![](http://datasheet.mmic.net.cn/170000/SNJ54BCT8244AFKR_datasheet_9784808/SNJ54BCT8244AFKR_16.png)
SN54BCT8244A, SN74BCT8244A
SCAN TEST DEVICES
WITH OCTAL BUFFERS
SCBS042E FEBRUARY 1990 REVISED JULY 1996
16
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
POST OFFICE BOX 1443
HOUSTON, TEXAS 772511443
recommended operating conditions
SN54BCT8244A
SN74BCT8244A
UNIT
MIN
NOM
MAX
MIN
NOM
MAX
UNIT
VCC
Supply voltage
4.5
5
5.5
4.5
5
5.5
V
VIH
High-level input voltage
2
V
VIHH
Double-high-level input voltage
TMS
10
12
10
12
V
VIL
Low-level input voltage
0.8
V
IIK
Input clamp current
18
mA
I
High level output current
TDO
3
mA
IOH
High-level output current
Any Y
12
15
mA
I
Low level output current
TDO
20
24
mA
IOL
Low-level output current
Any Y
48
64
mA
TA
Operating free-air temperature
55
125
0
70
°C