74F621 Datasheet, PDF (4/10 Pages) NXP Semiconductors – Octal bus transceiver, non-inverting open collector

Philips Semiconductors
Octal bus transceiver, non-inverting (open collector)
Product specification
74F621
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
V_IN
I_IN
V_OUT
I_OUT
Supply voltage
Input voltage
Input current
Voltage applied to output in High output state
Current applied to output in Low output state
A0–A7
B0–B7
T_amb
T_stg
Operating free-air temperature range
Storage temperature range
RATING
–0.5 to +7.0
–0.5 to +7.0
–30 to +5
–0.5 to +5.5
48
128
0 to +70
–65 to +150
UNIT
V
V
mA
V
mA
mA
°C
°C
RECOMMENDED OPERATING CONDITIONS
SYMBOL
PARAMETER
V_CC
V_IH
V_IL
I_IK
V_OH
I_OL
T_amb
Supply voltage
High-level input voltage
Low-level input voltage
Input clamp current
High-level output current
Low-level output current
Operating free-air temperature range
A0–A7
B0–B7
LIMITS
MIN
NOM
MAX
4.5
5.0
5.5
2.0
0.8
–18
4.5
24
64
0
70
UNIT
V
V
V
mA
V
mA
mA
°C
DC ELECTRICAL CHARACTERISTICS
(Over recommended operating free-air temperature range unless otherwise noted.)
SYMBOL
PARAMETER
TEST CONDITIONS^{NO TAG}
LIMITS
MIN
TYP
NO TAG
MAX
UNIT
I_OH
High-level output current
V_CC = MIN, V_IL = MAX, V_IH=MIN, V_OH = MAX
250
µA
±10%V_CC
V_OL
Low-level output
voltage
A0–A7
B0–B7
V_CC = MIN,
V_IL = MAX,
V_IH = MIN,
I_OL = 24mA
I_OL = 48mA
±5%V_CC
±10%V_CC
I_OL = 64mA
±5%V_CC
0.35 0.50
V
0.35 0.50
V
0.38 0.55
V
0.42 0.55
V
V_IK
Input clamp voltage
V_CC = MIN, I_I = I_IK
–0.73 –1.2
V
Input current at
OEBA, OEAB V_CC = MAX, V_I = 7.0V
I_I
maximum input
voltage
others
V_CC = 0.0V, V_I = 5.5V
100
µA
1
mA
I_IH
High-level input current
V_CC = MAX, V_I = 2.7V
20
µA
I_IL
Low-level input current
V_CC = MAX, V_I = 0.5V
–20
µA
I_CC
Supply current
(total)
I_CCH
I_CCL
V_CC = MAX
OEBA = OEAB = A0–A7 = 4.5V
OEBA = OEAB = 4.5V,
A0–A7 = GND
105
140
mA
105
140
mA
NOTES:
1. For conditions shown as MIN or MAX, use the appropriate value specified under recommended operating conditions for the applicable type.
2. All typical values are at V_CC = 5V, T_amb = 25°C.
1996 Jan 05
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