cy2256 Cypress Semiconductor Corporation., cy2256 Datasheet - Page 3

• Manufacturer Part Number: cy2256
• Description: Pentium Cyrix 6x86 Compatible Clock Synthesizer/driver Opti Viper Chipset
• Manufacturer: Cypress Semiconductor Corporation.

CPU and PCI Clock Driver Strengths
Operating Conditions
Electrical Characteristics
V
T
C
f
V
V
V
V
I
I
I
I
Note:
Parameter
(REF)
IH
IL
OZ
DD
3.
A
DD
IH
IL
OH
OL
Matched impedances on both rising and falling edges on
the output drivers
Output impedance: 25
L
Parameter
Electrical parameters are guaranteed with these operating conditions.
High-level Input Voltage
Low-level Input Voltage
High-level Output Voltage
Low-level Output Voltage
Input High Current
Input Low Current
Output Leakage Current
Power Supply Current
Supply Voltage
Operating Temperature, Ambient
Max. Capacitive Load on
CPUCLKA
CPUCLKB
PCICLK
REF0
REF1
Reference Frequency, Oscillator Nominal Value
Description
(typical) measured at 1.5V
[3]
V
DD
= 3.135V to 3.6V, T
Except Crystal Inputs
Except Crystal Inputs
V
V
V
V
Three-state
V
DD
DD
IH
IL
DD
= 0V
= V
Description
= V
= V
= 3.6V, V
DD
DD
DD
Min.
Min.
IN
A
= 0 C to +70 C
= 0 or V
Test Conditions
3
I
I
I
I
I
I
I
I
OH
OH
OH
OH
OL
OL
OL
OL
Maximum Ratings
(Above which the useful life may be impaired. For user guide-
lines, not tested.)
Supply Voltage ................................................. –0.5 to +7.0V
Input Voltage ..............................................–0.5V to V
Storage Temperature (Non-Condensing)... –65 C to +150 C
Max. Soldering Temperature (10 sec)...................... +260 C
Junction Temperature .............................................. +150 C
Package Power Dissipation.............................................. 1W
Static Discharge Voltage ........................................... >2000V
(per MIL-STD-883, Method 3015)
= 16 mA
= 16 mA
= 8 mA
= 11 mA
= –23 mA
= –23 mA
= –12 mA
= –16 mA
DD
CPUCLKA/B
PCICLK
REF0
REF1
CPUCLKA/B
PCICLK
REF0
REF1
14.318
3.135
Min.
0
Min.
–10
2.0
2.4
14.318
Max.
3.6
70
30
30
30
15
30
Max.
100
+10
0.8
0.4
90
5
CY2256
MHz
DD
Unit
pF
V
C
Unit
+0.5
mA
V
V
V
V
A
A
A