74ALVCH16952 查看數據表（PDF） - Philips Electronics
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74ALVCH16952 Datasheet PDF : 12 Pages
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Philips Semiconductors
16-bit registered transceiver (3-State)
Preliminary specification
74ALVCH16952
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
nCPAB to nBn, nCPBA to nAn
3
tPZH/tPZL
3-State output enable time
nOE to nAn, nBn
4
tPHZ/tPLZ
3-State output disable time
nOE to nAn, nBn
4
tW
Pulse width HIGH or LOW
nCPAB, nCPBA
3
Set up time
tSU
An or Bn before CPAB
Set up time
CEAB or CEBA before CPAB
3
3
Hold time
th
An or Bn after CPAB
Hold time
An or Bn after CPAB
3
3
Fmax
Maximum clock pulse frequency
3
NOTE:
1. All typical values are at VCC = 2.5V and Tamb = 25°C.
LIMITS
VCC = 2.5V ± 0.2V
MIN
TYP
MAX
1.0
4.1
1.0
5.4
1.0
5.3
3.3
1.7
1.2
0.6
1.1
150
UNIT
ns
ns
ns
ns
ns
ns
MHz
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 = 3.3V ± 0.3V
MIN TYP1, 2 MAX
VCC = 2.7V
MIN TYP1 MAX
tPHL/tPLH
tPZH/tPZL
Propagation delay
nCPAB to nBn, nCPBA to nAn
3-State output enable time
nOE to nAn, nBn
1, 4
1.0
2, 4
1.0
3.9
1.0
4.6
4.4
1.0
5.3
tPHZ/tPLZ
3-State output disable time
nOE to nAn, nBn
2, 4
1.1
4
1.4
4.4
tW
Pulse width HIGH or LOW
nCPAB, nCPBA
3, 4
3.3
3.3
Set up time
tSU
An or Bn before CPAB
Set up time
CEAB or CEBA before CPAB
3, 4
1.5
3, 4
1
1.9
1
Hold time
th
An or Bn after CPAB
Hold time
An or Bn after CPAB
3, 4
0.8
3, 4
1.1
0.6
0.9
Fmax
Maximum clock pulse frequency
1, 4
150
150
NOTES:
1. All typical values are at Tamb = 25°C.
2. VCC = 3.3V
UNIT
ns
ns
ns
ns
ns
ns
MHz
1998 Sep 01
8
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