80387DX Datasheet, PDF (3/17 Pages) Maxwell Technologies – Math Coprocessor

Math Coprocessor
TABLE 3. DELTA LIMITS
PARAMETER
I_LI
I_LO
I_CC CLK2 = 32 MHz
I_CC CLK2 = 50 MHz
VARIATION
± 1.5 µ A
±1.5 µ A
±25 mA
±39 mA
80387DX
Supply Voltage
Input Low Voltage
Input High Voltage
Operating Temperature
TABLE 4. RECOMMENDED OPERATING CONDITIONS
PARAMETER
SYMBOL
MIN
MAX
UNIT
V_CC
4.75
5.25
V
V_IL
-0.3
0.8
V
V_IH
2.0
V_CC +0.3
V
T_A
-55
125
°C
TABLE 5. 80387DX DC ELECTRICAL CHARACTERISTICS
(V_CC = 4.75V TO 5.25V; T_A = -55 TO +125°C, UNLESS OTHERWISE SPECIFIED)
PARAMETER
SYMBOL
TEST CONDITIONS
MIN
MAX
UNIT
Input Low Voltage
Input High Voltage
386 CLK2 Input Low Voltage
386 CLK2 Input High Voltage
Output Low Voltage
Output High Voltage
Input Leakage Current
Output Leakage Current
Power Supply Current
Input Capacitance³
Output Capacitance³
CLK2 Capacitance³
V_IL1
--
0.8
V
--
--
V_IH1
2.0
--
V
V_CL
--
0.8
V
V_CH
3.7
--
V
V_OL I_OL = 4 mA, D0-D31, I_OL = 2.5 mA
READYO , ERROR, BUSY, PEREQ
--
0.45
V
V_OH I_OH = -1 mA, D0-D31, I_OH = -0.6 mA
2.4
--
V
READYO, READYO, ERROR, BUSY,
PEREQ
I_LI 0V < V_IN < V_CC
I_LO 0.45V < V_OUT < V_CC
I_CC CLK2 = 32 MHz
CLK2 = 40 MHz
CLK2 = 50 MHz²
± 15
µA
--
± 15
µA
--
250
mA
--
310
--
390
C_IN F_C = 1 MHz
C_O F_C = 1 MHz
C_CLK F_C = 1 MHz
--
10
pF
--
12
pF
--
20
pF
1. This parameter is for all inputs, including 387CLK2 but excluding 386CLK2.
2. Icc is measured at steady state, maximum capacitive loading on the outputs, and worst-case DC level at the inputs;
386CLK2 at the same frequency as 387CLK2.
3. Guaranteed By Design
05.07.02 REV 1
All data sheets are subject to change without notice 3
©2002 Maxwell Technologies
All rights reserved.