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PDF HCF40105B Data sheet ( Hoja de datos )

Número de pieza HCF40105B
Descripción FIFO REGISTER
Fabricantes STMicroelectronics 
Logotipo STMicroelectronics Logotipo



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No Preview Available ! HCF40105B Hoja de datos, Descripción, Manual

HCC40105B
HCF40105B
. INDEPENDENT ASYNCHRONOUS INPUTS
AND OUTPUTS
. 3-STATE OUTPUTS
. EXPANDABLE IN EITHER DIRECTION
. STATUS INDICATORS ON INPUT AND OUT-
PUT
. RESET CAPABILITY
. STANDARDIZED, SYMMETRICAL OUTPUT
CHARACTERISTICS
. QUIESCENT CURRENT SPECIFIED AT 20V
FOR HCC DEVICE
. 5V, 10V, AND 15V PARAMETRIC RATINGS
. INPUT CURRENT OF 100nA AT 18V AND 25°C
FOR HCC DEVICE
. 100% TESTED FOR QUIESCENT CURRENT
. MEETS ALL REQUIREMENTS OF JEDECTEN-
TATIVE STANDARD No 13A, ”STANDARD
SPECIFICATIONS FOR DESCRIPTION OF ”B”
SERIES CMOS DEVICES”
DESCRIPTION
The HCC40105B (extended temperature range) and
HCF40105B (intermediate temperature range) are
monolithic integrated circuits, available in 16-lead dual
in-line plastic or ceramic package.
The HCC/HCF40105B is a low-power first-in-first-out
(FIFO) ”elastic” storage register that can store 16 4-bit
words. It is capable of handling input and output data
at different shifting rates. This feature makes it particu-
larly useful as a buffer between asynchronous sys-
tems. Each word position in the register is clocked by
a control flip-flop, which stores a marker bit. A ”1” sig-
nifies that the position’s data is filled and a ”0” denotes
a vacancy in that position. The control flip-flop detects
the state of the preceding flip-flop and communicates
its own status to the succeeding flip-flop. When a con-
trol flip-flop is in the ”0” state and sees a ”1” in the
preceding flip-flop, it generates a clock pulse that
transfers data from the preceding four data latches
into its own four data latches and resets the preceding
flip-flop to ”0”. The first and last control flip-flops have
buffered outputs. Since all empty locations ”bubble”
automatically to the input end, and all valid data ripple
through to the output end, the status of the first control
flip-flop (DATA-IN READY) indicates if the FIFO is full,
and the status of the last flip-flop (DATA-OUT
June 1989
FIFO REGISTER
READY) indicates if the FIFO contains data. As the
earliest data are removed from the bottom of the data
stack (the output end), all data entered later will auto-
matically propagate (ripple) toward the output.
EY
(Plastic Package)
F
(Ceramic Package)
C1
(Chip Carrier)
ORDER CODES :
HCC40105BF HCF40105BEY
HCF40105BC1
PIN CONNECTIONS
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1 page




HCF40105B pdf
HCC/HCF40105B
DYNAMIC ELECTRICAL CHARACTERISTICS (T amb = 25 °C, CL = 50 pF, RL = 200 k,
typical temperature coefficient for all VDD values is 0.3 %/°C, all input rise and fall time = 20 ns)
Symbol
Parameter
tP HL Propagation Delay Time
Shift-out or Reset to Data-out
Ready
Test Conditions
Value
V D D (V) Min. Typ. Max.
5 185 370
10 90 180
15 65 130
tP HL Propagation Delay Time
Shift-in to Data-in Ready
5 160 320
10 65 130
t P ZH, tP ZL Propagation Delay Time
3-state Control to Data-out
t P HZ, tP L Z Propagation Delay Time
3-State Control to Data-out
15 45 90
5 140 280
10 60 120
15 40 80
5 100 200
10 50 100
15 40 80
tPLH
Ripple-through Delay Input to
Output
5 24
10 1 2
15 0.7 1.4
t THL , t TL H Transition Time
5 100 200
10 50 100
fI Shift-in or Shift-out Rate
15 40 80
5 1.5 3
10 3 6
15 4 8
t WH Shift-in Pulse Width
5 200 100
10 80 40
15 60 30
t WL Shift-out Pulse Width
5 360 180
10 160 80
15 100 50
tr Shift-in or Shift-out Rise Time
5 15
10 15
tf Shift-in Fall Time
15 15
5 15
10 15
15 15
tf Shift-out Fall Time
5 15
10 5
15 5
t s e tu p Data Setup Time
50
10 0
15 0
Unit
ns
ns
ns
ns
µs
ns
MHz
ns
ns
µs
µs
µs
ns
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5 Page





HCF40105B arduino
DIM.
A
B
D
d1
d2
E
e
e3
F
G
M
M1
HCC/HCF40105B
MIN.
9.78
8.89
4.2
7.37
PLCC20 MECHANICAL DATA
mm
TYP.
2.54
0.56
1.27
5.08
0.38
1.27
1.14
MAX.
10.03
9.04
4.57
MIN.
0.385
0.350
0.165
8.38 0.290
0.101
inch
TYP.
0.100
0.022
0.050
0.200
0.015
0.050
0.045
MAX.
0.395
0.356
0.180
0.330
0.004
P027A
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