TI380C30A Datasheet, PDF (31/81 Pages) Texas Instruments – INTEGRATED TOKEN-RING COMMPROCESSOR AND PHYSICAL-LAYER INTERFACE

TI380C30A
INTEGRATED TOKEN-RING COMMPROCESSOR
AND PHYSICAL-LAYER INTERFACE
SPWS034 – MARCH 1998
recommended operating conditions
MIN NOM
MAX UNIT
VDD Supply voltage
4.75
5
5.25 V
TTL-level signal
2
VDD+0.3
VIH High-level input voltage
OSCIN
2.4
VDD+0.3 V
RCLK, PXTAL, RCVR, XT1
2.6
VDD+0.3
VIL
Low-level input voltage, TTL-level signal (see Note 9)
–0.3
0.8 V
IOH High-level output current
TTL outputs
–400 µA
IOL
Low-level output current (see Note 10)
TTL outputs
2 mA
TC
Operating case temperature
0
95 °C
NOTES: 9. The algebraic convention, where the more-negative (less-positive) limit is designated as a minimum, is used for logic-voltage
levels only.
10. Output current of 2 mA is sufficient to drive five low-power Schottky TTL loads or ten advanced low-power Schottky TTL loads
(worst case).
electrical characteristics over recommended ranges of supply voltage and operating case
temperature (unless otherwise noted)
PARAMETER
TEST CONDITIONS†
MIN TYP MAX UNIT
VOH High-level output voltage, TTL-level signal (see Note 11) VDD = MIN,
IOH = MAX
2.4
V
VOL Low-level output voltage, TTL-level signal
VDD = MIN,
IOL = MAX
0.6 V
IOZ High-impedance output current
VDD = MAX,
VDD = MAX,
VO = 2.4 V
VO = 0.4 V
20
µA
–20
II
Input current, any input or input/output
VI = VSS to VDD
± 20 µA
ICC Supply current
Normal mode
VDD = MAX
Power-down mode VDD = 5 V
200
mA
20
Ci
Input capacitance, any input
f = 1 MHz,
Others at 0 V
15 pF
Co
Output capacitance, any output or input/output
f = 1 MHz,
Others at 0 V
15 pF
† _{For conditions shown as MIN/MAX, use the appropriate value specified under the recommended operating conditions.}
NOTE 11: The following signals require an external pullup resistor: SRAS/SAS, SRDY/SDTACK, SRD/SUDS, SWR/SLDS, EXTINT0–EXTINT3,
and MBRQ.
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