10
COMMERCIAL TEMPERATURE RANGE
IDT74SSTU32865
28-BIT 1:2 REGISTERED BUFFER WITH PARITY
Symbol Parameter Test Conditions Min. Typ. Max. Unit
VOH VDD = 1.7V to 1.9V, IOH = – 6 mA 1.2 — — V
VOL VDD = 1.7V to 1.9V, IOL = 6 mA — — 0.5 V
II All Inputs VI = VDD or GND — — ±5 μA
I
DD Static Standby IO = 0, VDD = 1.9V, RESET = GND — — 200 μA
Static Operating IO = 0, VDD = 1.9V, RESET = VDD, VI = VIH (AC) or VIL (AC) ——40mA
I
DDD Dynamic Operating IO = 0, VDD = 1.8V, RESET = VDD, VI = VIH (AC) or VIL (AC),———μA/Clock
(Clock Only) CLK and CLK Switching 50% Duty Cycle. MHz
IO = 0, VDD = 1.8V, RESET = VDD, 1:1 Mode — — —
Dynamic Operating V
I = VIH (AC) or VIL (AC), CLK and CLK Switching at μA/Clock
(Per Each Data Input) 50% Duty Cycle. One Data Input Switching at 1:2 Mode — — — MHz/Data
Half Clock Frequency, 50% Duty Cycle. Input
Dn V
I = VREF ± 250mV, VDD = 1.8V 2.5 — 3.5
C
I DCSn and CSGateENable 4 — 6 pF
CLK and CLK VICR = 0.9V, VID = 600mV, VDD = 1.8V 4 — 6
RESET V
I = VDD or GND, VDD = 1.8V 2 — 6
DC ELECTRICAL CHARACTERISTICS OVER OPERATING RANGE
Following Conditions Apply Unless Otherwise Specified:
Operating Condition: TA = 0°C to +70°C, VDD = 1.8V ± 0.1V
OPERATING CHARACTERISTICS, TA = 25ºC
(1,2)
Symbol Parameter Min. Typ. Max. Unit
VDD Supply Voltage 1.7 — 1.9 V
VREF Reference Voltage 0.49 * VDD 0.5 * VDD 0.51 * VDD V
VTT Termination Voltage VREF– 40mV VREF VREF+ 40mV V
VI Input Voltage 0 — VDD V
VIH AC High-Level Input Voltage Data Inputs VREF+ 250mV — — V
VIL AC Low-Level Input Voltage Data Inputs — — VREF– 250mV V
VIH DC High-Level Input Voltage Data Inputs VREF+ 125mV — — V
VIL DC Low-Level Input Voltage Data Inputs — — VREF– 125mV V
VIH High-Level Input Voltage RESET, Cx 0.65 * VDD ——V
VIL Low-Level Input Voltage RESET, Cx — — 0.35 * VDD V
VICR Common Mode Input Voltage CLK, CLK 0.675 — 1.125 V
VID Differential Input Voltage CLK, CLK 600 — — mV
IOH High-Level Output Current — — – 8 mA
IOL Low-Level Output Current — — 8 mA
T
A Operating Free-Air Temperature 0 — 70 ° C
NOTES:
1. The RESET and Cx inputs of the device must be held at valid levels (not floating) to ensure proper device operation.
2. The differential inputs must not be floating unless RESET is LOW.
