AC ELECTRICAL CHARACTERISTICS1 (Port A = Port B, 3.3 Volt Operation)
(VDD1 = 3.00V to 3.6V; VDD2 = 3.00V to 3.6V, -55°C < TC < +125°C)
SYMBOL
tPLH
PARAMETER
Propagation delay Data to Bus
MINIMUM
MAXIMUM
UNIT
ns
1
1
20
20
tPHL
Propagation delay Data to Bus
ns
tPZL
tPZH
tPLZ
tPHZ
Output enable time OEx to Bus
1
1
1
1
1
18
18
20
20
18
ns
ns
ns
ns
ns
Output enable time OEx to Bus
Output disable time OEx to Bus high impedance
Output disable time OEx to Bus high impedance
Output enable time DIRx to Bus
2
tPZL
2
Output enable time DIRx to Bus
1
1
1
18
20
20
ns
ns
ns
tPZH
2
Output disable time DIRx to Bus high impedance
Output disable time DIRx to Bus high impedance
tPLZ
2
tPHZ
Notes:
1. All specifications valid for radiation dose £ 1E5 rad(Si) per MIL-STD-883, Method 1019.
2. DIRx to bus times are guaranteed by design, but not tested. OEx to bus times are tested.
Propagation Delay
VDD
VDD/2
0V
Input
tPLH
tPHL
VOH
VDD/2
Output
VOL
Enable Disable Times
VDD
VDD/2
0V
Control Input
tPZL
tPLZ
VDD/2
3.3V Output
VDD/2-0.2
VDD/2+0.2
.2VDD + .2V
tPHZ
.2VDD
Normally Low
3.3V Output
Normally High
tPZH
.7VDD
VDD/2
.7VDD - .2V
10
AEROFLEX [ AEROFLEX CIRCUIT TECHNOLOGY ]
