S1K50000 Epson Electronics America, Inc., S1K50000 Datasheet - Page 50

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

STANDARD CELL S1K50000 SERIES
DESIGN GUIDE
Notes: * V
LVTTL
LVTTLSchmitt
• Fail-Safe bidirectional buffers
Input Level
1) N-channel open-drain type
** In addition to the N-channel open-drain bidirectional buffers specified in Table 3-4-3, a bidirectional-buffer
configuration without test pins may be considered. If such a test-pinless configuration is desired, contact
Seiko Epson or its distributor.
OL
Figure 3-3 Example of an N-channel Open-Drain Bidirectional-Buffer Symbol
= 0.4 V (V
Bi-directional output
Bi-directional output for high speed
Bi-directional output
Bi-directional output for high speed
DD
Table 3-4-3 N-channel Open-Drain Bidirectional Buffers
= 3.3 V)
Used for testing
Output signal
Enable
Input signal
Function
Chapter 3: Types of Input/Output Buffers and Usage Precautions
EPSON
BDC1T
A
E
TA
TE
TS
Bidirectional
12 mA
12 mA
2 mA
6 mA
2 mA
6 mA
2 mA
6 mA
2 mA
6 mA
I
OL
*
Cell Name**
BDC1CT
BDC2CT
BDH1CT
BDH2CT
BDC1T
BDC2T
BDC3T
BDH1T
BDH2T
BDH3T
(V
DD
= 3.3 V)
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