APPROVED PRODUCT
C9812
Low EMI Clock Generator for Intel 810E Chipset Systems
Output Buffer Characteristics (Cont.)
Buffer Characteristics for SDRAM
Characteristic
Symbol
IOH1
IOH2
IOL1
IOL1
Z0
Min
-72
-68
23
Typ
-116
-110
34
Max
-198
Units
mA
mA
mA
mA
Ω
Conditions
Vout =VDD - 1. 0 V
Pull-Up Current
Pull-Up Current
-188
53
Vout = 1. 4 V
Vout = 0.4 V
Vout = 1.5 V
Pull-Down Current
Pull-Down Current
Dynamic Output Impedance
64
98
159
24
10
Rise Time Min
Between 0.4 and 2.4 V
Tr
0.4
-
-
1.6
nS
30pF Load
30pF Load
Fall Time Max
Tf
0.4
1.6
nS
Between 0.4 and 2.4 V
VDD=VDDS=3.3V ±5%, VDDC=VDDI=2.5±5%, TA=0 to 70ºC
Cypress Semiconductor Corporation
525 Los Coches St.
Milpitas, CA 95035. Tel: 408-263-6300, Fax: 408-263-6571
http://www.cypress.com
Document#: 38-07053 Rev. **
05/03/01
Page 14 of 18
CYPRESS [ CYPRESS ]
