Cypress SL811HS - Manual (Page 30)

SL811HS
Document 38-08008 Rev. *D Page 30 of 32
Clock Timing Specifications
Ordering Information
CLK
CLOCK TIMING
trise tfall thigh
tclk
tlow
Clock Timing
Parameter Description Min. Typ. Max.
t
CLK
Clock Period (48 MHz) 20.0 ns 20.8 ns
t
HIGH
Clock HIGH Time 9 ns 11 ns
t
LOW
Clock LOW Time 9 ns 11 ns
t
RISE
Clock Rise Time 5.0 ns
t
FALL
Clock Fall Time 5.0 ns
Clock Duty Cycle 45% 55%
Part Number Package Type
SL811HS 28-pin PLCC –
SL811HS-JCT 28-pin Lead free –
SL811HST-AXC 48-pin Lead free –
Package Diagrams
DIMENSIONS IN INCHES MIN.
MAX.
0.045
0.055
0.026
0.013
0.032
0.021
0.020 MIN.
0.090
0.165
0.120
0.180
0.485
0.495
0.450
0.458
0.458
0.450
0.495
0.485
0.390
0.430
4 26
18 12
11
5
19
25
0.004
SEATING PLANE
1
PIN #1 ID
28-Lead Plastic Leaded Chip Carrier J64
51-85001-*A