ICS843020-01 Datasheet, PDF (7/20 Pages) Integrated Circuit Systems – FEMTOCLOCKS-TM 680MHZ, CRYSTAL-TO- 3.3V DIFFERENTIAL LVPECL FREQUENCY SYNTHESIZER

Integrated
Circuit
Systems, Inc.
ICS843020-01
FEMTOCLOCKS™ 680MHZ, CRYSTAL-TO-
3.3V DIFFERENTIAL LVPECL FREQUENCY SYNTHESIZER
TABLE 4B. LVCMOS / LVTTL DC CHARACTERISTICS, V_CC = V_CCA = V_CCO = 3.3V±5%, TA = 0°C TO 70°C
Symbol
V
IH
V_IL
V_IM
I_IH
Parameter
Input
High Voltage
Input
Low Voltage
Input
Mid Voltage
Input
High Current
VCO_SEL, XTAL_SEL, MR,
S_LOAD, nP_LOAD, S_DATA,
S_CLOCK, TEST_CLK,
M0:M8, N0:N1
P_DIV
VCO_SEL, XTAL_SEL, MR,
S_LOAD, nP_LOAD, S_DATA,
S_CLOCK, TEST_CLK,
M0:M8, N0:N1
P_DIV
P_DIV
M0-M4, M6-M8, N0, N1, MR,
S_CLOCK, TEST_CLK, P_DIV
S_DATA, S_LOAD, nP_LOAD
M5, XTAL_SEL, VCO_SEL
Test Conditions
V_CC = V_IN = 3.465V
V_CC = V_IN = 3.465V
Minimum Typical
2
V_CC - 0.4
-0.3
V_CC/2 - 0.1
M0-M4, M6-M8, N0, N1, MR,
S_CLOCK, TEST_CLK,
V_CC = 3.465V,
-5
I_IL
Input
Low Current
S_DATA, S_LOAD, nP_LOAD
M5, P_DIV,
XTAL_SEL, VCO_SEL,
V_IN = 0V
V_CC = 3.465V,
V_IN = 0V
-150
V_OH
Output
High Voltage
TEST; NOTE 1
2.6
Maximum
V_CC + 0.3
0.8
V_CC + 0.4
V_CC/2 + 0.1
150
5
Units
V
V
V
V
V
µA
µA
µA
µA
V
V_OL
Output
Low Voltage
TEST; NOTE 1
NOTE
1:
Outputs
terminated
with
50Ω
to
V /2.
CCO
0.5
V
TABLE 4C. LVPECL DC CHARACTERISTICS, V_CC = V_CCA = V_CCO = 3.3V±5%, TA = 0°C TO 70°C
Symbol Parameter
Test Conditions
Minimum Typical Maximum
V_OH
Output High Voltage; NOTE 1
V_CCO - 1.4
V_CCO - 0.9
V_OL
Output Low Voltage; NOTE 1
V_CCO - 2.0
V_CCO - 1.7
V_SWING Peak-to-Peak Output Voltage Swing
0.6
1.0
NOTE 1: Outputs terminated with 50 Ω to V_CCO - 2V. See "Parameter Measurement Information" section,
"3.3V Output Load Test Circuit".
Units
V
V
V
843020AY-01
www.icst.com/products/hiperclocks.html
7
REV. B APRIL 14, 2005