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TC74VCXH16646FT TENTATIVE
TOSHIBA CMOS Digital Integrated Circuit Silicon Monolithic
TC74VCXH16646FT
Low-Voltage 16-Bit Bus Transceiver/Register with Bushold
The TC74VCXH16646FT is a high-performance CMOS 16-bit bus transceiver/register. Designed for use in 1.8-V, 2.5-V or 3.3-V systems, it achieves high-speed operation while maintaining the CMOS low power dissipation. This device is bus transceiver with 3-state outputs, D-type flip-flops, and control circuitry arranged for multiplexed transmission of data directly from the internal registers. The A, B data inputs include active bushold circuitry, eliminating the need for external pull-up resisisors to hold unused or floating data inputs at a valid logic level. All inputs are equipped with protection circuits against static discharge.
Weight: 0.25 g (typ.)
Features
* * * Low-voltage operation: VCC = 1.8 to 3.6 V Bushold on data inputs eliminating the need for external pull-up/pull-down resistors High-speed operation : tpd = 2.9 ns (max) (VCC = 3.0 to 3.6 V) : tpd = 3.5 ns (max) (VCC = 2.3 to 2.7 V) : tpd = 7.0 ns (max) (VCC = 1.8 V) * * 3.6-V tolerant control inputs Output current : IOH/IOL = 24 mA (min) (VCC = 3.0 V) : IOH/IOL = 18 mA (min) (VCC = 2.3 V) : IOH/IOL = 6 mA (min) (VCC = 1.8 V) * * * Latch-up performance: 300 mA ESD performance : Machine model > 200 V : Human body model > 2000 V Package: TSSOP (thin shrink small outline package)
Note 1: Do not apply a signal to any bus pins when it is in the output mode. Damage may result.
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Pin Assignment (top view) IEC Logic Symbol
1DIR 1CAB 1SAB GND 1A1 1A2 VCC 1A3 1A4
1 2 3 4 5 6 7 8 9
56 55 54 53 52 51 50 49 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 32 31 30 29
1OE
1OE 1DIR
1CBA 1SBA 1CAB 1SAB 2OE 2DIR 2CBA 2SBA 2CAB 2SAB
56 1 55 54 2 3 29 28 30 31 27 26
1CBA 1SBA GND 1B1 1B2 VCC 1B3 1B4 1B5 GND 1B6
1A2 6 8 9 10 12 13 14 15 1A1 5
G3 3EN1 (BA) 3EN2 (AB) C4 G5 C6 G7 G10 10EN8 (BA) 10EN9 (AB) C11 G12 C13 G14
>
1A5 10 GND 11 1A6 12 1A7 13 1A8 14 2A1 15 2A2 16 2A3 17 GND 18 2A4 19 2A5 20 2A6 21 VCC 22 2A7 23 2A8 24 GND 25 2SAB 26 2CAB 27 2DIR 28
1
5
5 7>
4D 1 1 2
52
1B1
1 6D 1
7
51 49 48 47 45 44 43 12 11D 8 12 1 13D 14 > 1 9 14 1
>1
1B2 1B3 1B4 1B5 1B6 1B7 1B8 2B1
1B7 1B8 2B1 2B2 2B3
1A6 1A3 1A4 1A5
GND
1A7
2B4 2B5 2B6 VCC 2B7
2A2 16 17 19 20 21 23 24 1A8 2A1
42
41 40 38 37 36 34 33
2B2 2B3 2B4 2B5 2B6 2B7 2B8
2B8
2A3
GND 2SBA 2CBA
2OE
2A4 2A5 2A6 2A7 2A8
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Truth Table
Control Inputs
OE
Bus SAB X SBA X A Input Z B Input Z X Output L H L H Qn L H Input L H L H X L H
Function The output functions of A and B Busses are disabled. Both A and B Busses are used as inputs to the internal flip-flops. Data on the Bus will be stored on the rising edge of the Clock. The data on the A bus are displayed on the B bus. The data on the A bus are displayed on the B Bus, and are stored into the A storage flip-flops on the rising edge of CAB. The data in the A storage flop-flops are displayed on the B Bus. The data on the A Bus are stored into the A storage flip-flops on the rising edge of CAB, and the stored data propagate directly onto the B Bus. The data on the B Bus are displayed on the A bus. The data on the B Bus are displayed on the A Bus, and are stored into the B storage flip-flops on the rising edge of CBA. The data in the B storage flip-flops are displayed on the A Bus. The data on the B Bus are stored into the B storage flip-flops on the rising edge of CBA, and the stored data propagate directly onto the A Bus.
DIR
CAB X*
CBA X*
H
X X X X Input X* X* L X L H L X* L X H X* X* H X X L X* H X H Output X* X* X L L H L X* X L H X* X* X H Qn L X* X H H
L
H
L
L
X: Don't care Z: High impedance Qn: The data stored into the internal flip-flops by most recent low to high transition of the clock inputs. *: The clocks are not internally with either OE or DIR. Therefore, data on the A and/or B busses may be clocked into the storage flip-flops at any time.
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System Diagram
56
1OE
1DIR
1
1A1
5 D CK Q
BA
fA
BB
fB
Q
D CK
52 1B1
1A8 1CAB 1SAB
14 2 3
fA
Same as above block
43 55
fB
1B8 1CBA 1SBA
54
BA
BB
2OE
29
2DIR
28
2A1
15 D CK Q
BA
fA
BB
fB
Q
D CK
42 2B1
2A8 2CAB 2SAB
24 27 26
fA
Same as above block
33 30
fB
2B8 2CBA 2SBA
31
BA
BB
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TC74VCXH16646FT
Timing Chart
OE
DIR SAB
SBA
CAB
CBA
A
B A: Input B: Output A: Output B: Input A: Z B: Z
: Don't care
Z: High impedance
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Maximum Ratings
Characteristics Power supply voltage (DIR, OE , CAB, CBA, SAB, SBA) VIN (An, Bn) DC output voltage Input diode current Output diode current Output current Power dissipation DC VCC/ground current per supply pin Storage temperature Symbol VCC Rating
-0.5 to 4.6 -0.5 to 4.6 -0.5 to VCC + 0.5
Unit V
DC input voltage
V
(Note 2)
-0.5 to VCC + 0.5
(An, Bn)
VOUT IIK IOK IOUT PD ICC/IGND Tstg
-50 50 50
(Note 3)
V mA
(Note 4)
mA mA mW mA C
400
100 -65 to 150
Note 2: OFF state Note 3: High or low state. IOUT absolute maximum rating must be observed. Note 4: VOUT < GND, VOUT > VCC
Recommended Operating Range (Note 5)
Characteristics Power supply voltage (DIR, OE , CAB, CBA, SAB, SBA) (An, Bn) Output voltage (An, Bn) VOUT Symbol VCC Rating 1.8 to 3.6 1.2 to 3.6 (Note 6)
-0.3 to 3.6
Unit V
Input voltage
VIN
V
0 to VCC (Note 7) 0 to VCC (Note 8)
24
V
(Note 9) (Note 10) (Note 11) C ns/V mA
Output current
IOH/IOL
18 6
Operating temperature Input rise and fall time
Topr dt/dv
-40 to 85
0 to 10 (Note 12)
Note 5: Floating or unused control inputs must be held high or low. Note 6: Data retention only Note 7: OFF state Note 8: High or low state Note 9: VCC = 3.0 to 3.6 V Note 10: VCC = 2.3 to 2.7 V Note 11: VCC = 1.8 V Note 12: VIN = 0.8 to 2.0 V, VCC = 3.0 V
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Electrical Characteristics
< DC Characteristics (Ta = -40 to 85C, 2.7 V < VCC = 3.6 V)
Characteristics H-level L-level Symbol VIH VIL Test Condition VCC (V) Input voltage
3/4 3/4
Min 2.7 to 3.6 2.7 to 3.6 2.0
3/4
Max
3/4
Unit
V
0.8
3/4 3/4 3/4 3/4
IOH = -100 mA H-level VOH VIN = VIH or VIL IOH = -12 mA IOH = -18 mA Output voltage IOH = -24 mA IOL = 100 mA L-level VOL VIN = VIH or VIL IOL = 12 mA IOL = 18 mA IOL = 24 mA Input leakage current (DIR, OE , CAB, CBA, SAB, SBA) Bushold input minimum drive hold current Bushold input over-drive current to change state 3-state output OFF state current Quiescent supply current Increase in ICC per input IIN VIN = 0 to 3.6 V VIN = 0.8 V VIN = 2.0 V (Note 13) (Note 14) VIN = VIH or VIL VOUT = VCC or GND VIN = VCC or GND VIH = VCC - 0.6 V
2.7 to 3.6 2.7 3.0 3.0 2.7 to 3.6 2.7 3.0 3.0 2.7 to 3.6 3.0 3.0 3.6 3.6 2.7 to 3.6 2.7 to 3.6 2.7 to 3.6
VCC - 0.2 2.2 2.4 2.2
3/4 3/4 3/4 3/4 3/4
V
0.2 0.4 0.4 0.55
5.0 3/4 3/4 mA
II (HOLD)
75
-75 3/4 3/4 3/4 3/4 3/4
mA
II (OD)
450
-450 10.0
mA
IOZ ICC
DICC
mA mA mA
20.0 750
Note 13: An external driver must source at least the specified current to switch from LOW-to-HIGH. Note 14: An external driver must sink at least the specified current to switch from HIGH-to-LOW.
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< < DC Characteristics (Ta = -40 to 85C, 2.3 V = VCC = 2.7 V)
Characteristics H-level L-level Symbol VIH VIL Test Condition VCC (V) Input voltage
3/4 3/4
Min 2.3 to 2.7 2.3 to 2.7 1.6
3/4
Max
3/4
Unit
V
0.7
3/4 3/4 3/4 3/4
IOH = -100 mA H-level Output voltage VOH VIN = VIH or VIL IOH = -6 mA IOH = -12 mA IOH = -18 mA IOL = 100 mA L-level VOL VIN = VIH or VIL IOL = 12 mA IOL = 18 mA Input leakage current (DIR, OE , CAB, CBA, SAB, SBA) Bushold input minimum drive hold current Bushold input over-drive current to change state 3-state output OFF state current Quiescent supply current IIN VIN = 0 to 3.6 V VIN = 0.7 V VIN = 1.6 V (Note 13) (Note 14) VIN = VIH or VIL VOUT = VCC or GND VIN = VCC or GND
2.3 to 2.7 2.3 2.3 2.3 2.3 to 2.7 2.3 2.3 2.3 to 2.7 2.3 2.3 2.7 2.7 2.3 to 2.7 2.3 to 2.7
VCC - 0.2 2.0 1.8 1.7
3/4 3/4 3/4 3/4
V
0.2 0.4 0.6
5.0 3/4 3/4 mA
II (HOLD)
45
-45 3/4 3/4 3/4 3/4
mA
II (OD)
300
-300 10.0
mA
IOZ ICC
mA mA
20.0
Note 13: An external driver must source at least the specified current to switch from LOW-to-HIGH. Note 14: An external driver must sink at least the specified current to switch from HIGH-to-LOW.
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< DC Characteristics (Ta = -40 to 85C, 1.8 V = VCC < 2.3 V)
Characteristics Symbol Test Condition VCC (V) H-level Input voltage L-level VIL
3/4 3/4
Min 0.7 VCC
3/4
Max
3/4
Unit
VIH
1.8 to 2.3 1.8 to 2.3 IOH = -100 mA IOH = -6 mA 1.8 1.8 1.8 1.8 1.8 1.8 1.8 (Note 13) (Note 14) 1.8 1.8 1.8 1.8
0.2 VCC
3/4 3/4
V
H-level Output voltage L-level Input leakage current (DIR, OE , CAB, CBA, SAB, SBA) Bushold input minimum drive hold current Bushold input over-drive current to change state 3-state output OFF state current Quiescent supply current
VOH
VIN = VIH or VIL
VCC - 0.2 1.4
3/4 3/4 3/4
V
VOL
VIN = VIH or VIL
IOL = 100 mA IOL = 6 mA
0.2 0.3
5.0 3/4 3/4 mA
IIN
VIN = 0 to 3.6 V VIN = 0.36 V VIN = 1.26 V
II (HOLD)
25
-25 3/4 3/4 3/4 3/4
mA
II (OD) VIN = VIH or VIL VOUT = VCC or GND VIN = VCC or GND
200
-200 10.0
mA
IOZ ICC
mA mA
20.0
Note 13: An external driver must source at least the specified current to switch from LOW-to-HIGH. Note 14: An external driver must sink at least the specified current to switch from HIGH-to-LOW.
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AC Characteristics (Ta = -40 to 85C, input: tr = tf = 2.0 ns, CL = 30 pF, RL = 500 W)
Characteristics Symbol Test Condition VCC (V) 1.8 Maximum clock frequency fmax Figure 1, Figure 3 2.5 0.2 3.3 0.3 1.8 Propagation delay time (An, Bn-Bn, An) tpLH tpHL Figure 1, Figure 2 2.5 0.2 3.3 0.3 1.8 Propagation delay time (CAB, CBA-Bn, An) tpLH tpHL Figure 1, Figure 3 2.5 0.2 3.3 0.3 1.8 Propagation delay time (SAB, SBA-Bn, An) tpLH tpHL Figure 1, Figure 2 2.5 0.2 3.3 0.3 1.8 Output enable time ( OE , DIR-An, Bn) tpZL tpZH Figure 1, Figure 4, Figure 5 2.5 0.2 3.3 0.3 1.8 Output disable time ( OE , DIR-An, Bn) tpLZ tpHZ Figure 1, Figure 4, Figure 5 2.5 0.2 3.3 0.3 1.8 Minimum pulse width tw (H) tw (L) Figure 1, Figure 3 2.5 0.2 3.3 0.3 1.8 Minimum setup time ts Figure 1, Figure 3 2.5 0.2 3.3 0.3 1.8 Minimum hold time th Figure 1, Figure 3 2.5 0.2 3.3 0.3 1.8 Output to output skew tosLH tosHL (Note 15) 2.5 0.2 3.3 0.3 100 200 250 1.5 0.8 0.6 1.5 0.8 0.6 1.5 0.8 0.6 1.5 0.8 0.6 1.5 0.8 0.6 4.0 1.5 1.5 2.5 1.5 1.5 1.0 1.0 1.0
3/4 3/4 3/4 3/4 3/4 3/4
Min
Max
Unit
MHz
7.0 3.5 2.9 8.8 4.4 3.2 8.8 4.4 3.5 9.8 4.9 3.8 7.6 4.2 3.7
3/4 3/4 3/4 3/4 3/4 3/4 3/4 3/4
ns
ns
ns
ns
ns
ns
ns
ns
0.5 0.5 0.5 ns
For CL = 50 pF, add approximately 300 ps to the AC maximum specification. Note 15: Parameter guaranteed by design. (tosLH = |tpLHm - tpLHn|, tosHL = |tpHLm - tpHLn|)
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TC74VCXH16646FT
Dynamic Switching Characteristics
(Ta = 25C, input: tr = tf = 2.0 ns, CL = 30 pF, RL = 500 W)
Characteristics Symbol Test Condition VCC (V) VIH = 1.8 V, VIL = 0 V Quiet output maximum dynamic VOL VOLP VIH = 2.5 V, VIL = 0 V VIH = 3.3 V, VIL = 0 V VIH = 1.8 V, VIL = 0 V Quiet output minimum dynamic VOL VOLV VIH = 2.5 V, VIL = 0 V VIH = 3.3 V, VIL = 0 V VIH = 1.8 V, VIL = 0 V Quiet output minimum dynamic VOH VOHV VIH = 2.5 V, VIL = 0 V VIH = 3.3 V, VIL = 0 V (Note 16) (Note 16) (Note 16) (Note 16) (Note 16) (Note 16) (Note 16) (Note 16) (Note 16) 1.8 2.5 3.3 1.8 2.5 3.3 1.8 2.5 3.3 0.25 0.6 0.8
-0.25 -0.6 -0.8
Typ.
Unit
V
V
1.5 1.9 2.2 V
Note 16: Parameter guaranteed by design.
Capacitive Characteristics (Ta = 25C)
Characteristics Input capacitance Bus I/O capacitance Power dissipation capacitance Symbol CIN CI/O CPD fIN = 10 MHz Test Condition VCC (V) (DIR, OE , CAB, CBA, SAB, SBA)
3/4
Typ. 1.8, 2.5, 3.3 1.8, 2.5, 3.3 (Note 17) 1.8, 2.5, 3.3 6 7 20
Unit pF pF pF
Note 17: CPD is defined as the value of the internal equivalent capacitance which is calculated from the operating current consumption without load. Average operating current can be obtained by the equation: ICC (opr) = CPDVCCfIN + ICC/16 (per bit)
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TC74VCXH16646FT
AC Test Circuit
6.0 V or VCC 2 Open GND Measure
CL RL
Switch
RL
Parameter tpLH, tpHL tpLZ, tpZL tpHZ, tpZH 6.0 V VCC 2
Switch Open @VCC = 3.3 0.3 V @VCC = 2.5 0.2 V @VCC = 1.8 V GND
Output
CL = 30 pF RL = 500 W
Figure 1 AC Waveform
tr 2.0 ns Input (An, Bn, SAB, SBA) tf 2.0 ns 90% VM 10% VIH GND
Output (Bn, An) tpLH
VOH VM tpHL VOL
Figure 2
tpLH, tpHL
tr 2.0 ns Input (CAB, CBA)
tf 2.0 ns VIH GND tw (H) tw (L) VIH VM ts (H) th (H) ts (L) th (L) GND
90% VM 10%
Input (An, Bn)
Output (Bn, An) tpHL
VOH VM tpLH VOL
Figure 3
tpLH, tpHL, tw, ts, th
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TC74VCXH16646FT
tr 2.0 ns Output Disable ( OE ) tpLZ Output (An, Bn) Low to Off to Low tpHZ VY VM GND Outputs enabled Outputs disabled Outputs enabled tf 2.0 ns 90% VM 10% tpZL 3.0 V or VCC VM VX tpZH VOL VOH 2.7 V
GND
Output (An, Bn) High to Off to High
Figure 4
tpLZ, tpH, tpZ, tpZH
tf 2.0 ns Input (DIR)
tr 2.0 ns 90% VM 10% GND VIN
3.0 V or VCC Output (An) tpZL Output (An) tpZH tpLZ Output (Bn) VM VX tpZL VY tpHZ tpZH VM GND VOL VOH VM tpLZ VY VM tpHZ GND VX VOL VOH
3.0 V or VCC
Output (Bn)
Figure 5
tpLZ, tpH, tpZ, tpZH
VCC
Symbol 3.3 0.3 V VIH VM VX VY 2.7 V 1.5 V VOL + 0.3 V VOH - 0.3 V
2.5 0.2 V VCC VCC/2 VOL + 0.15 V VOH - 0.15 V
1.8 V VCC VCC/2 VOL + 0.15 V VOH - 0.15 V
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Package Dimensions
Weight: 0.25 g (typ.)
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TC74VCXH16646FT
RESTRICTIONS ON PRODUCT USE
000707EBA
* TOSHIBA is continually working to improve the quality and reliability of its products. Nevertheless, semiconductor devices in general can malfunction or fail due to their inherent electrical sensitivity and vulnerability to physical stress. It is the responsibility of the buyer, when utilizing TOSHIBA products, to comply with the standards of safety in making a safe design for the entire system, and to avoid situations in which a malfunction or failure of such TOSHIBA products could cause loss of human life, bodily injury or damage to property. In developing your designs, please ensure that TOSHIBA products are used within specified operating ranges as set forth in the most recent TOSHIBA products specifications. Also, please keep in mind the precautions and conditions set forth in the "Handling Guide for Semiconductor Devices," or "TOSHIBA Semiconductor Reliability Handbook" etc.. * The TOSHIBA products listed in this document are intended for usage in general electronics applications (computer, personal equipment, office equipment, measuring equipment, industrial robotics, domestic appliances, etc.). These TOSHIBA products are neither intended nor warranted for usage in equipment that requires extraordinarily high quality and/or reliability or a malfunction or failure of which may cause loss of human life or bodily injury ("Unintended Usage"). Unintended Usage include atomic energy control instruments, airplane or spaceship instruments, transportation instruments, traffic signal instruments, combustion control instruments, medical instruments, all types of safety devices, etc.. Unintended Usage of TOSHIBA products listed in this document shall be made at the customer's own risk. * The products described in this document are subject to the foreign exchange and foreign trade laws. * The information contained herein is presented only as a guide for the applications of our products. No responsibility is assumed by TOSHIBA CORPORATION for any infringements of intellectual property or other rights of the third parties which may result from its use. No license is granted by implication or otherwise under any intellectual property or other rights of TOSHIBA CORPORATION or others. * The information contained herein is subject to change without notice.
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