SY89429A(1998) 查看數據表（PDF） - Micrel
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SY89429A Datasheet PDF : 9 Pages
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Micrel
ClockWorks™
SY89429A
100H ECL DC ELECTRICAL CHARACTERISTICS
VCC1 = VCC_QUIET = VCC_TTL = +5.0V ±5%; VCC_OUT = +3.3V to +5.0V ±5%; TA = 0°C to +75°C
Symbol
VOH
VOL
Parameter
Output HIGH Voltage
Output LOW Voltage
Min.
VCC_OUT –1.075
VCC_OUT –1.860
Max.
VCC_OUT –0.830
VCC_OUT –1.570
Unit
V
V
Condition
50Ω to VCC_OUT –2V
50Ω to VCC_OUT –2V
TTL DC ELECTRICAL CHARACTERISTICS
VCC1 = VCC_QUIET = VCC_TTL = +5.0V ±5%; VCC_OUT = +3.3V to +5.0V ±5%; TA = 0°C to +75°C
TA = 0°C
TA = +25°C
TA = +75°C
Symbol
Parameter
Min. Max. Min. Max. Min. Max. Unit
VIH
Input HIGH Voltage
2.0
—
2.0
—
2.0
—
V
VIL
Input LOW Voltage
—
0.8
—
0.8
—
0.8
V
IIH
Input HIGH Current
—
50
—
50
—
50
µA
IIL
Input LOW Current
— –0.6 — –0.6 — –0.6 mA
VIK
Input Clamp Voltage
—
–1.2 —
–1.2 —
–1.2
V
VOH
Output HIGH Voltage
—
2.5
—
2.5
—
2.5
V
VOL
Output LOW Voltage
—
0.5
—
0.5
—
0.5
V
IOS
Output Short Circuit Current
–80 (Typ.)
–80 (Typ.)
–80 (Typ.)
mA
ICC1
Supply Current
—
225
—
225
—
225 mA
Typical % of ICC1
VCC1
VCC_OUT
VCC_QUIET
VCC_TTL
91%
4.5%
2.25%
2.25%
91%
4.5%
2.25%
2.25%
91%
4.5%
2.25%
2.25%
Condition
—
—
VIN = 2.7V
VIN = 0.5V
IIN = –12mA
IOH = –2.0mA
IOL = 8mA
VOUT = 0V
—
AC ELECTRICAL CHARACTERISTICS
VCC1 = VCC_QUIET = VCC_TTL = +5.0V ±5%; VCC_OUT = +3.3V to +5.0V ±5%; TA = 0°C to +75°C
Symbol
Parameter
TA = 0°C TA = +25°C TA = +75°C
Min. Max. Min. Max. Min. Max. Unit
Condition
fMAXI
Maximum Input Frequency(1)
S_CLOCK — 10 — 10 — 10 MHz
Xtal Oscillator 10 25 10 25 10 25
Fundamental
Cyrstal
fMAXO
Maximum Output Frequency VCO (Internal) 400 800 400 800 400 800 MHz
FOUT 25 400 25 400 25 400
tLOCK
Maximum PLL Lock Time
— 10 — 10 — 10 ms
tjitter
Cycle-to-Cycle Jitter (Peak-toPeak)
— ±25 — ±25 — ±25 ps Test output static
tS
Setup Time
S_DATA to S_CLOCK 20 — 20 — 20 — ns
S_CLOCK to S_LOAD 20 — 20 — 20 —
M, N to P_LOAD 20 — 20 — 20 —
tH
Hold Time
S_DATA to S_CLOCK 20 — 20 — 20 — ns
S_CLOCK to S_LOAD 20 — 20 — 20 —
M, N to P_LOAD 20 — 20 — 20 —
tpw(MIN) Minimum Pulse Width
S_LOAD 50 — 50 — 50 — ns
P_LOAD 50 — 50 — 50 —
tDC
FOUT Duty Cycle
45 55 45 55 45 55 %
tr
Output Rise/Fall
tf
20% to 80%
FOUT 300 800 300 800 300 800 ps
NOTE:
1. 10MHz is the maximum frequency to load the feedback divide registers. S_CLOCK can be switched at high frequencies when used as a test clock in
TEST_MODE 6.
6
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