參數(shù)資料
型號(hào)： CDC922DLR
英文描述： CPU System Clock Generator
中文描述： CPU系統(tǒng)時(shí)鐘發(fā)生器
文件頁(yè)數(shù)： 8/17頁(yè)
文件大小： 292K
代理商： CDC922DLR
CDC922
133-MHz CLOCK SYNTHESIZER/DRIVER FOR PC MOTHERBOARDS
WITH 3-STATE OUTPUTS
SCAS634 –JULY 28, 1999
8
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
electrical characteristics over recommended operating free-air temperature range (unless
otherwise noted) (continued)
CPUx, CPU_DIV2, APIC (Type 1)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
VOH
High-level output voltage
VDD = min to max,
IOH = –1 mA
VDD –
0.1 V
V
VDD = 2.375 V,
VDD = min to max,
VDD = 2.375 V,
VDD = 2.375 V,
VDD = 2.5 V,
VDD = 2.625 V,
VDD = 2.375 V,
VDD = 2.5 V,
VDD = 2.625 V,
VDD = 3.3 V,
VO = 0.5 VDD,
VO = 0.5 VDD,
IOH = –12 mA
IOL = 1 mA
IOL = 12 mA
VO = 1 V
VO = 1.25 V
VO = 2.375 V
VO = 1.2 V
VO = 1.25 V
VO = 0.3 V
VO = VDD or GND
VO/IOH
VO/IOL
2
VOL
Low level output voltage
Low-level output voltage
0.1
V
0.18
0.4
–26
–42
IOH
High-level output current
–46
mA
–16
–27
27
57
IOL
Low-level output current
63
mA
23
43
CO
Output capacitance
5.8
8.5
pF
ZO
Output impedance
High state
Low state
13.5
13.5
27
20
45
45
All typical values are measured at their respective nominal VDD values.
48MHz, REFx (Type 3)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
VOH
High-level output voltage
VDD = min to max,
IOH = –1 mA
VDD –
0.1 V
V
VDD = 3.135 V,
VDD = min to max,
VDD = 3.135 V,
VDD = 3.135 V,
VDD = 3.3 V,
VDD = 3.465 V,
VDD = 3.135 V,
VDD = 3.3 V,
VDD = 3.465 V,
VDD = 3.3 V,
VO = 0.5 VDD,
VO = 0.5 VDD,
IOH = –14 mA
IOL = 1 mA
IOL = 9 mA
VO = 1 V
VO = 1.65 V
VO = 3.135 V
VO = 1.95 V
VO = 1.65 V
VO = 0.4 V
VO = VDD or GND
VO/IOH
VO/IOL
2.4
VOL
Low level output voltage
Low-level output voltage
0.1
V
0.18
0.4
–27
–41
IOH
High-level output current
–41
mA
–12
–23
29
50
IOL
Low-level output current
53
mA
20
37
CO
Output capacitance
4.5
7
pF
ZO
Output impedance
High state
Low state
20
20
40
31
60
60
All typical values are measured at their respective nominal VDD values.
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