M5123 Datasheet, PDF (97/121 Pages) List of Unclassifed Manufacturers – Mega I/O Controller with Plug & Play

Acer Laboratories Inc.
M512x : Mega I/O Controller with PnP
--Preliminary, Confidential, Proprietary--
Table 10-2
DC Characteristics (continued)
Symbol
Parameter
Conditions
Oscillator Pins (OSC1/CLK)
IOSC
OSC1 input current
(OSC1 = GND),
VIN = VDD or GND
VIH
OSC1 high level
input voltage
OSC2 = GND
VIL
OSC1 low level
input voltage
OSC2 = GND
Disk Drive Interface Pins (MTR0~3, DR0~3, WDATA,
WGATE, RDATA, DIR, HDSEL, TRK0, WRTPRT, RPM,
STEP, DSKCHG, INDEX)
VH
Input hysteresis
VOL
Low level output voltage
IOUT = 36 mA
ILKG
Output high
leakage current
VOUT = VDD or GND
VIH
High level input voltage
VIL
Low level input voltage
Microprocessor and Parallel Port Pins
VOL
Output low voltage
IOL = 24 mA on D0~D7;
16 mA on PD0~PD7; 16 mA
on INITJ, AFDJ, STBJ and
SLINJ; 4 mA on all
other outputs
VOH
Output high voltage
IOH = -12 mA on D0~D7;
-16 mA on PD0~PD7; -16 mA
on INITJ, AFDJ, STBJ and
SLINJ; -4 mA on all
other outputs
IIL
Input leakage
VDD = 5.5V, VSS = 0V
All other pins floating
IOZ
Output tri-state leakage
VDD = 5.5V, VSS = 0V
VOUT = 0V, 5.5V
Min
Max Unit
±1.6
mA
2.4
V
0.4 V
250 typical
mV
0.4
V
±100
uA
2.2
V
0.8
V
0.4
V
2.4
V
±10
uA
±20
uA
* ICC is measured with a 0.1 uF supply decoupling capacitor-to-ground.
10.2.1 Capacitance
T_A = 25oC, V_DD = V_SS = 0V)
Table 10-3
Capacitance
Symbol
CIN
COUT
CI/O
Parameter
Input capacitance
Output capacitance
I/O capacitance
Conditions
fC = 1 MHz; Unmeasured
pins returned to VSS
Typ Max Units
5
7
pF
6
8
pF
10
12
pF
07-02-1997 Document Number: 512xDS02.doc
Acer Labs: 7F, 115 Tung Hsing Street, Taipei 110, Taiwan, R.O.C. Tel: [phone] Fax: [phone]
Page 97