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PDF M56710FP Data sheet ( Hoja de datos )
| Número de pieza | M56710FP | |
| Descripción | F2F MAGNETIC STRIPE ENCORDING CARD READER | |
| Fabricantes | Mitsubishi | |
| Logotipo |  |
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MITSUBISHI <CONTROL / DRIVER IC>
M56710FP
F2F MAGNETIC STRIPE ENCORDING CARD READER
DESCRIPTION
The M56710FP is a semiconductor integrated circuit of BiCMOS
structure having an F2F demodulator function for magnetic card
reader.
FEATURES
q Low current dissipation (0.7mA when on standby as a standard)
q Provided with glance-over selection input (4, 8, and 16 bits)
q Provided with output polarity (“L” active or “H” active) switching
input
q Miniature mini-mold package
q Wide operating temperature range Ta = -20 – 75°C
APPLICATION
Magnetic card reader
FUNCTION
Data signal which is read from magnetic card via magnetic head is
input from HD2 and HD1 pins, and converted into F2F pattern
signal by analog processing in amplifier OP1, differentiator OP2,
sensitivity setting circuit and waveform shaping circuit. If F2F signal
is input, the logic section glances over the prescribed number of
bits set by IB1 and IB2 input before performing digital processing,
and then outputs card reading signal CLS, read clock signal RCP,
and read data signal RDT. INV turning to “L” switches each output
of CLS, RCP and RDT from “L” active to “H” active.
• STANDARD BITS:
Let the number of glance-over bits set by IB1 and IB2 be M.
Let the Mth FC (flux change) through M+1st FC after LDI input is
turned from “L” to “H” be a standard bit with a time width of TB0.
I/O is discriminated from the next bit to this standard bit as a data
bit.
PIN CONFIGURATION (TOP VIEW)
Read control input LDI → 1
NC 2
F2F output F2F ← 3
Noise filter PKO 4
Differentiator input PKI → 5
Amplifier output AMP ← 6
Amplifier (–) input HD2 → 7
Amplifier (+) input HD1 → 8
Standard voltage VRF
output
Grounding GND
9
10
20 VCC1 Power supply
19 VCC2 Power supply
18 CX1 Oscillation capacitor
17 CX2 Oscillation capacitor
16 ← IB1 Ignore bit 1
15 ← IB2 Ignore bit 2
14 ← INV Invert input
13 → CLS Card travelling
signal output
12 → RDT Read data output
11 → RCP Read clock output
Outline 20P2N-A
NC: no connection
• I/O discrimination
Let the data bit time width of a data bit be TBn, and if there is one
next FC between the FC at the end of that bit (i.e. the beginning
of the next bit) to 5/7TBn, let the next bit (Bn+1) be data “1”, and,
if there is no FC, be data “0”.
• Output signal time width
When letting the oscillation cycle of oscillation circuit be TOSC,
• RCP output pulse width TOW • • • • • • • • • • • • • • • • • • • • • • • about 16TOSC
• RCP delay time to RDT • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • about 8TOSC
BLOCK DIAGRAM
Amplifier Differentiator
output input
Noise filter
AMP PKI
PKO
65
4
F2F output
F2F
3
Amplifier (-) input HD2 7
Amplifier (+) input HD1 8
Reference voltage output VRF 9
Read control input LDI 1
Ignore bit 2 IB2 15
Ignore bit 1 IB1 16
OP1
Reference
voltage
circuit
OP2
Sensitivity Waveform
setting
shaping
Control circuit
Oscillation capacitor CX2 17
Oscillation capacitor CX1 18
Oscillation
circuit
1/5
5TOSC
11 bit
downcounter
TOSC
1/7
7TOSC
11 bit
upcounter
20 VCC1 Power supply
19 VCC2 Power supply
14 INV Invert input
13 CLS Card travelling signal output
12 RDT Read data output
11 RCP Read clock output
10 GND
1 page  
MITSUBISHI <CONTROL / DRIVER IC>
M56710FP
F2F MAGNETIC STRIPE ENCORDING CARD READER
ELECTRICAL CHARACTERISTICS (Ta = -20 – 75°C and VCC = 5V, unless otherwise noted)
Symbol
VTH
VOL
VOH
IIL
IIL
IIH
IIT+
VREF
GV11
GV21
RIN1
VOPP1
IIL2
IIH2
VTH+2
VTH-2
VTHD2
VPKO
VOL3
VOH3
VTH+4
VTH-4
VHY4
ICCW
ICCR
fOSC
TOW
TOD
TNW
Parameter
Threshold voltage
IB1, IB2, INV
“L” output voltage
CLS, RDT, RCP
“H” output voltage
“L” input current
“L” input current
“H” input current
Positive threshold current
Reference voltage
Voltage gain 1
CLS, RDT, RCP
LDI, IB1, IB2
INV
LDI, IB1, IB2, INV
INV
VRF
OP1
Voltage gain 2
OP1
Input resistance
OP1
Maximum output voltage
OP1
“L” sensitivity current
“H” sensitivity current
Positive threshold voltage
Negative threshold voltage
Threshold differential voltage
PKI – F2F
PKI – F2F
PKI – F2F
PKI – F2F
PKI – F2F
Pin voltage range
PKO
“L” output voltage
“H” output voltage
Positive threshold voltage
Negative threshold voltage
Hysterisis width
Standby circuit current
F2F
F2F
LDI
LDI
LDI
VCC1, VCC2
Operating circuit current
VCC1, VCC2
Oscillation frequency
Output pulse width
Intra-output delay time
Input noise width
RCP
RCP
RDT, RCP
INV
Test conditions
Test
circuit Min.
VCC = 4 – 5.5V
– 0.3VCC
VCC = 4V
IOL = 10µA
IOL = 5mA
VCC = 4V
IOH = -10µA
IOH = -0.5mA
VCC = 5.5V, VI = 0V
2
2
2
2
2
–
–
3.8
3.2
-10
VCC = 5.5V, VI = 0V
VCC = 5.5V, VI = 5.5V
2 -80
2 -10
VCC = 5.5V, VI = VTH
2 -250
VIN = 0mVp-p
1 2.3
fIN = 1kHz
VIN = 80mVp-p sine wave
3 18
fIN = 15kHz
VIN = 80mVp-p sine wave
3 18
fIN = 1kHz
VIN = 80mVp-p sine wave
37
fIN = 1kHz sine wave
THD AMP = 5%
32
VM, F2F < 0.5V
VM, F2F > 4.5V
On the VRF basis
On the VRF basis
(VTH+2) - VTH-2
4–
4 0.3
5 0.2
5 -0.7
– -0.15
On the VRF basis
IPKI = 1mA – +1mA
4 -1.2
VPKI = 0V, IF2F = 0.5mA
VPKI = 5V, IF2F = -0.5mA
(VTH+4) - (VTH-4)
5–
5 4.5
6 2.5
6 1.5
– 0.5
VIN = 0mVp-p
1–
fIN = 8.2kHz
VIN = 68mVp-p sine wave
fOSC = 1MHz
1–
COSC = 33pF
fOSC = 1MHz
fOSC = 1MHz
1 0.75
7 15
77
7 0.5
Limits
Typ.∗
–
–
–
–
–
–
–
–
–
2.5
20
20
10
–
–
–
0.45
-0.45
–
–
–
–
–
–
–
0.7
1.9
–
16
8
–
Max.
0.7VCC
0.2
0.4
–
–
+10
-10
+10
-50
2.7
Unit
V
V
V
V
V
µA
mA
µA
µA
V
24 Double
24 Double
14 kΩ
–
-0.3
–
0.7
-0.2
0.15
1.2
0.5
–
3.5
2.7
1.5
1.0
VP-P
µA
µA
V
V
V
V
V
V
V
V
V
mA
2.4 mA
1.5 MHz
17 µs
9 µs
– µs
Note: Min. and max. limits do not represent absolute values.
∗: Typ. limits represent standard values when Ta = 25°C and VCC = 5V.
5 Page | ||
| Páginas | Total 8 Páginas | |
| PDF Descargar | [ Datasheet M56710FP.PDF ] | |
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