74F779 Datasheet, PDF (5/12 Pages) NXP Semiconductors – 8-bit bidirectional binary counter 3-State

Philips Semiconductors
8-bit bidirectional binary counter (3-State)
Product specification
74F779
ABSOLUTE MAXIMUM RATINGS
(Operation beyond the limits set forth in this table may impair the useful life of the device.
Unless otherwise noted these limits are over the operating free-air temperature range.)
SYMBOL
PARAMETER
V_CC
Supply voltage
V_IN
Input voltage
I_IN
Input current
V_OUT
Voltage applied to output in High output state
TC
I_OUT
Current applied to output in Low output state
I/On
T_amb
T_stg
Operating free-air temperature range
Storage temperature
RECOMMENDED OPERATING CONDITIONS
SYMBOL
PARAMETER
MIN
V_CC
Supply voltage
4.5
V_IH
High-level input voltage
2.0
V_IL
Low-level input voltage
I_IK
Input clamp current
TC
I_OH
High-level output current
I/On
TC
I_OL
Low-level output current
I/On
T_amb
Operating free-air temperature range
0
RATING
–0.5 to +7.0
–0.5 to +7.0
–30 to +5
–0.5 to V_CC
40
48
0 to +70
–65 to +150
LIMITS
NOM
5.0
MAX
5.5
0.8
–18
–1
–3
20
24
70
UNIT
V
V
mA
V
mA
mA
°C
°C
UNIT
V
V
V
mA
mA
mA
mA
mA
°C
1989 Sep 20
5