74HC_HCT4538_15 Datasheet, PDF (6/24 Pages) NXP Semiconductors – Dual retriggerable precision monostable multivibrator

NXP Semiconductors
74HC4538; 74HCT4538
Dual retriggerable precision monostable multivibrator
GND
CEXT
REXT
V_CC
nCEXT
nREXT/CEXT
nA
nQ
T
nB
nQ T = 0.7 × R_EXT × C_EXT
nCD
001aak192
Fig 6. Connection of the external timing components R_EXT and C_EXT
7. Limiting values
Table 4. Limiting values
In accordance with the Absolute Maximum Rating System (IEC 60134). Voltages are referenced to GND (ground = 0 V).
Symbol Parameter
Conditions
Min
Max
Unit
V_CC
I_IK
I_OK
I_O
I_CC
I_GND
T_stg
P_tot
supply voltage
input clamping current
output clamping current
output current
supply current
ground current
storage temperature
total power dissipation
V_I < −0.5 V or V_I > V_CC + 0.5 V
V_O < −0.5 V or V_O > V_CC + 0.5 V
V_O = −0.5 V to V_CC + 0.5 V
T_amb = −40 °C to +125 °C
DIP16 package
−0.5
[1] _-
[1] _-
-
-
−50
−65
[2] _-
+7.0
V
±20
mA
±20
mA
±25
mA
+50
mA
-
mA
+150
°C
750
mW
SO16 package
[3] _-
500
mW
(T)SSOP16 package
[4] _-
500
mW
[1] The input and output voltage ratings may be exceeded if the input and output current ratings are observed.
[2] P_tot derates linearly with 12 mW/K above 70 °C.
[3] P_tot derates linearly with 8 mW/K above 70 °C.
[4] P_tot derates linearly with 5.5 mW/K above 60 °C.
74HC_HCT4538_3
Product data sheet
Rev. 03 — 8 June 2009
© NXP B.V. 2009. All rights reserved.
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