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參數(shù)資料
| 型號： | S-4621A |
| 廠商： | Seiko Instruments Inc. |
| 英文描述： | CMOS Thermal Print Head Driver Containing a 64-Bit Shift Register and a Latch(內(nèi)置一個64位移位寄存器和一個鎖存器的CMOS 熱敏打印頭驅(qū)動器) |
| 中文描述： | 熱打印頭的CMOS驅(qū)動含64位移位寄存器和鎖存器（內(nèi)置一個64位移位寄存器和一個鎖存器的的CMOS熱敏打印頭驅(qū)動器） |
| 文件頁數(shù)： | 3/6頁 |
| 文件大?。?/td> | 75K |
| 代理商： | S-4621A |
64-bit THERMAL HEAD DRIVER
S-4621A
Seiko Instruments Inc.
3
n
Terminal Functions
(Refer to the dimensions for the pad arrangement)
Table 2
No.
Name
Functions
1 to 64
DO
1
to DO
64
( DO
n
)
V
SS1
Driver output terminals (Nch open-drain)
GND for driver (0 V)
65, 66, 73, 74,
82, 83
71, 80
67, 75
77
81
68
69
V
DD
V
SS0
CLK
SI
SO
LATCH
Positive power supply for logic (+5 V)
GND for logic (0 V)
Clock input terminal for 64-bit shift register
Serial data input terminal for 64-bit shift register
Serial data output terminal for 64-bit shift register
Data latch signal input terminal
When CONT=“L” or open
LATCH=“L”: Reads the data of the shift register
LATCH=“H”: Holds the preceding data
When CONT=“H”
LATCH=“L”: Holds the preceding data
LATCH=“H”: Reads the data of the shift register
Data latch signal control terminal : Selects “H” or “L” for LATCH (pull-
down resistor is built in)
Driver enable terminal : Outputs the latch data to the driver when low
(pull-up resistor is built in)
Driver enable terminal : Outputs the latch data to the driver when high
(pull-down resistor is built in)
Former column serial data input terminal (A pull-down resistor is built in)
72
CONT
76
AEN
70
BEN
79
OLD
78
HIST
Former column serial data input control terminal (A pull-down resistor is
built in)
HIST=“H” : OLD terminal is active.
HIST=“L” or open : Input from OLD terminal is not allowed.
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