ICS8343-01 View Datasheet(PDF) - Integrated Circuit Systems
Part Name
Description
MFG CO.
ICS8343-01 Datasheet PDF : 10 Pages
| |||
Integrated
Circuit
Systems, Inc.
ICS8343-01
LOW SKEW, 1-TO-16
LVCMOS / LVTTL FANOUT BUFFER
TABLE 1. PIN DESCRIPTIONS
Number
Name
Type
Description
1, 2, 3
4, 5
VDD1
Q3, Q4
Power
Output
Q0 thru Q7 output supply pins.
LVCMOS/LVTTL clock outputs. 7Ω typical output impedance.
6, 7, 8,
17, 18, 19
GND
Power
Power supply ground.
9, 10, 11 Q5, Q6, Q7 Output
LVCMOS/LVTTL clock outputs. 7Ω typical output impedance.
12
CLK
Input Pulldown LVCMOS/LVTTL clock input / 5V tolerant.
13
V
DD
14, 15, 16 Q8, Q9, Q10
Power
Output
Core supply pin.
LVCMOS/LVTTL clock outputs. 7Ω typical output impedance.
20, 21
Q11, Q12
Output
LVCMOS/LVTTL clock outputs. 7Ω typical output impedance.
22, 23, 24
VDD2
Power
25, 26, 27 Q13, Q14, Q15 Output
Q8 thru Q15 output supply pins.
LVCMOS/LVTTL clock outputs. 7Ω typical output impedance.
28
OE2
Input
Pullup
Output enable. When low forces outputs Q8 thru Q15 to HiZ state.
5V tolerant. LVCMOS/LVTTL interface levels.
29
OE1
Input
Pullup
Output enable. When low forces outputs Q0 thru Q7 to HiZ state.
5V tolerant. LVCMOS/LVTTL interface levels.
30, 31, 32 Q0, Q1, Q2 Output
LVCMOS/LVTTL clock outputs. 7Ω typical output impedance.
NOTE: Pullup and Pulldown refer to internal input resistors. See Table 2, Pin characteristics, for typical values.
TABLE 2. PIN CHARACTERISTICS
Symbol
CIN
CPD
Parameter
Input Capacitance
Power Dissipation Capacitance
(per output)
RPULLUP
RPULLDOWN
ROUT
Input Pullup Resistor
Input Pulldown Resistor
Output Impedance
Test Conditions
VDD, VDD1, VDD2 = 3.465V
VDD1, VDD2 = 2.63V
VDD, VDD1, VDD2 = 3.3V
Minimum
5
Typical
4
11
9
51
51
7
Maximum
12
Units
pF
pF
pF
KΩ
KΩ
Ω
TABLE 3. FUNCTION TABLE
Inputs
Outputs
OE1
OE2
Q0:Q7
Q8:Q15
0
0
HiZ
HiZ
1
0
Active
HiZ
0
1
HiZ
Active
1
1
Active
Active
NOTE: OE1 and OE2 are 5V tolerant.
8343AY-01
www.icst.com/products/hiperclocks.html
2
REV. B SEPTEMBER 16, 2004
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