Micrel, Inc.
PECL AC ELECTRICAL CHARACTERISTICS
VCC = VCCO = +5.0V ± 5%; VEE = VGT = GND
TA = 0°C
TA = +25°C
TA = +85°C
Symbol
Parameter
Min. Typ. Max. Min. Typ. Max. Min. Typ. Max. Unit
tPLH
Propagation Delay(1),(2)
ps
tPHL
D to Q
500 — 900 500 — 900 500 — 900
SEL0 to Q
300 — 2000 300 — 2000 300 — 2000
SEL1 to Q
300 — 1750 300 — 1750 300 — 1750
SEL2 to Q
300 — 1500 300 — 1500 300 — 1500
tPZH
EN to Q(3)
(Cutoff to HIGH)
tPHZ
EN to Q(3)300
(HIGH to Cutoff)
300 — 1750 300 — 1750 300 — 1750 ps
— 1300 300 — 1300 300 — 1300
tr
Output Rise/Fall Times(2) 300 400 600 300 400 600 300 400 600 ps
tf
20% to 80%
Notes:
1. Part-to-part skew is defined as Max. – Min. value at the given temperature.
2. RL = 50Ω
3. Figures 1 and 2
SY100S863
Condition
TTL AC ELECTRICAL CHARACTERISTICS
VCC = VCCO = 5V ± 5%; VEE = VGT = GND
TA = 0°C
TA = +25°C
TA = +85°C
Symbol
tPLH
tPHL
tPZH
tPZL
tPHZ
tPLZ
tr
tf
Parameter
Propagation Delay(1)(2)
D to QTTL
SEL0 to QTTL
SEL1 to QTTL
SEL2 to QTTL
EN to TTL Output(2)
(Enable Time)
EN to TTL Output(2)
(Disable Time)
Output Rise/Fall Time(3)
0.8V to 2.4V
0.8Vto 2.0V
Min.
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
0.3
Typ. Max. Min.
— 5.0 2.5
— 5.0 2.5
— 5.0 2.5
— 5.0 2.5
— 5.0 2.5
— 5.0 2.5
— 5.0 2.5
— 5.0 2.5
— 1.6 0.3
Typ. Max. Min.
— 5.0 2.5
— 5.0 2.5
— 5.0 2.5
— 5.0 2.5
— 5.0 2.5
— 5.0 2.5
— 5.0 2.5
— 5.0 2.5
— 1.6 0.3
Typ. Max. Unit
ns
— 5.0
— 5.0
— 5.0
— 5.0
— 5.0 ns
— 5.0
— 5.0 ns
— 5.0
ns
— 1.6
Notes:
1. Part-to-part skew is defined as Max. – Min. value at the given temperature.
2. Figures 3 and 4
3. CL = 25pF
Condition
M9999-032406
hbwhelp@micrel.com or (408) 955-1690
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