ICS950220 Datasheet, PDF (12/20 Pages) Integrated Circuit Systems – Programmable Timing Control Hub™ for P4™

Integrated
Circuit
Systems, Inc.
ICS950220
Absolute Maximum Ratings
Supply Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . 5.5 V
Logic Inputs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . GND –0.5 V to VDD +0.5 V
Ambient Operating Temperature . . . . . . . . . . . . 0°C to +70°C
Case Temperature . . . . . . . . . . . . . . . . . . . . . . . . 115°C
Storage Temperature . . . . . . . . . . . . . . . . . . . . . –65°C to +150°C
Stresses above those listed under Absolute Maximum Ratings may cause permanent damage to the device. These ratings are
stress specifications only and functional operation of the device at these or any other conditions above those listed in the
operational sections of the specifications is not implied. Exposure to absolute maximum rating conditions for extended
periods may affect product reliability.
Electrical Characteristics - Input/Supply/Common Output Parameters
T_A = 0 - 70°C; Supply Voltage V_DD = 3.3 V +/-5%
PARAMETER
SYMBOL
CONDITIONS
MIN TYP MAX UNITS
Input High Voltage
V_IH
2
V_DD + 0.3 V
Input Low Voltage
V_IL
V_SS - 0.3
0.8
V
Input High Current
I_IH
V_IN = V_DD
-5
5
mA
I_IL1
V_IN = 0 V; Inputs with no pull-up
resistors
-5
mA
Input Low Current
I_IL2
V_IN = 0 V; Inputs with pull-up resistors -200
Operating Supply Current I_DD3.3OP C_L = Full load
Powerdown Current
I_DD3.3PD IREF=2.32 mA
Input Frequency
F_i
V_DD = 3.3 V
Pin Inductance
L_pin
Input Capacitance¹
C_IN
C_OUT
Logic Inputs
Output pin capacitance
C_INX X1 & X2 pins
Transition time¹
T_trans To 1st crossing of target frequency
Settling time¹
T_s
From 1st crossing to 1% target
frequency
Clk Stabilization¹
T_STAB
From V_DD = 3.3 V to 1% target
frequency
Delay¹
t_PZH,t_PZL Output enable delay (all outputs)
t_PHZ,t_PLZ Output disable delay (all outputs)
3V66 to PCI
S_3V66-PCI
3V66 (5:0) leads 33MHz PCI
1_{Guaranteed by design, not 100% tested in production.}
229 221
360
21
25
14.318
7
5
6
27
45
3
3
3
1
10
1
10
1.5
2.12
3.5
mA
mA
MHz
nH
pF
pF
pF
ms
ms
ms
ns
ns
ns
0467F—07/28/05
12