74ALVCH16245DL View Datasheet(PDF) - Philips Electronics
Part Name
Description
Manufacturer
74ALVCH16245DL Datasheet PDF : 10 Pages
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Philips Semiconductors
16-bit bus transceiver with direction pin (3-State)
Product specification
74ALVC16245/
74ALVCH16245
AC CHARACTERISTICS FOR VCC = 3.0V TO 3.6V RANGE AND VCC = 2.7V
GND = 0V; tr = tf ≤ 2.5ns; CL = 50pF
LIMITS
SYMBOL
PARAMETER
WAVEFORM
VCC = 3.3 ± 0.3V
MIN TYP1, 2 MAX
VCC = 2.7V
MIN TYP1 MAX
tPHL/tPLH
Propagation delay
nAn to nBn; nBn to nAn
1, 3
1.0
1.9
3.0
1.0
2.1
3.6
tPZH/tPZL
3-State output enable time
nOE to nAn; nOE to nBn
2, 3
1.0
2.3
4.4
1.0
3.0
5.4
tPHZ/tPLZ
3-State output disable time
nOE to nAn; nOE to nBn
2, 3
1.0
2.8
4.1
1.0
3.1
4.6
NOTES:
1. All typical values are measured at Tamb = 25°C.
2. Typical value is measured at VCC = 3.3V
UNIT
ns
ns
ns
AC WAVEFORMS FOR VCC = 2.3V TO 2.7V AND
VCC < 2.3V RANGE
VM = 0.5 VCC
VX = VOL + 0.15V
VY = VOH –0.15V
VOL and VOH are the typical output voltage drop that occur with the
output load.
VI = VCC
AC WAVEFORMS FOR VCC = 3.0V TO 3.6V AND
VCC = 2.7V RANGE
VM = 1.5 V
VX = VOL + 0.3V
VY = VOH –0.3V
VOL and VOH are the typical output voltage drop that occur with the
output load.
VI = 2.7V
VI
An, Bn
INPUT
VM
GND
VOH
tPHL
tPLH
Bn, An
OUTPUT
VM
VOL
SW00063
Waveform 1. Input (nAn, nBn) to output (nBn, nAn)
propagation delay times
VI
OE INPUT
GND
VCC
OUTPUT
LOW-to-OFF
OFF-to-LOW
VOL
VOH
OUTPUT
HIGH-to-OFF
OFF-to-HIGH
GND
VM
tPLZ
tPZL
VM
VX
tPHZ
VY
tPZH
VM
outputs
enabled
outputs
disabled
outputs
enabled
SW00064
Waveform 2. 3-State enable and disable times
1998 Jun 29
6
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