UT54ACS164245SEI View Datasheet(PDF) - Aeroflex Corporation
Part Name
Description
Manufacturer
UT54ACS164245SEI Datasheet PDF : 16 Pages
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AC ELECTRICAL CHARACTERISTICS*1 (Port B = 5 Volt, Port A = 3.3 Volt)
(VDD1 = 5V ±10%; VDD2 = 3.3V ± 0.3V) (Tc = -55°C to +125°C for "C" screening and -40°C to +125°C for "W" screening)
SYMBOL
PARAMETER
MIN
MAX
UNIT
UT54ACS164245SEI
tPLH
tPHL
tPZL
tPZH
tPLZ
tPHZ
tPZL2
tPZH2
tPLZ2
tPHZ2
tSKEW3
tDSKEW4
Propagation delay Data to Bus
Propagation delay Data to Bus
Output enable time OEx to Bus
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
Output enable time DIRx to Bus
Output disable time DIRx to Bus high impedance
Output disable time DIRx to Bus high impedance
Skew between outputs
Differential skew between outputs
3.5
11
ns
3.5
11
ns
2.5
16
ns
2.5
16
ns
2.5
16
ns
2.5
16
ns
1
18
ns
1
18
ns
1
20
ns
1
20
ns
-
600
ps
-
1.5
ns
Notes:
* For devices procured with a total ionizing dose tolerance guarantee, the post-irradiation performance is guaranteed at 25oC per MIL-STD-883 Method 1019, Condition
A up to the maximum TID level procured.
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
3. Output skew is defined as a comparison of any two output transitions of the same type at the saame temperature and voltage for the same port within the same byte:
1A1 through 1A8 are compared high-to-low versus high-to-low and low-to-high versus low-to-high; similarly 1B1 through 1B8 are compared, 2A1 through 2A8 are
compared, and 2B1 through 2B8 are compared.
4. Differential output skew is defined as a comparison of any two output transitions of opposite types on the same type at the same temperature and voltage for the same
port within the same byte: 1A1 through 1A8 are compared high-to-low versus low-to-high; similarly 1B1 through 1B8 are compared, 2A1 through 2A8 are compared,
and 2B1 through 2B8 are compared.
.
8
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