Epson TM-U295 - Page 30

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REVISION
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F
TM-U295/U295P
Specification
(STANDARD)
15 14
+5 V Signal Sender Characteristics
Specifications
Characteristics Symbol
Min Max
Conditions
Output HIGH voltage
Output LOW voltage
Output HIGH current
Output LOW current
V
OH
V OL
I OH
I OL
*2.4 V
-
-
-**
5.5 V
-**
0.32 mA
-
*I
OH =0.32mA
While the power is OFF
V
OH =2.4V
While the power is OFF
** No guarantee is offered to VOL and IOL while the power is OFF.
6) Compatibility Mode
DATA Data n Data n+1
© tHold-1 ¨
nStrobe
© tSetup ¨© tSTB ¨© tHold-2 ¨
Busy Peripher al Bus y
© tReady ¨© tBUSY ¨
nAck
© tReply ¨© tACK ¨© tnBUSY ¨
© tNext ¨
Specifications
Characteristics Symbol
Min [ns] Max [ns]
Data Hold Time (host) tHold-1 -- 500
Data Hold Time (printer) tHold-2 -- --
Data Setup Time tSetup -- 500
STROBE Pulse Width tSTB -- 500
READY Cycle Idle Time tReady -- --
BUSY Output Delay Time tBUSY 0 500
Data Processing Time tReply 0
¥
ACKNLG Pulse Width tACK 500
10 m s
BUSY Release Time tBUSY 0
¥
ACK Cycle Idle Time tNEXT -- 0
* The printer latches data at a falling edge of nStrobe.
11-411-5