Programmable Skew Clock Buffer (PSCB)
T
ABLE
1. 7B991 P
INOUT
D
ESCRIPTIONS
P
IN
1
17
3
26, 27
29, 30
4, 5
6, 7
31
23, 24
21, 22
14, 15
10, 11
9, 16, 18, 25
2
12, 13, 21,
22, 28, 32
S
YMBOL
REF
FB
FS
1F0, 1F1
2F0, 2F1
3F0, 3F1
4F0, 4F1
TEST
1Q1, 1Q0
2Q1, 2Q0
3Q1, 3Q0
4Q1, 4Q0
V
CCN
V
CCQ
GND
I/O
I
I
I
I
I
I
I
I
O
O
O
O
PWR
PWR
PWR
D
ESCRIPTION
7B991
Reference frequency input supplies the frequency and timing
against which all functional variation is measured.
PLL feedback (typically connected to one of the eight outputs)
Three-level frequency range select. See Table 2.
Three-level function select inputs for output pair 1 (1Q0, 1Q1). See
Table 2.
Three-level function select inputs for output pair 2 (2Q0, 2Q1). See
Table 2.
Three-level function select inputs for output pair 3 (3Q0, 3Q1). See
Table 2.
Three-level function select inputs for output pair 4 (4Q0, 4Q1). See
Table 2.
Three-level select. See test mode section under the block diagram
descriptions.
Output pair 1. See Table 2.
Output pair 2. See Table 2.
Output pair 3. See Table 2.
Output pair 4. See Table 2.
Power supply for output drivers
Power supply for internal circuitry
Ground.
Memory
T
ABLE
2. 7B991 A
BSOLUTE
M
AXIMUM
R
ATINGS
P
ARAMETER
Storage Temperature
Operating Temperature Range
Supply Voltage to Ground Potential
DC Input Voltage
Output Current into Outputs (LOW)
Static Discharge Voltage (per MIL-STD-882, Method 3015)
Latchup Current
S
YMBOL
T
S
T
A
V
S
V
I
I
OUT
V
SD
I
LU
M
IN
-65
-40
-0.5
-0.5
--
>2001
>200
M
AX
150
85
7.0
7.0
64
--
--
U
NIT
°C
°C
V
V
mA
V
mA
09.23.02 Rev 4
All data sheets are subject to change without notice
2
©2002 Maxwell Technologies.
All rights reserved.
MAXWELL [ MAXWELL TECHNOLOGIES ]
