+/+…when timing is critical
C9836
Low EMI Clock Generator for Intel Mobile 133MHz/2 SO-DIMM Chipset Systems
Preliminary
Output Buffer Characteristics
CPU
Characteristic
Symbol Min
Typ
-31
-58
24
Max
-51
Units
mA
mA
mA
mA
Ω
Conditions
Pull-Up Current
Pull-Up Current
Pull-Down Current
Pull-Down Current
Output Impedance
IOH1
IOH2
IOL1
IOL2
Z0
-15
-26
12
Vout =VDDC - 0.5V (or VDDI –0.5V)
Vout = 1.2V
-101
40
Vout = 0.4V
27
56
93
Vout = 1.2V
13.5
45
PCI, 3V66
Characteristic
Pull-Up Current
Pull-Up Current
Pull-Down Current
Pull-Down Current
Output Impedance
Symbol
IOH1
IOH2
IOL1
IOL2
Z0
Min
-20
-30
9.4
28
Typ
-25
-54
18
Max
Units
mA
mA
mA
mA
Ω
Conditions
-33
-184
38
Vout =VDD – 0.5V
Vout = 1. 5V
Vout = 0.4V
55
148
55
Vout = 1.5V
12
REF, 48M1(DOT)
Characteristic
Symbol
IOH1
IOH2
IOL1
IOL2
Z0
Min
-12
-27
9
Typ
-16
-43
13
Max
Units
mA
mA
mA
mA
Ω
Conditions
Pull-Up Current
-28
-92
27
Vout =VDD – 0.5V
Vout = 1. 5V
Vout = 0.4V
Pull-Up Current
Pull-Down Current
Pull-Down Current
Output Impedance
26
39
79
Vout = 1.5V
20
60
SDRAM
Characteristic
Pull-Up Current
Pull-Up Current
Pull-Down Current
Pull-Down Current
Output Impedance
Symbol
IOH1
IOH2
IOL1
IOL2
Z0
Min
-28
-67
23
Typ
-40
-107
34
Max
Units
mA
mA
mA
mA
Ω
Conditions
-60
-184
53
Vout =VDD – 0.5V
Vout = 1. 5V
Vout = 0.4V
64
98
159
24
Vout = 1.5V
10
VDD=VDDS=VDDP=AVDD=3.3V ±5%, VDDC=2.5V±5%, TA=0°C to 70°C
Table 7
INTERNATIONAL MICROCIRCUITS, INC. 525 LOS COCHES ST.,
MILPITAS, CA 95035, USA TEL: 408-263-6300, FAX 408-263-6571
http://www.imicorp.com
Rev 1.0
3/30/2000
Page 16 of 20
CYPRESS [ CYPRESS ]
