S1K50000 Epson Electronics America, Inc., S1K50000 Datasheet - Page 112

• Manufacturer Part Number: S1K50000
• Description: Design Guide S1k50000 Series
• Manufacturer: Epson Electronics America, Inc.

9.3.2 LV
STANDARD CELL S1K50000 SERIES
DESIGN GUIDE
• Fail-Safe input buffers
• Fail-Safe output buffers
Note * The indicated resistance values are for LV
Notes * V
LVTTL
LVTTL
Schmitt
Normal Output
HIGH SPEED Output
Input Level
DD
** In addition to those listed in Table 9-4-2, cells without test pins are available. If the use of such cells is
-System Fail-Safe Cells
Function
desired, contact Seiko Epson or its distributor.
OL
= 0.4 V (V
XLIDC
XLIDH
Resistor
Without
DD
= 3.3 V)
2 mA
6 mA
12 mA
2 mA
6 mA
12 mA
I
OL
Table 9-4-2 Fail-Safe Output Buffers
Table 9-4-1 Fail-Safe Input Buffers
*
XLIDCD1
XLIDHD1
50 k
EPSON
Chapter 9: Precautions on the Use of Dual Power Supplies
DD
Pull-down*
N-channel open-drain**
= 3.3 V.
XLIDCD2
XLIDHD2
XLOD1CT
XLOD2CT
XLOD1T
XLOD2T
XLOD3T
100 k
—
Cell Name
XLIBBP1
50 k
—
Pull-up*
XLTBF1C
XLTBF2C
XLTBF3A
Tri-state
XLTBF1
XLTBF2
—
XLIBBP2
(LV
(LV
100 k
DD
DD
—
= 3.3 V)
= 3.3 V)
107