ITT - Index of

_
I mm
.L.L ___
SEMICONDUCTORS
ITT372, ITT372H
D_IV_ID_E_B_Y_1_6_(_H_EX_A_D_E_C_IM_A_U ... _ C_O_U_N_T_E_R
DIVIDE BY 16 (HEXADECIMAL)
COUNTER
Pin Configuration
The ITT372 is identic\,!1 to the ITT371 except
its outputs are coded in the standard 4-bit
binary (1-2-4-8) code.
Operation of the 372 is identical to that of the
371. Internal construction produces divide-bysixteen
operation.
R 1 16 Vcc
r--------I 15 CP2
14
01
S1
52
54
02
04
58 08
co
ABSOLUTE MAXIMUM RATINGS
Characteristics
Units
Storage Temperature Range .. ~6So to +1S0°C
Operating Temperature Range
372H-1,372-1 .......... -SSoC to +12SoC
372H-S ................ -30°C to +7SoC
372-S ................ -30°C to +8SoC
Lead Temperature, 1/16 inch from
case, 60 seconds Maximum ........ 300°C
Supply Voltage
Continuous ...................... + 16.SV
Pulsed 0.1 Second ................. 18V
Input Voltage (exclusive of expanders)
372-1, 372-S ............ - O.SV to 16.SV
372H-1, 372H-S ............ - O.SV to 18V
Input Voltage - Expanders ........ OV to 6.0V
Voltage applied to output ...... -O.SV to Vee
Sink Current, Continuous Buffers ...... BOmA
All Other Devices ................. 2SmA
Output short circuit duration
to ground ................... Continuous
(Not more than 1 output shorted simultaneously)
Maximum package power dissipation (free air)
at +12So...................... SOOmw
at +8So ....................... 900mw
08 7 H---iH---4-~
GND 8
L-~===j-l 9 co
Logic Diagram
CP10--_-----i
.----{) 51
,1---'''---001
.-----1f--052
t---+-'--"" J------r-~~-{)02
CP20--#---=I
A -Hl---r--..
B
C --f+-'--'/
A--I--I-...-......
.--f--054
.--I---{) 58
J1-,,+--o08
5-50