ
VM
VM
VM
tPZH
VX
VY
SW00207
Waveform 3. 3-State enable and disable times.


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