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ICS853S54I Datasheet(PDF) 2 Page - Integrated Device Technology |
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ICS853S54I Datasheet(HTML) 2 Page - Integrated Device Technology |
2 / 21 page ICS853S54AKI May 27, 2017 2 ©2017 Integrated Device Technology, Inc. ICS853S54I Data Sheet DUAL 2:1, 1:2 DIFFERENTIAL-TO-LVPECL/ECL MULTIPLEXER Table 1. Pin Descriptions NOTE: Pullup and Pulldown refer to internal input resistors. See Table 2, Pin Characteristics, for typical values. Table 2. Pin Characteristics Function Tables Table 3A. Control Input Function Table, (Bank A) Table 3B. Control Input Function Table, (Bank B) Number Name Type Description 1, 2 QB0, nQB0 Output Differential output pair. LVPECL/ECL interface levels. 3, 4 QB1, nQB1 Output Differential output pair. LVPECL/ECL interface levels. 5 PCLKB Input Pulldown Non-inverting LVPECL/ECL differential clock input. 6 nPCLKB Input Pullup/ Pulldown Inverting differential LVPECL clock input. VCC/2 default when left floating. 7 CLK_SELB Input Pulldown Clock select pin for QBx outputs. When HIGH, selects QB1/nQB1 outputs. When LOW, selects QB0/nQB0 outputs. LVCMOS/LVTTL interface levels. 8VEE Power Negative supply pin. 9 nPCLKA1 Input Pullup/ Pulldown Inverting differential LVPECL clock input. VCC/2 default when left floating. 10 PCLKA1 Input Pulldown Non-inverting LVPECL/ECL differential clock input. 11 nPCLKA0 Input Pullup/ Pulldown Inverting differential LVPECL clock input. VCC/2 default when left floating. 12 PCLKA0 Input Pulldown Non-inverting LVPECL/ECL differential clock input. 13 VCC Power Positive supply pin. 14 CLK_SELA Input Pulldown Clock select pin for QA output. When HIGH, selects QA output. When LOW, selects nQA output. LVCMOS/LVTTL interface levels. 15, 16 nQA, QA Output Differential output pair. LVPECL/ECL interface levels. Symbol Parameter Test Conditions Minimum Typical Maximum Units CIN Input Capacitance 2 pF RPULLDOWN Input Pullup Resistor 37.5 k RVCC/2 RPullup/Pulldown Resistor 37.5 k Bank A Control Input Outputs CLK_SELA QA, nQA 0 (default) Selects PCLKA0, nPCLKA0 1 Selects PCLKA1, nPCLKA1 Bank B Control Input Outputs CLK_SELB QB0, nQB0 QB1, nQB1 0 (default) Follows PCLKB input Logic Low 1 Logic Low Follows PCLKB input |
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