8413S12B Datasheet, PDF (4/33 Pages) Integrated Device Technology – HCSL/ LVCMOS Clock Generator

8413S12B Datasheet.
Table 1. Pin Descriptions (Continued)
Number
Name
Type
Description
51
OE_D
Input
Pullup
Active HIGH output enable for Bank D outputs. See Table 3D.
LVCMOS/LVTTL interface levels.
52
I_REF
Input
External fixed precision resistor (475) from this pin to ground provides a
reference current used for differential current-mode Q[Ax:Ex], nQ[Ax:EX]
outputs.
56
57, 58
V_{DDO_E}
QE0, nQE0
Power
Output
Bank E (HCSL) output supply pin. 3.3V supply.
Differential output pair. HCSL interface levels.
59, 60
QE1, nQE1
Output
Differential output pair. HCSL interface levels.
61
OE_E
Input
Pullup
Active HIGH output enable for Bank E outputs. See Table 3D.
LVCMOS/LVTTL interface levels.
Active LOW Master Reset. When logic LOW, all outputs are reset causing
62
nMR
Input
Pullup the true outputs Qx to go low and the inverted outputs nQx to go high. When
logic HIGH, all outputs are enabled. LVCMOS/LVTTL interface levels.
63
V_{DDO_F}
Power
64
QF
Output
QF output supply pin (LVCMOS/LVTTL). 3.3V supply.
Single-ended output. 3.3V LVCMOS/LVTTL interface levels.
65
V_{DDO_G}
Power
66
QG
Output
QG output supply pins (LVCMOS/LVTTL). 3.3V or 2.5V supply.
Single-ended output. 3.3V or 2.5V LVCMOS/LVTTL interface levels.
67
OE_G
Input
Pullup
Active HIGH output enable for Bank G output. See Table 3E.
LVCMOS/LVTTL interface levels.
68
OE_REF
Input
Pullup
Active HIGH output enable for QREF[0:1] outputs. See Table 3F.
LVCMOS/LVTTL interface levels.
69,
70
QREF0,
QREF1
Output
Single-ended REF outputs. 3.3V or 2.5V LVCMOS/LVTTL interface levels.
71
V_{DDO_QREF}
Power
QREF[0:1] output supply pin (LVCMOS/LVTTL). 3.3V or 2.5V supply.
NOTE: Pullup and Pulldown refer to internal input resistors. See Table 2, Pin Characteristics, for typical values.
Table 2. Pin Characteristics
Symbol
Parameter
C_IN
R_PULLUP
R_PULLDOWN
R_OUT
Input Capacitance
Input Pullup Resistor
Input Pulldown Resistor
Output
Impedance
QF, QG,
QREF[0:1]
QG,
QREF[0:1]
Test Conditions
Minimum
V_{DDO_F} = V_{DDO_G} = V_{DDO_QREF} =
3.465V
V_{DDO_QREF}, V_{DDO_G} = 2.625V
Typical
2
51
51
15
15
Maximum
Units
pF
k
k


©2016 Integrated Device Technology, Inc
4
Revision E, August 18, 2016