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Features
* Industry-standard Architecture * * * * *
- Emulates Many 20-pin PALs(R) - Low-cost Easy-to-use Software Tools High-speed Electrically-erasable Programmable Logic Devices - 12 ns Maximum Pin-to-pin Delay Low-power - 25 A Standby Power CMOS and TTL Compatible Inputs and Outputs - Input and I/O Pin Keeper Circuits Advanced Flash Technology - Reprogrammable - 100% Tested High-reliability CMOS Process - 20 Year Data Retention - 100 Erase/Write Cycles - 2,000V ESD Protection - 200 mA Latchup Immunity Commercial and Industrial Temperature Ranges Dual-in-line and Surface Mount Packages in Standard Pinouts PCI Compliant
Highperformance EE PLD ATF16V8CZ
* * *
Block Diagram
Pin Configurations
All Pinouts Top View
Pin Name CLK I I/O OE VCC Function Clock Logic Inputs Bidirectional Buffers Output Enable +5V Supply DIP/SOIC
I/CLK I1 I2 I3 I4 I5 I6 I7 I8 GND 1 2 3 4 5 6 7 8 9 10 20 19 18 17 16 15 14 13 12 11 VCC I/O I/O I/O I/O I/O I/O I/O I/O I9/OE
I/CLK I1 I2 I3 I4 I5 I6 I7 I8 GND 1 2 3 4 5 6 7 8 9 10
TSSOP
20 19 18 17 16 15 14 13 12 11 VCC I/O I/O I/O I/O I/O I/O I/O I/O I9/OE
PLCC
I2 I1 I/CLK VCC I/O 3 2 1 20 19 I8 GND I9/OE I/O I/O 9 10 11 12 13 I3 I4 I5 I6 I7 4 5 6 7 8 18 17 16 15 14 I/O I/O I/O I/O I/O
Rev. 0453F-08/99
1
Description
The A TF16V 8CZ is a h igh- per form ance EE CMOS Programmable Logic Device which utilizes Atmel's proven electrically-erasable Flash memory technology. Speeds down to 12 ns and a 25 A edge-sensing power-down mode are offered. All speed ranges are specified over the full 5V 10% range for industrial temperature ranges; 5V 5% for commercial range 5-volt devices. The ATF16V8CZ incorporates a superset of the generic architectures, which allows direct replacement of the 16R8 family and most 20-pin combinatorial PLDs. Eight outputs are each allocated eight product terms. Three different modes of operation, configured automatically with software, allow highly complex logic functions to be realized. The ATF16V8CZ can significantly reduce total system power, thereby enhancing system reliability and reducing power supply costs. When all the inputs and internal nodes are not switching, supply current drops to less than 25 A. This automatic power-down feature allows for power savings in slow clock systems and asynchronous applications. Also, the pin keeper circuits eliminate the need for internal pull-up resistors along with their attendant power consumption.
Absolute Maximum Ratings*
Temperature Under Bias.................................. -40C to +85C Storage Temperature ..................................... -65C to +150C Voltage on Any Pin with Respect to Ground .........................................-2.0V to +7.0V(1) Voltage on Input Pins with Respect to Ground During Programming.....................................-2.0V to +14.0V(1) Programming Voltage with Respect to Ground .......................................-2.0V to +14.0V(1) *NOTICE: Stresses beyond those listed under "Absolute Maximum Ratings" may cause permanent damage to the device. This is a stress rating only and functional operation of the device at these or any other conditions beyond those indicated in the operational sections of this specification is not implied. Exposure to absolute maximum rating conditions for extended periods may affect device reliability.
Note:
1. Minimum voltage is -0.6V DC, which may undershoot to -2.0V for pulses of less than 20 ns. Maximum output pin voltage is VCC + 0.75V DC, which may overshoot to 7.0V for pulses of less than 20 ns.
DC and AC Operating Conditions
Commercial Operating Temperature (Ambient) VCC Power Supply 0C - 70C 5V 5% Industrial -40C - 85C 5V 10%
2
ATF16V8CZ
ATF16V8CZ
DC Characteristics
Symbol IIL IIH ICC1 ICC(1) IOS VIL VIH VOL VOH IOL IOH Note: Parameter Input or I/O Low Leakage Current Input or I/O High Leakage Current Power Supply Current Power Supply Current, Standby Mode Output Short Circuit Current Input Low Voltage Input High Voltage Output Low Current Output High Current VCC = Min, All Outputs IOL = -16 mA VCC = Min IOL = -3.2 mA Com. Output Low Current VCC = Min Ind. Com., Ind. Com, Ind. 2.4 24 12 4 mA Condition 0 VIN VIL(Max) 3.5 VIN VCC 15 MHz, VCC = Max, VIN = 0, VCC, Outputs Open MHz, VCC = Max, VIN = 0, VCC, Outputs Open VOUT = 0.5V; VCC= 5V; TA = 25C Min < VCC < Max -0.5 2.0 Com Ind. Com. Ind 5 5 Min Typ Max -10 10 95 105 25 50 -150 0.8 VCC+1 0.5 Units
A A
mA mA
A A
mA V V V V mA
Output High Current VCC = Min 1. All ICC parameters measured with outputs open.
AC Waveforms(1)
Note:
1. Timing measurement reference is 1.5V. Input AC driving levels are 0.0V and 3.0V, unless otherwise specified.
3
AC Characteristics
-12 Symbol tPD tCF tCO tS tH tP tW Parameter Input or Feedback to Non-registered Output Clock to Feedback Clock to Output Input or Feedback Setup Time Input Hold Time Clock Period Clock Width External Feedback 1/(tS + tCO) FMAX Internal Feedback 1/(tS + tCF) No Feedback 1/(tP) tEA tER tPZX tPXZ Input to Output Enable - Product Term Input to Output Disable - Product Term OE pin to Output Enable OE pin to Output Disable 3 2 2 1.5 2 10 0 12 6 55 62 83 12 15 12 12 3 2 2 1.5 Min 3 Max 12 6 8 2 12 0 16 8 45 50 62 15 15 15 15 Min 3 -15 Max 15 8 10 Units ns ns ns ns ns ns ns MHz MHz MHz ns ns ns ns
4
ATF16V8CZ
ATF16V8CZ
Input Test Waveforms and Measurement Levels Output Test Loads
tR, tF < 1.5 ns (10% to 90%)
Note: Similar devices are tested with slightly different loads. These load differences may affect output signals' delay and slew rate. Atmel devices are tested with sufficient margins to meet compatible devices.
Pin Capacitance
f = 1 MHz, T = 25C(1)
Typ CIN COUT Note: 5 6 Max 8 8 Units pF pF Conditions VIN = 0V VOUT = 0V
1. Typical values for nominal supply voltage. This parameter is only sampled and is not 100% tested.
Power-up Reset
The ATF16V8CZ's registers are designed to reset during power-up. At a point delayed slightly from VCC crossing VRST, all registers will be reset to the low state. As a result, the registered output state will always be high on power-up. This feature is critical for state machine initialization. However, due to the asynchronous nature of reset and the uncertainty of how V CC actually rises in the system, the following conditions are required: 1. The VCC rise must be monotonic, from below 0.7V, 2. After reset occurs, all input and feedback setup times must be met before driving the clock term high, and 3. The signals from which the clock is derived must remain stable during tPR.
Parameter tPR VRST Description Power-up Reset Time Power-up Reset Voltage Typ 600 3.8 Max 1,000 4.5 Units ns V
5
Registered Output Preload
The ATF16V8CZ's registers are provided with circuitry to allow loading of each register with either a high or a low. This feature will simplify testing since any state can be forced into the registers to control test sequencing. A JEDEC file with preload is generated when a source file with vectors is compiled. Once downloaded, the JEDEC file preload sequence will be done automatically by approved programmers.
Input Diagram
Security Fuse Usage
A single fuse is provided to prevent unauthorized copying of the ATF16V8CZ fuse patterns. Once programmed, fuse verify and preload are inhibited. However, the 64-bit User Signature remains accessible. The security fuse should be programmed last, as its effect is immediate.
I/O Diagram
Input and I/O Pin Keeper Circuits
The ATF16V8CZ contains internal input and I/O pin keeper circuits. These circuits allow each ATF16V8CZ pin to hold its previous value even when it is not being driven by an external source or by the device's output buffer. This helps insure that all logic array inputs are at known, valid logic levels. This reduces system power by preventing pins from floating to indeterminate levels. By using pin keeper circuits rather than pull-up resistors, there is no DC current required to hold the pins in either logic state (high or low). These pin keeper circuits are implemented as weak feedback inverters, as shown in the Input Diagram below. These keeper circuits can easily be overdriven by standard TTL- or CMOS-compatible drivers. The typical overdrive current required is 40 A.
Compiler Mode Selection
Registered ABEL, Atmel-ABEL CUPL LOG/iC OrCAD-PLD PLDesigner Tango-PLD Note: P16C8R G16V8MS GAL16V8_R
(1)
Complex P16V8C G16V8MA GAL16V8_C7 "Complex" P16V8C G16V8C
(1)
Simple P16V8AS G16V8AS GAL16V8_C8 "Simple" P16V8C G16V8AS
(1)
Auto Select P16V8 G16V8A GAL16V8 GAL16V8A P16V8A G16V8
"Registered" P16V8R G16V8R
1. Only applicable for version 3.4 or lower.
6
ATF16V8CZ
ATF16V8CZ
7
8
ATF16V8CZ
ATF16V8CZ
9
Ordering Information
tPD (ns) 12 tS (ns) 10 tCO (ns) 8 Ordering Code ATF16V8CZ-12JC ATF16V8CZ-12PC ATF16V8CZ-12SC ATF16V8CZ-12XC ATF16V8CZ-15JC ATF16V8CZ-15PC ATF16V8CZ-15SC ATF16V8CZ-15XC ATF16V8CZ-15JI ATF16V8CZ-15PI ATF16V8CZ-15SI ATF16V8CZ-15XI Package 20J 20P3 20S 20X 20J 20P3 20S 20X 20J 20P3 20S 20X Operation Range Commercial (0C to 70C)
15
12
10
Commercial (0C to 70C)
12
10
Industrial (-40C to 85C)
Using "C" Product for Industrial
To use commercial product for Industrial temperature ranges, down-grade one speed grade from the "I" to the "C" device (7 ns "C" = 10 ns "I") and de-rate power by 30%.
Package Type 20J 20P3 20S 20X 20-lead, Plastic J-leaded Chip Carrier (PLCC) 20-lead, 0.300" Wide, Plastic Dual Inline Package (PDIP) 20-lead, 0.300" Wide, Plastic Gull-wing Small Outline (SOIC) 20-lead, 4.4 mm Wide, Plastic Thin Shrink Small Outline (TSSOP)
10
ATF16V8CZ
Packaging Information
20J, 20-lead, Plastic J-leaded Chip Carrier (PLCC) Dimensions in Inches and (Millimeters)
JEDEC STANDARD MS-018 AA
20P3, 20-lead, 0.300" Wide, Plastic Dual Inline Package (PDIP) Dimensions in Inches and (Millimeters)
JEDEC STANDARD MS-001 AD
1.060(26.9) .980(24.9)
PIN 1
.280(7.11) .240(6.10) .090(2.29) MAX .005(.127) MIN
.900(22.86) REF .210(5.33) MAX SEATING PLANE .150(3.81) .115(2.92) .110(2.79) .090(2.29) .070(1.78) .045(1.13) .325(8.26) .300(7.62) .014(.356) .008(.203) 0 REF 15
.015(.381) MIN .022(.559) .014(.356)
.430(10.92) MAX
20S, 20-lead, 0.300" Wide, Plastic Gull-wing Small Outline (SOIC) Dimensions in Inches and (Millimeters)
20X, 20-lead, 4.4 mm Wide, Plastic Thin Shrink Small Outline (TSSOP) Dimensions in Millimeters and (Inches)*
0.020 (0.508) 0.013 (0.330)
0.30(0.012) 0.18(0.007)
0.299 (7.60) 0.420 (10.7) 0.291 (7.39) 0.393 (9.98) PIN 1
4.48(.176) 6.50(.256) 4.30(.169) 6.25(.246) PIN 1 ID
.050 (1.27) BSC
0.65(.0256) BSC 6.60(.260) 6.40(.252)
0.513 (13.0) 0.497 (12.6)
0.105 (2.67) 0.092 (2.34)
1.10(0.043) MAX
0.012 (0.305) 0.003 (0.076)
0.15(.006) 0.05(.002)
0 REF 8
0.013 (0.330) 0.009 (0.229)
0.18(.007) 0.09(.003) 0 REF 8 0.70(.028) 0.50(.020)
0.035 (0.889) 0.015 (0.381)
*Controlling dimension: millimeters
11
ATF16V8CZ
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Fax-on-Demand
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e-mail
literature@atmel.com
Web Site
http://www.atmel.com
BBS
1-(408) 436-4309
(c) Atmel Corporation 1999. Atmel Corporation makes no warranty for the use of its products, other than those expressly contained in the Company's standard warranty which is detailed in Atmel's Terms and Conditions located on the Company's web site. The Company assumes no responsibility for any errors which may appear in this document, reserves the right to change devices or specifications detailed herein at any time without notice, and does not make any commitment to update the information contained herein. No licenses to patents or other intellectual property of Atmel are granted by the Company in connection with the sale of Atmel products, expressly or by implication. Atmel's products are not authorized for use as critical components in life support devices or systems. Marks bearing
(R)
and/or
TM
are registered trademarks and trademarks of Atmel Corporation. Printed on recycled paper.
0453F-08/99/xM
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