參數(shù)資料
型號(hào)： CB664ET
英文描述： SEVEN DISTRIBUTED-OUTPUT CLOCK DRIVER|TSSOP|16PIN|PLASTIC
中文描述： SEVEN公司分布式輸出時(shí)鐘驅(qū)動(dòng)器|型TSSOP | 16PIN |塑料
文件頁(yè)數(shù)： 4/8頁(yè)
文件大?。?/td> 53K
代理商： CB664ET
CB664
I2C Clock Distribution Buffer for Three Banks of Mobile SDRAM
Approved Product
Cypress Semiconductor Corporation
525 Los Coches St.
Milpitas, CA 95035. Tel: 408-263-6300, Fax: 408-263-6571
http://www.cypress.com
Document#: 38-07024 Rev. **
5/6/99
Page 4 of 8
Electrical Characteristics
Characteristics
Input Low Voltage
Input High Voltage
Input Low Current
Input High Current
Tri-State leakage current
Dynamic Supply Current (all
outputs loaded with 30 pF)
Static Supply Current
Symbol
VIL
VIH
IIL
IIH
Ioz
Idd
66
Idd
100
Isdd
Min
-
2.0
-66
Typ
-
-
Max
0.8
-
Units
Vdc
Vdc
μ
A
μ
A
μ
A
mA
mA
mA
Conditions
-
-
66
10
100
140
1
-
9
12
-
-
Input Frequency = 66 Mhz
Input Frequency =100 Mhz
All outputs disabled no input
clock
1 input at a time – 30 seconds
0.8 to 2.4 Volts
-
-
Short Circuit Current
Input Rise Time
ISC
VIR
25
2.4
-
-
-
-
mA
nS
VDD =VDD1 thru VDD6 = 3.3V
±
5%, TA = 0
°
C to 70
°
C
Switching Characteristics
Characteristics
Output Duty Cycle
Buffer Out/Out Skew all Buffer
Outputs
Buffer Input to Output Skew
Jitter Cycle to Cycle*
Jitter Absolute (Peak to Peak)*
Symbol
-
TSKEW
Min
45
-
Typ
50
-
Max
55
250
Units
%
pS
Conditions
Measured at 1.5V (50/50 in)
35 pF Load Measured at 1.5V
TSKEW
TJCC
TJabs
VDD =VDD1 thru VDD6 = 3.3V
±
5%, TA = 0
°
C to 70
°
C
2.0
0
5.0
50
150
nS
pS
pS
@35 pF loading
@35 pF loading
*
this jitter is additive to the input clock’s jitter
Buffer Characteristics ( All Clock Outputs)
Characteristics
Pull-Up Current Min
ull-Up Current Max
Pull-Down Current Min
Pull-Down Current Max
Rise/Fall Time Min
Between 0.4V and 2.4V
Rise/Fall Time Max
between 0.4V and 2.4V
Symbol
IOH
min
IOH
max
IOL
min
IOL
max
Min
-
-
-
-
Typ
-
-
-
-
Max
-54
30
54
23
Units
mA
mA
mA
mA
Conditions
Vout = 1.0 V
Vout = 2.6 V
Vout = 1.2 V
Vout = 0.4 V
TRF
min
-
-
1.33
nS
30 pF Load
TRF
max
-
-
1.33
nS
30 pF Load
VDD = VDDI thru VDD6 = 3.3V
±
5%, TA = 0
°
c TO +70
°
C
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