74ALVCH16841DL View Datasheet(PDF) - Philips Electronics
Part Name
Description
Manufacturer
74ALVCH16841DL Datasheet PDF : 10 Pages
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Philips Semiconductors
20-bit bus interface D-type latch (3-State)
Product specification
74ALVCH16841
AC CHARACTERISTICS FOR VCC = 2.3V TO 2.7V RANGE
GND = 0V; tr = tf ≤ 2.0ns; CL = 30pF
SYMBOL
PARAMETER
WAVEFORM
tPLH/tPHL
Propagation delay
nDn to nQn
1, 5
tPLH/tPHL
Propagation delay
nLE to nQn
2, 5
tPZH/tPZL
3-State output enable time
nOEn to nQn
4, 5
tPHZ/tPLZ
3-State output disable time
nOEn to nQn
4, 5
tW
nLE pulse width HIGH
2, 5
tSU
Set up time nDn to nLE
3, 5
Th
Hold time nDn to nLE
3, 5
NOTE:
1. All typical values are at VCC = 3.3V and Tamb = 25°C.
LIMITS
VCC = 2.3 to 2.7V
MIN
TYP1
MAX
1.0
2.5
5.0
1.0
2.5
5.6
1.0
2.7
6.2
1.1
2.2
5.3
3.3
1.5
–
1.3
0.1
–
1.4
0.3
–
UNIT
ns
ns
ns
ns
ns
ns
ns
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
tPLH/tPHL
Propagation delay
nDn to nQn
tPLH/tPHL
Propagation delay
nLE to nQn
tPZH/tPZL
3-State output enable time
nOEn to nQn
tPHZ/tPLZ
3-State output disable time
nOEn to nQn
tW
nLE pulse width HIGH
tSU
Set up time nDn to nLE
th
Hold time nDn to nLE
NOTES:
1. All typical values are measured Tamb = 25°C.
2. Typical value is measured at VCC = 3.3V
1, 5
1.0
2.4
3.9
2, 5
1.0
2.4
4.3
4, 5
1.0
2.3
4.9
4, 5
1.3
2.9
4.1
2, 5
3.3
1.5
–
3, 5
1.0
0.6
–
3, 5
1.4
0.2
–
LIMITS
VCC = 2.7V
MIN
TYP1 MAX
1.0
2.6
4.7
UNIT
ns
1.0
2.6
5.1
ns
1.0
3.1
6.0
ns
1.3
3.1
4.3
ns
3.3
1.5
1.1
0.1
1.7
0.2
–
ns
–
ns
–
ns
1998 Jul 27
6
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