MC100H646 查看數據表（PDF） - Motorola => Freescale
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MC100H646 Datasheet PDF : 6 Pages
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25 24 23 22 21 20 19
Q3 26
18 EN
OGND 27
17 IVT
Q2 28
OVT 1
Q1 2
16 IGND
Pinout: 28–Lead PLCC
(Top View)
15 VCCE
14 VCCE
OGND 3
13 VBB
Q0 4
12 ECLK
5 6 7 8 9 10 11
PIN NAMES
PIN
OGND
OVT
IGND
IVT
VEE
VCCE
ECLK, ECLK
VBB
Q0–Q7
EN
FUNCTION
TTL Output Ground (0V)
TTL Output VCC (+5.0V)
Internal TTL GND (0V)
Internal TTL VCC (+5.0V)
ECL VEE (0V)
ECL Ground (5.0V)
Differential Signal Input
(PECL)
VBB Reference Output
Signal Outputs (TTL)
Tri–State Enable Input (TTL)
INTERNAL TTL POWER
IVT01
OVT01
LOGIC DIAGRAM
EN
Q0
Q1
Q0A
INTERNAL TTL GROUND
Figure 1. Output Structure
OGND0
IGND01
TCLK
ECLK
ECLK
Q2
Power versus Frequency per Bit
700
Q3
600 PDynamic = CL ƒ VSwing VCC
300pF
PTotal = PStatic + PDynamic
500
Q4
400
200pF
Q5
300
200
Q6
100pF
50pF
100
No Load
Q7
0
0
20
40
60
80
100 120
FREQUENCY, MHz
Figure 2. Power versus Frequency (Typical)
TRUTH TABLE
TCLK
ECLK
ECLK
EN
Q
GND
L
H
H
L
GND
H
L
H
H
H
GND
GND
H
H
L
GND
GND
H
L
X
X
X
L
Z
L = Low Voltage Level; H = High Voltage Level; Z = Tristate
MOTOROLA
2
TIMING SOLUTIONS
BR1333 — Rev 6
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